Professional Engineering Firm — page 1 of 4
1,117 businesses with an active “Professional Engineering Firm” credential — administered by the Department of Consumer Protection. State file of October 1, 2026.
| Place | Business | Record | Credentials | Latest expiration |
|---|---|---|---|---|
| Waukesha, WI | 4TH DIMENSION DESIGN INC | 7098FE79A5 | Professional Engineering Firm | Aug 10, 2027 |
| Leesburg, VA | 724 CONSULTING INC | DBFCC743AD | Professional Engineering Firm | Mar 1, 2027 |
| Bridgeport, CT | A DI CESARE ASSOCIATES PC | A73CB7CF85 | Professional Engineering Firm | Apr 10, 2027 |
| Toledo, OH | A&A ENGINEERING, CIVIL AND STRUCTURAL ENGINEERS LTD LLC | 52CF635961 | Professional Engineering Firm | May 10, 2027 |
| Cary, NC | A.T. ENGINEERING SERVICES PLLC | 42E47ADCDE | Professional Engineering Firm | Nov 18, 2027 |
| Cordova, TN | A2H INC | B3BB7639C1 | Professional Engineering Firm | Feb 7, 2027 |
| Storrs, CT | AB3RN DESIGN, LLC | 78232E6417 | Professional Engineering Firm | Sep 14, 2027 |
| Cary, NC | ABB INC | DB32E5C3A9 | Professional Engineering Firm + 1 more | Jul 12, 2027 |
| North Charleston, SC | ABS ENGINEERING INC APPLIED BUILDING SCIENCES INC. | CD79D574FE | Professional Engineering Firm | Jul 19, 2027 |
| New York, NY | ABS ENGINEERING PLLC | 57246B34CF | Professional Engineering Firm | Apr 20, 2027 |
| West Simsbury, CT | ACORN CONSULTING ENGINEERS INC | 41B818EE1E | Professional Engineering Firm | Apr 27, 2027 |
| Lakewood, OH | ADA ARCHITECTS, INC. | 2DB21E11B8 | Professional Engineering Firm + 1 more | Nov 22, 2027 |
| Lincoln, NE | ADVANCED ENGINEERING SYSTEMS, INC. | 54FA7E747D | Professional Engineering Firm | Apr 22, 2027 |
| Los Angeles, CA | AECOM TECHNICAL SERVICES INC | 952924D739 | Professional Engineering Firm | Aug 12, 2027 |
| Rockland, MA | AEGIS ENGINEERING SERVICES INC | 54F2C79F61 | Professional Engineering Firm | Feb 21, 2027 |
| Madison, WI | AFFILIATED ENGINEERS INC | 08FAC8BBDE | Professional Engineering Firm | Jun 13, 2027 |
| Wauwatosa, WI | AG ENGINEERING, LLC | C4F41AADA8 | Professional Engineering Firm | Feb 22, 2027 |
| Middletown, CT | AI ENGINEERS INC | CD55EAB6C9 | Major Contractor + 2 more | Jun 30, 2027 |
| Ellicott City, MD | AIRPORT DESIGN CONSULTANTS INC | 572A207E39 | Professional Engineering Firm | Jul 18, 2027 |
| Berlin, CT | AJP ENGINEERING LLC | F4FBA1C8D8 | Professional Engineering Firm | Feb 15, 2027 |
| New York, NY | AKRF INC | 07AB02BA85 | Professional Engineering Firm | Jun 13, 2027 |
| Glastonbury, CT | ALFRED BENESCH & COMPANY INC | 4CB323640A | Professional Engineering Firm + 2 more | Oct 16, 2027 |
| Columbia, MD | ALLEN & SHARIFF CORPORATION | 4CC6566254 | Professional Engineering Firm | Jun 13, 2027 |
| Reston, VA | ALLIANCE MEP ENGINEERS INC | 2DA55E98A7 | Professional Engineering Firm | Apr 24, 2027 |
| Reston, VA | ALLIANCE STRUCTURAL ENGINEERS INC | 8624D0289C | Professional Engineering Firm | Apr 17, 2027 |
| Westford, MA | ALLIED CONSULTING ENGINEERING SERVICES INC | B595DAF4BB | Professional Engineering Firm | Nov 2, 2027 |
| Exton, PA | ALLIED ENGINEERING & DESIGN USA, P C | CD9D6B9220 | Professional Engineering Firm | Aug 4, 2027 |
| Prince George, BC | ALLNORTH AMERICAS INC | 17149B48B1 | Professional Engineering Firm | Mar 1, 2027 |
| Wallingford, CT | ALRA ENGINEERS P.C | 897CC6143F | Professional Engineering Firm | Oct 6, 2027 |
| Portland, OR | ALTA PLANNING & DESIGN INC | 5BC2BFF93E | Professional Engineering Firm | Aug 4, 2027 |
| Wilton, CT | ALTIERI LLC | EA4AA5E224 | Professional Engineering Firm | Oct 16, 2026 |
| Omaha, NE | ALVINE AND ASSOCIATES INC | 18BB6EB858 | Professional Engineering Firm | Aug 18, 2027 |
| Jupiter, FL | AM STRUCTURES INC | 1F023D4BF2 | Professional Engineering Firm | Aug 30, 2027 |
| Downers Grove, IL | AME ENGINEERING, P.C. | 0639D810CA | Professional Engineering Firm | Sep 9, 2027 |
| Tullahoma, TN | AMENTUM TECHNOLOGY INC | 667FEBAB60 | Professional Engineering Firm | Feb 18, 2027 |
| Des Moines, IA | AMERICAN GROUND SCREW INC | 564BB6C2F2 | Professional Engineering Firm | Aug 17, 2027 |
| Tampa, FL | AMERICAN INFRASTRUCTURE DEVELOPMENT INC | 96C1A34BA2 | Professional Engineering Firm | Jun 2, 2027 |
| Indianapolis, IN | AMERICAN STRUCTUREPOINT INC | A87134B767 | Professional Engineering Firm | Apr 30, 2027 |
| Mesa, AZ | AMERICAN TRAFFIC SOLUTIONS INC VERRA MOBILITY | 6A2483D765 | Professional Engineering Firm | Oct 15, 2026 |
| Philadelphia, PA | AMODU ENGINEERING SOLUTIONS LLC | A08A44C648 | Professional Engineering Firm | Jul 14, 2027 |
| Denver, CO | ANCHOR ENGINEERING INC | D55F867781 | Professional Engineering Firm | Jan 24, 2027 |
| Seattle, WA | ANCHOR QEA ENGINEERING PLLC | EC55E2C463 | Professional Engineering Firm | Oct 7, 2026 |
| Salisbury, MD | ANDREW W BOOTH AND ASSOCIATES INC | FD53F815E7 | Professional Engineering Firm | Nov 15, 2027 |
| South Plainfield, NJ | ANS GEO GROUP PC | 2DB6D13FEA | Professional Engineering Firm | Mar 18, 2027 |
| Shawnee Mission, KS | ANVIL AGRINOMICS, LLC | E4419D1A8B | Professional Engineering Firm | Apr 2, 2027 |
| Rockville, MD | APEX ENGINEERING OF MARYLAND PC | 318FC706F0 | Professional Engineering Firm | Aug 15, 2027 |
| Creve Coeur, MO | APEX STRUCTURAL ENGINEERING, INC. | 3E6E4FC60F | Professional Engineering Firm | Jul 16, 2027 |
| Champaign, IL | APPLIED PAVEMENT TECHNOLOGY INC | D744337F88 | Professional Engineering Firm | Nov 14, 2026 |
| Albuquerque, NM | APPLIED RESEARCH ASSOCIATES, INC. | 9092D32CCE | Professional Engineering Firm | Jan 8, 2027 |
| Baton Rouge, LA | APTIM CONNECTICUT INC | CBB18EFE0E | Professional Engineering Firm | Oct 16, 2026 |
| Chandler, AZ | AQUINAS ENGINEERING PLLC | A78990AC1A | Professional Engineering Firm | Oct 29, 2027 |
| Chelmsford, MA | ARBOTA ENGINEERING, PLLC | 550A80B818 | Professional Engineering Firm | Aug 8, 2027 |
| Los Angeles, CA | ARCADIS APM GROUP INC | 5FC223EA9F | Professional Engineering Firm | Feb 9, 2027 |
| Highlands Ranch, CO | ARCADIS U.S. INC | 087D7828C2 | Professional Engineering Firm | Dec 12, 2026 |
| Brookfield, CT | ARCHER ENGINEEERING COMPANY P.C. | 383BDF5E4A | Professional Engineering Firm | Oct 18, 2027 |
| Denver, CO | ARCHITECTURAL ENGINEERING DESIGN GROUP INC | DBCC780E1E | Professional Engineering Firm | Apr 29, 2027 |
| Scottsdale, AZ | ARDEBILI ENGINEERING LLC | 970FDEF729 | Professional Engineering Firm | Jun 28, 2027 |
| Chadds Ford, PA | ARORA ENGINEERING GROUP, P.A. | DDC1FEC575 | Professional Engineering Firm | Feb 6, 2027 |
| Chadds Ford, PA | ARORA ENGINEERS LLC | 71AAE89880 | Professional Engineering Firm | Jan 22, 2027 |
| Brookfield, CT | ARTEL ENGINEERING GROUP LLC | D8FDD5C7F4 | Professional Engineering Firm | Jun 12, 2027 |
| New Milford, CT | ARTHUR H HOWLAND & ASSOCIATES PC | D1333897FC | Professional Engineering Firm | Jan 24, 2027 |
| New York, NY | ARUP US INC | F7C4A90258 | Professional Engineering Firm | Feb 9, 2027 |
| New York, NY | ARUP USA INC | B6B3DCB2AA | Professional Engineering Firm | Apr 29, 2027 |
| Andover, KS | ASM ENGINEERING CONSULTANTS LLC | 0757CF4A2A | Professional Engineering Firm | Jun 26, 2027 |
| Horsham, PA | ASPLUNDH ENGINEERING ASSOCIATES, P. C. | F825E4907A | Professional Engineering Firm | Aug 11, 2027 |
| Wethersfield, CT | ATANE ENGINEERS PC | 280FACE6E3 | Major Contractor + 1 more | Jun 30, 2027 |
| Denver, CO | ATC GROUP SERVICES CT INC | AFBA164ADC | Professional Engineering Firm | Feb 7, 2027 |
| Ambler, PA | ATERRA SOLUTIONS, LLC | 8DA0FFE224 | Professional Engineering Firm | Aug 12, 2027 |
| Tampa, FL | ATKINSREALIS USA INC | 2B7DDEAB66 | Professional Engineering Firm | Nov 18, 2026 |
| Canton, NY | ATL ENGINEERING PC | 1C669AFFCD | Professional Engineering Firm | Nov 17, 2027 |
| Nutley, NJ | ATLANTIC PROFESSIONAL SERVICES, INC. | DE033EA5E6 | Professional Engineering Firm | Sep 2, 2027 |
| Santa Cruz, CA | ATLAS GEOTECHNICAL CORPORATION | 0EC11D3761 | Professional Engineering Firm | Oct 6, 2027 |
| Marietta, GA | ATS ENGINEERING LLC | 23D16468E0 | Professional Engineering Firm | Jun 16, 2027 |
| Southfield, MI | ATWELL OF CONNECTICUT LLC | 1C217110ED | Professional Engineering Firm | Aug 18, 2027 |
| North Kingstown, RI | AUGUST CIVIL DESIGN LLC | 6BDB846FC4 | Professional Engineering Firm | Sep 6, 2027 |
| Plymouth, MI | AV ENGINEERING SERVICES PLLC | 47B77789CF | Professional Engineering Firm | Aug 13, 2027 |
| Piscataway, NJ | AVOCA ENGINEERING & ARCHITECTURE, LLC | BAD8DBDBD6 | Professional Engineering Firm | Apr 16, 2027 |
| Sarasota, FL | AXIS STRUCTURAL GROUP, INC SNELL ENGINEERING CONSULTANTS | F2245D403E | Professional Engineering Firm | Sep 25, 2027 |
| Eau Claire, WI | AYRES ASSOCIATES INC | CF0E9C06E6 | Professional Engineering Firm | Dec 1, 2026 |
| Tulsa, OK | B & T ENGINEERING INC | 4385A4987F | Professional Engineering Firm | Feb 10, 2027 |
| Westport, CT | B-CUBED ENGINEERING LLC | 927F8BB730 | Professional Engineering Firm | Apr 12, 2027 |
| Stamford, CT | B2R CONSULTING ENGINEERS PLLC | F12CE78BC5 | Professional Engineering Firm | Jun 15, 2027 |
| Marshfield, MA | BAE FORENSICS LLC | 0DE980FBC9 | Professional Engineering Firm | Feb 28, 2027 |
| Appleton, WI | BAISCH ENGINEERING INC | 470A8FB518 | Professional Engineering Firm | Dec 26, 2026 |
| Boston, MA | BARD RAO & ATHANAS CONSULTING ENGINEERS LLC | 9BCBF81D4D | Professional Engineering Firm | Apr 20, 2027 |
| Nashville, TN | BARGE DESIGN SOLUTIONS INC | 73F10CCA11 | Professional Engineering Firm | Jun 12, 2027 |
| Minneapolis, MN | BARR ENGINEERING CO | 310B496B8D | Professional Engineering Firm | Aug 18, 2027 |
| Topeka, KS | BARTLETT & WEST | 11A4108955 | Professional Engineering Firm | Mar 30, 2027 |
| Liverpool, NY | BARTON & LOGUIDICE ENGINEERS LLC | 3321CA1386 | Professional Engineering Firm | Apr 29, 2027 |
| Farmington, CT | BASELINE 3D ENGINEERING, LLC | 974FEDB181 | Professional Engineering Firm | Aug 5, 2027 |
| Dallas, TX | BASHARKHAH ENGINEERING INC | DC44B755EB | Professional Engineering Firm | Oct 17, 2026 |
| Rocky Hill, CT | BASLEE ENGINEERING SOLUTIONS INC | CFBB549543 | Professional Engineering Firm | Dec 8, 2026 |
| Norwood, MA | BAYSTATE ENVIRONMENTAL CNSLTS INC | EAC89CB5ED | Professional Engineering Firm | Dec 11, 2026 |
| Phoenix, AZ | BBR FIRE & SAFETY ENGINEERING P C | DEE0410BC8 | Professional Engineering Firm | Dec 8, 2026 |
| Shawnee, KS | BC ENGINEERS INC | 0C02D76237 | Professional Engineering Firm | Oct 16, 2027 |
| Farmingdale, NJ | BD ENGINEERING LLC | A098C41C31 | Professional Engineering Firm | Oct 17, 2026 |
| Wormleysburg, PA | BE STRUCTURAL PC | 9682D4F2D3 | Professional Engineering Firm | Jan 4, 2027 |
| Mount Laurel, NJ | BEACH ENGINEERING ASSOCIATES LLC | 5FDFFA7E6D | Professional Engineering Firm | Jan 9, 2027 |
| Duluth, GA | BEACH ENGINEERING SOLUTIONS TEAM, INC | C9510F9B87 | Professional Engineering Firm | May 6, 2027 |
| Southborough, MA | BEALS AND THOMAS INC | CD20FC43C7 | Landscape Architecture Firm + 2 more | Jul 31, 2027 |
| Point Pleasant Beach, NJ | BECHT ENGINEERING BT INC | 9BD0C65875 | Professional Engineering Firm | Jun 16, 2027 |
| Farmington, CT | BEMIS ASSOCIATES LLC | F1E329472C | Professional Engineering Firm | Jul 15, 2027 |
| Rogers, AR | BENCHMARK GROUP ALLIANCE PLLC | 4622D5B8C7 | Professional Engineering Firm | Apr 16, 2027 |
| Atlanta, GA | BENNETT AND PLESS INC | 75A65D5473 | Professional Engineering Firm | Feb 18, 2027 |
| Conshohocken, PA | BERGMANN ENGINEERING ASSOCIATES INC | 056DF6BF6B | Professional Engineering Firm + 1 more | Jul 14, 2027 |
| Northampton, MA | BERKSHIRE DESIGN GROUP INC (THE) | E9C5C332EB | Professional Engineering Firm | Oct 14, 2027 |
| Berlin, CT | BERLIN STEEL CONSTRUCTION CO (THE) | 111F732A6A | Major Contractor + 1 more | Jun 30, 2027 |
| Pineville, LA | BETA ENGINEERING CORP OF OHIO | 8854C90020 | Professional Engineering Firm | Oct 12, 2027 |
| Lincoln, RI | BETA GROUP INC | 7B56528679 | Land Surveyor Firm + 2 more | Aug 25, 2027 |
| Golden, CO | BGC ENGINEERING USA INC. | 3C2D91B4AE | Professional Engineering Firm | Mar 27, 2027 |
| Baltimore, MD | BIOHABITATS INC | E35FD52A25 | Landscape Architecture Firm + 1 more | Jul 31, 2027 |
| Stamford, CT | BIRDWOOD ENGINEERING INC | 3B6620728F | Professional Engineering Firm | Feb 15, 2027 |
| Overland Park, KS | BLACK & VEATCH CORPORATION | 2B12CCB8F6 | Professional Engineering Firm | Mar 9, 2027 |
| Knoxville, TN | BLAIR COMPANY IMAGE GROUP | 5559A3D151 | Professional Engineering Firm | Jul 21, 2027 |
| Branford, CT | BLAKESLEE ARPAIA CHAPMAN, INC | 2E32DDE28F | Demolition Contractor + 2 more | Sep 30, 2027 |
| Milwaukee, WI | BLOOM COMPANIES LLC | C31010FE03 | Professional Engineering Firm | Jun 16, 2027 |
| Teaneck, NJ | BLUESHORE ENGINEERING LLC | B3728F948B | Professional Engineering Firm | Jan 12, 2027 |
| Minneapolis, MN | BOARMAN KROOS VOGEL GROUP INC | D93F766F5B | Professional Engineering Firm | Oct 17, 2027 |
| Warren, NJ | BOHLER ENGINEERING MA LLC | C4CB8DB128 | Professional Engineering Firm | Oct 14, 2027 |
| Warren, NJ | BOHLER ENGINEERING NJ LLC | E0E560E55A | Professional Engineering Firm | Jan 13, 2027 |
| West Hartford, CT | BOHLER, LLC | FAA324879F | Landscape Architecture Firm + 1 more | Jul 31, 2027 |
| Torrington, CT | BORGHESI BUILDING & COMPANY INC | B5863A2C29 | Professional Engineering Firm | Aug 4, 2027 |
| S Hackensack, NJ | BOSWELL INC | 053B6C8BC7 | Professional Engineering Firm | Apr 12, 2027 |
| Auburn, IN | BOWERS ENGINEERING SERVICES INC | 88A750499A | Professional Engineering Firm | Jul 17, 2027 |
| Reston, VA | BOWMAN CONSULTING GROUP LTD | 16B0A1CFD8 | Professional Engineering Firm | Apr 24, 2027 |
| Midlothian, VA | BRANDT ENGINEERING INC | 85485A63AF | Professional Engineering Firm | Jul 21, 2027 |
| Minneapolis, MN | BRAUN INTERTEC CORPORATION | E308EF85D4 | Professional Engineering Firm | Jun 12, 2027 |
| Dallas, TX | BROCKETTE/DAVIS/DRAKE INC | 1583EFB999 | Professional Engineering Firm | Jan 14, 2027 |
| Atlanta, GA | BROWDER & LEGUIZAMON AND ASSOCIATES INC | 4255E7F6A2 | Professional Engineering Firm | Dec 8, 2026 |
| Walnut Creek, CA | BROWN AND CALDWELL | BD248DD291 | Professional Engineering Firm | Nov 30, 2026 |
| Melbourne, FL | BRPH ARCHITECTS ENGINEERS, INC. | C6AEEECCA2 | Professional Engineering Firm | Dec 27, 2026 |
| East Windsor, NJ | BRUNSWICK ENGINEERING LLC | 2A80E273F1 | Professional Engineering Firm | Aug 21, 2027 |
| Boston, MA | BRYANT ASSOCIATES INC | 1BCD3EC851 | Land Surveyor Firm + 1 more | Jun 9, 2027 |
| Glastonbury, CT | BSC GROUP INC | FE2F4EF40B | Land Surveyor Firm + 2 more | Sep 23, 2027 |
| Lenexa, KS | BSE STRUCTURAL ENGINEERS, LLC | 549B63737C | Professional Engineering Firm | Jul 19, 2027 |
| Cincinnati, OH | BSI ENGINEERING LLC | D4ACB32974 | Professional Engineering Firm | Feb 27, 2027 |
| New London, CT | BUBARIS TRAFFIC ASSOCIATES INC | 594EFCB0B3 | Professional Engineering Firm | Mar 15, 2027 |
| Norwood, NJ | BUCK SEIFERT & JOST INC | 5C9D96C0E9 | Professional Engineering Firm | Jun 16, 2027 |
| Arlington Heights, IL | BUILDING TECHNOLOGY CONSULTANTS INC | ADE33147A0 | Professional Engineering Firm | Feb 6, 2027 |
| Kansas City, MO | BURNS & MCDONNELL CONSULTANTS INC | 1432D1B107 | Professional Engineering Firm | Apr 28, 2027 |
| Kansas City, MO | BURNS & MCDONNELL ENGR CO INC | 972B870C03 | Major Contractor + 1 more | Jun 30, 2027 |
| Philadelphia, PA | BURNS ENGINEERING INC | 878D972E15 | Professional Engineering Firm | Jan 18, 2027 |
| New York, NY | BURO HAPPOLD CONSULTING ENGINEERS PC | C5AAF021CD | Professional Engineering Firm | Oct 6, 2027 |
| Bloomfield, CT | BVH INTEGRATED SERVICES INC | 2B36F1B82B | Professional Engineering Firm | Nov 17, 2026 |
| Boston, MA | C & C CONSULTING ENGINEERS LLC | 79AED69575 | Professional Engineering Firm | May 8, 2027 |
| Syracuse, NY | C & S ENGINEERS INC | 74C0A25D9C | Professional Engineering Firm | Jan 14, 2027 |
| Harriman, NY | C V ASSOCIATES NY PE LS P C | 7370FF0062 | Professional Engineering Firm | Nov 19, 2026 |
| Shelton, CT | C&K ENGINEERING, LLC | 5E82BD2BE4 | Professional Engineering Firm | Jan 11, 2027 |
| Portsmouth, RI | CAMERA-O'NEILL CONSULTING ENGINEERS, INC | 2A4472AD58 | Professional Engineering Firm | Oct 15, 2027 |
| Denver, CO | CAMPOS EPC ENGINEERING EAST PLLC | 6DC7E20152 | Professional Engineering Firm | Apr 20, 2027 |
| Scituate, MA | CANNING ENGINEERS, INC. | 7023FDBBDE | Professional Engineering Firm | Mar 20, 2027 |
| Salt Lake City, UT | CANYONS STRUCTURAL INC | 87347B14DE | Professional Engineering Firm | Feb 11, 2027 |
| Eliot, ME | CAPE FORENSIC LLC | 6944AEAF94 | Professional Engineering Firm | Sep 24, 2027 |
| Idaho Falls, ID | CAPIT PLLC | 5BF801E091 | Professional Engineering Firm | Jan 26, 2027 |
| Madison, WI | CAPITAL RAILROAD SERVICES INC | C00607640E | Professional Engineering Firm | Jul 19, 2027 |
| Walnut Creek, CA | CAROLLO ENGINEERS INC | ADD87734CF | Professional Engineering Firm | Jul 21, 2027 |
| Tempe, AZ | CARUSO TURLEY SCOTT INC | 0EBD35D6BC | Professional Engineering Firm | Aug 11, 2027 |
| Groton, CT | CASCADE ENGINEERING CONSULTANTS LLC | 87C42202BD | Professional Engineering Firm | Apr 16, 2027 |
| Hauppauge, NY | CASHIN TECHNICAL SERVICES INC | D31B9DA1EA | Professional Engineering Firm | Oct 14, 2027 |
| Gainesville, VA | CATES ENGINEERING LTD | 9D650817D2 | Professional Engineering Firm | Jun 14, 2027 |
| Larchmont, NY | CATIZONE ENGINEERING P C | D556270455 | Professional Engineering Firm | Jul 31, 2027 |
| The Woodlands, TX | CB&I CONNECTICUT INC | 617C9B1393 | Professional Engineering Firm | Oct 16, 2027 |
| Burlington, MA | CCA CONSULTING AND ENGINEERING, P.C. | 5942860F73 | Professional Engineering Firm | Mar 22, 2027 |
| Houston, TX | CCI & ASSOCIATES INC | E35FE84543 | Professional Engineering Firm | Mar 24, 2027 |
| Iron Mountain, MI | CCI SYSTEMS INC | 35D6B666BD | Professional Engineering Firm | Apr 22, 2027 |
| Boston, MA | CDM SMITH INC | 48425CD5E8 | Landscape Architecture Firm + 1 more | Jul 31, 2027 |
| Warrendale, PA | CDR MAGUIRE INC | FBE4D5C88B | Professional Engineering Firm | Jul 22, 2027 |
| Framingham, MA | CDW CONSULTANTS INC | 0392B822EF | Professional Engineering Firm | Nov 28, 2026 |
| Hamden, CT | CEH ENGINEERING AND CONSULTING | 11F400228E | Professional Engineering Firm | Oct 10, 2027 |
| Bentonville, AR | CEI ENGINEERING ASSOCIATES INC | 1EC8A027D0 | Professional Engineering Firm + 1 more | Oct 5, 2027 |
| Branford, CT | CENTEK ENGINEERING INC | 6C413993B9 | Professional Engineering Firm | Apr 17, 2027 |
| Vineyard, UT | CENTERLINE STRUCTURAL ENGINEERING PLLC | 551E99931C | Professional Engineering Firm | Dec 27, 2026 |
| Garrett, IN | CENTURION INDUSTRIES INC | 5597969A98 | Professional Engineering Firm + 1 more | Oct 8, 2027 |
| Mission, KS | CEO STRUCTURAL ENGINEERS INC | 75EFFA6680 | Professional Engineering Firm | Oct 5, 2027 |
| Miamisburg, OH | CESO INC | 0C3F6B3D84 | Professional Engineering Firm + 1 more | Oct 7, 2027 |
| Greenwood Village, CO | CH2M HILL ENGINEERS INC | 084ECEFAE0 | Major Contractor + 1 more | Jun 30, 2027 |
| Englewood, CO | CH2M HILL INC | 12967E62AA | Professional Engineering Firm | Apr 17, 2027 |
| Louisville, KY | CHEMICAL & INDUSTRIAL ENGINEERING, INC. | CB4F2FB1F4 | Professional Engineering Firm | Mar 30, 2027 |
| Portsmouth, NH | CHI ENGINEERING SERVICES INC | 3DBF569E80 | Professional Engineering Firm | Jul 16, 2027 |
| Mobile, AL | CIMCO REFRIGERATION INC. | D4DF59A822 | Professional Engineering Firm | Mar 20, 2027 |
| Columbia, CT | CIRRUS STRUCTURAL ENGINEERING LLC | 49EFF44EC0 | Professional Engineering Firm | Nov 30, 2026 |
| Moon Township, PA | CIVIL & ENVIRONMENTAL CONSULTANTS, INC. | B44BF821D6 | Landscape Architecture Firm + 1 more | Jul 31, 2027 |
| Woodbury, CT | CIVIL 1 INC | 1CDE2A7123 | Professional Engineering Firm | Jan 18, 2027 |
| North Andover, MA | CIVIL DESIGN GROUP LLC | 1B3859DE01 | Professional Engineering Firm | Apr 16, 2027 |
| Coraopolis, PA | CJL CONSULTING ENGINEERS LLC | 61AB3A4AD1 | Professional Engineering Firm | Aug 14, 2027 |
| Media, PA | CKS STRUCTURES, INC. | 9EF60380E1 | Professional Engineering Firm | Jan 19, 2027 |
| Norwich, CT | CLA ENGINEERS INC | 3DF882308A | Professional Engineering Firm | Sep 21, 2027 |
| Newtown, CT | CLARIS CONSTRUCTION INC | C2C5A8C559 | Professional Engineering Firm + 3 more | Oct 6, 2027 |
| Lincoln, NE | CLARK & ENERSEN, INC. | 3A7E2B6F82 | Professional Engineering Firm | Jul 19, 2027 |
| West Chester, OH | CLARK DIETRICH ENGINEERING DESIGN INC | DCA277A7B2 | Professional Engineering Firm | Jul 19, 2027 |
| West Chester, OH | CLARK REDER ENGINEERING INC | 890BD9AE0E | Professional Engineering Firm | Jul 14, 2027 |
| Kansas City, MO | CLARK RICHARDSON AND BISKUP | 2844D21506 | Professional Engineering Firm | Mar 11, 2027 |
| Saint Louis, MO | CLAYCO DESIGN & ENGINEERING P.C. | 35B6D9575E | Professional Engineering Firm | Jul 25, 2027 |
| Tolland, CT | CLEARBROOK ENERGY SOLUTIONS LLC | 1F2E97451D | Professional Engineering Firm | Apr 27, 2027 |
| Deforest, WI | CMG & ASSOCIATES INC | 50891A45B1 | Professional Engineering Firm | Aug 19, 2027 |
| Prospect, KY | CMTA INC | 69CD5913AC | Professional Engineering Firm | Oct 5, 2027 |
| Freeport, ME | COAST TO COAST ENGINEERING SERVICES INC | ECEB7EADC9 | Professional Engineering Firm | Aug 11, 2027 |
| Saint Louis, MO | CODE CONSULTANTS INC | 8E64DCE10E | Professional Engineering Firm | Aug 18, 2027 |
| Southborough, MA | CODE RED CONSULTANTS, LLC | CBC33CB27B | Professional Engineering Firm | Feb 1, 2027 |
| West Haven, CT | CODIO ENGINEERING LLC | BF527647BC | Professional Engineering Firm | Jan 19, 2027 |
| Seattle, WA | COFFMAN ENGINEERS INC | D260B49696 | Professional Engineering Firm | Nov 29, 2027 |
| Portland, ME | COLBY COMPANY LLC | 4E66AE007C | Professional Engineering Firm | Aug 10, 2027 |
| Saint Louis, MO | COLE DESIGN INC | 9E759FE618 | Professional Engineering Firm | Oct 18, 2027 |
| Torrington, CT | COLLECTIVE DESIGN ASSOCIATES INC | E6AF96FA69 | Professional Engineering Firm | Jun 13, 2027 |
| Chicago, IL | COLLINS ENGINEERS INC | E7D93F3D54 | Professional Engineering Firm | Feb 26, 2027 |
| Orem, UT | COMPLETE SOLAR INC SUNPOWER | D1E258CBDD | Professional Engineering Firm + 1 more | Sep 17, 2027 |
| Indianapolis, IN | COMPLETE STRUCTURAL CONSULTING INC | 60D0DB1141 | Professional Engineering Firm | Nov 15, 2026 |
| Merrimack, NH | COMPREHENSIVE ENVIRONMENTAL INC | 525C581340 | Professional Engineering Firm | Nov 17, 2026 |
| Milwaukee, WI | COMPUTERIZED STRUCTURAL DESIGN S C | D9D72FD035 | Professional Engineering Firm | Jun 18, 2027 |
| Voorhees, NJ | CONCORD ENGINEERING GROUP INC | 3678B5E008 | Professional Engineering Firm | Oct 6, 2027 |
| Mountain Top, PA | CONCRETE ENGINEERING SOLUTIONS LLC | FA5DF8DA05 | Professional Engineering Firm | Nov 19, 2027 |
| Brookfield, CT | CONLON ENGINEERING LLC | A73BCB3352 | Professional Engineering Firm | Jan 24, 2027 |
| Linden, MI | CONN ENGINEERING CONSULTANTS INC | 535F65CCCF | Professional Engineering Firm | Mar 14, 2027 |
| Dallas, TX | CONNECT STRUCTURAL ENGINEERING INC | D5E9B763D2 | Professional Engineering Firm | Apr 23, 2027 |
| Clinton, CT | CONNECTICUT WATER COMPANY (THE) | F3FEFA5C40 | Professional Engineering Firm | Nov 13, 2026 |
| Rocky Hill, CT | CONSOR NORTH AMERICA INC | C1C4BFD7E5 | Professional Engineering Firm | Jan 12, 2027 |
| Mt. Prospect, IL | CONSTRUCTION TECHNOLOGY LABORATORIES INC | 09619A0F55 | Professional Engineering Firm | Jun 10, 2027 |
| Middletown, CT | CONSULTING ENGINEERING SERVICES INC | 15C89D95B1 | Professional Engineering Firm | Sep 27, 2027 |
| West Chester, OH | CONTECH ENGINEERING, PROFESSIONAL CORPORATION | E1BE5D5ADB | Professional Engineering Firm | Jul 16, 2027 |
| Rockland, MA | CONTROLPOINT TECHNOLOGIES INC | 036426686F | Professional Engineering Firm | Oct 17, 2027 |
| Marietta, GA | CONVERGE ENGINEERING, LLC | 56DCD64878 | Professional Engineering Firm | Apr 20, 2027 |
| Alpharetta, GA | CONWAY & OWEN INC | 7FB04A8295 | Professional Engineering Firm | Apr 11, 2027 |
| Greenfield, WI | COORDINATED POWER SYSTEMS INC | FF558C6ACB | Professional Engineering Firm | Nov 17, 2027 |
| Maynard, MA | COPELAND BUILDING ENVELOPE CONSULTING INC | 7143BEC866 | Professional Engineering Firm | Apr 24, 2027 |
| Williamsville, NY | CORE ENVIRONMENTAL CONSULTANTS INC | 74AFBF637A | Professional Engineering Firm | Feb 6, 2027 |
| Duluth, GA | CORESTATES INC | 517FC9C6B9 | Professional Engineering Firm | Apr 12, 2027 |
| Allentown, PA | CORNERSTONE CONSULTING ENGINEERS & DESIGN SERVICES INC | F065B15F95 | Professional Engineering Firm | Mar 23, 2027 |
| Worcester, MA | CORNERSTONE ENERGY SERVICES, INC. | 8816F9623C | Professional Engineering Firm | Sep 17, 2027 |
| Middletown, NY | CORNERSTONE ENGINEERING GROUP LLC | DB2425EE36 | Professional Engineering Firm | Oct 16, 2026 |
| Maryville, TN | CORNERSTONE ENGINEERING INC | DEB4A6E900 | Professional Engineering Firm | Jul 16, 2027 |
| Grand Rapids, MI | CORNERSTONE STRUCTURAL ENGINEERING, INC | 826BE3A7DB | Professional Engineering Firm | Oct 10, 2027 |
| Centerbrook, CT | CORROSION PROBE INC | BD169A6D31 | Professional Engineering Firm | Jun 12, 2027 |
| Chesterfield, MO | CORRPRO COMPANIES INC | ACC019D093 | Professional Engineering Firm | Nov 16, 2026 |
| New York, NY | COSENTINI ASSOCIATES INC | 2221CF9089 | Professional Engineering Firm | Dec 28, 2026 |
| Saint Louis, MO | COUNSILMAN/HUNSAKER & ASSOCIATES INC | C6FC538C0F | Professional Engineering Firm | Oct 6, 2027 |
| Oakland, CA | COWI NORTH AMERICA INC | A8DF29AB2A | Professional Engineering Firm | Feb 10, 2027 |
| Fairport, NY | CPL ARCHITECTS, ENGINEERS AND LANDSCAPE ARCHITECT, D.P.C. INC | C80012FED7 | Landscape Architecture Firm + 2 more | Jul 31, 2027 |
| New York, NY | CRAFT ENGINEERING STUDIO PLLC | C92B736C43 | Professional Engineering Firm | Dec 4, 2026 |
| Springfield, IL | CRAWFORD MURPHY & TILLY INC | 9163B67DE9 | Professional Engineering Firm | Jul 29, 2027 |
| Cranston, RI | CREATIVE ENVIRONMENT CORP | B50B9B95C0 | Professional Engineering Firm | Dec 4, 2026 |
| Shelburne Falls, MA | CROSSROADS ENGINEERING, LLC | 16F3183D7A | Professional Engineering Firm | Oct 13, 2026 |
| Canonsburg, PA | CROWN CASTLE USA INC | CEDDC23739 | Professional Engineering Firm | Aug 15, 2027 |
| New York, NY | CSA CENTRAL INC | D4E11110F5 | Professional Engineering Firm | Nov 30, 2027 |
| Lakewood, CO | CT ENGINEERING GROUP, P.C. | 9F429C4A07 | Professional Engineering Firm | Apr 28, 2027 |
| Maitland, FL | CUHACI & PETERSON ARCHITECTS ENGINEERS PLANNERS INC | 6EC694123F | Professional Engineering Firm | Apr 24, 2027 |
| White Plains, NY | CUONO ENGINEERING LLC | 68F126E917 | Professional Engineering Firm | Jan 15, 2027 |
| Dallas, TX | CURTAIN WALL DESIGN AND CONSULTING INC | 61B0858476 | Professional Engineering Firm | Apr 14, 2027 |
| Tulsa, OK | CYNTERGY ENGINEERING LLC | 3FA0BC7ECF | Professional Engineering Firm | Jul 16, 2027 |
| Cardiff, CA | D H CHARLES ENGINEERING INC | 72DB232B13 | Professional Engineering Firm | Jan 23, 2027 |
| Woodbury, NY | D&B ENGINEERS LLC | 7B14DD029B | Professional Engineering Firm | Oct 18, 2026 |
| Seattle, WA | D'AMATO CONVERSANO, INC., P.C. | 277B4FD815 | Professional Engineering Firm | Apr 6, 2027 |
| Methuen, MA | DAIGLE ENGINEERS INC | B312C992AC | Professional Engineering Firm | Jul 14, 2027 |
| Mamaroneck, NY | DANIEL S NATCHEZ & ASSOCIATES INC | 676756F2C7 | Professional Engineering Firm | Feb 9, 2027 |
| Apollo Beach, FL | DANSCO CONSULTING, PA | D5CA41D038 | Professional Engineering Firm | Apr 22, 2027 |
| Wheat Ridge, CO | DARYEL ANN LLC D/B/A DH GLABE & ASSOCIATES | 96737E9E96 | Professional Engineering Firm | Dec 3, 2026 |
| Houston, TX | DASHIELL CORPORATION | 1885564528 | Professional Engineering Firm | Jun 8, 2027 |
| American Fork, UT | DAVID KEITH ENGINEERING PLLC | 1F9F367E7D | Professional Engineering Firm | Apr 4, 2027 |
| Saint Louis, MO | DAVID MASON & ASSOCIATES INC | 12573FAE73 | Professional Engineering Firm | Jul 19, 2027 |
| Worcester, MA | DAVIS-ULMER SPRINKLER COMPANY INC | 74B9A72652 | Professional Engineering Firm | Aug 12, 2027 |
| Houston, TX | DBR ENGINEERING CONSULTANTS INC | AE9983DCAC | Professional Engineering Firm | Jul 11, 2027 |
| Fort Wayne, IN | DCI DESIGN COLLABORATIVE INC | 1B335881AD | Professional Engineering Firm + 1 more | Aug 18, 2027 |
| San Francisco, CA | DEGENKOLB ENGINEERS INC. | B3D2FA605D | Professional Engineering Firm | Jan 6, 2027 |
| Bedford, NH | DENOYA STRUCTURAL ENGINEERING, LLC | A5AEA4A556 | Professional Engineering Firm | Mar 11, 2027 |
| Miamisburg, OH | DESIGN FORUM ENGINEERING INC | 0A407A6EB5 | Professional Engineering Firm | May 14, 2027 |
| Norwich, CT | DESIGN LEARNED INC | 4B5982A3B3 | Professional Engineering Firm | Sep 10, 2027 |
| New York, NY | DESIMONE CONSULTING ENGINEERING D P C | 2EEFEF03AF | Professional Engineering Firm | Apr 20, 2027 |
| New York, NY | DESMAN INC | B071A2F7B8 | Architecture Firm + 1 more | Jul 31, 2027 |
| Fairfield, CT | DESTEFANO & CHAMBERLAIN INC | A0A7508723 | Professional Engineering Firm | Jun 9, 2027 |
| Greenville, SC | DEVITA & ASSOCIATES INC | 1E237C05EA | Professional Engineering Firm | Apr 23, 2027 |
| Fairfax, VA | DEWBERRY ENGINEERS INC | 84BCC8D36C | Professional Engineering Firm | May 25, 2027 |
| Irving, TX | DFW CONSULTING GROUP, INC. | 51A43198E5 | Professional Engineering Firm | Apr 7, 2027 |
| Springfield, MA | DG ENGINEERING & ARCHITECTURE, P.C. | 670429E612 | Architecture Firm + 1 more | Jul 31, 2027 |
| Pittsburgh, PA | DGI-MENARD INC MENARD USA | B56491BFBF | Major Contractor + 1 more | Jun 30, 2027 |
| Kansas City, MO | DIALECTIC INC | 9455543A91 | Professional Engineering Firm | Apr 16, 2027 |
| Cleveland, OH | DIAMOND Z ENGINEERING, INC. | D5E25801B4 | Professional Engineering Firm | Mar 17, 2027 |
| Monroe, CT | DIBLASI ASSOCIATES PC | 6BECCA00A2 | Professional Engineering Firm | Nov 13, 2027 |
| Stamford, CT | DIMARZO SITE ENGINEERING INC | C8E3801E45 | Professional Engineering Firm | Jul 22, 2027 |
| Derby, CT | DIMEO ENGINEERING | 653CC15CBA | Professional Engineering Firm | Mar 18, 2027 |
| Cranston, RI | DIPRETE ENGINEERING ASSOCIATES INC | 6BC65546FE | Professional Engineering Firm + 1 more | Jul 21, 2027 |
| Pineville, LA | DIS-TRAN PACKAGED SUBSTATIONS ENGINEERING CORPORATION | 9DABE6EE4A | Professional Engineering Firm | Jun 13, 2027 |
| Sarasota, FL | DIVERSIFIED TECHNOLOGY CONSULTANTS INC | C256D70604 | Professional Engineering Firm | Dec 13, 2026 |
| Roxbury, CT | DIVESTA CIVIL ENGINEERING LLC | 459FC5ECC7 | Professional Engineering Firm | Nov 18, 2027 |
| Schenectady, NY | DJL ENGINEERING SERVICES PLLC | 832C2A92C6 | Professional Engineering Firm | Jan 3, 2027 |
| Neptune, NJ | DLB ASSOCIATES CONSULTING ENGINEERS DE, P.A. P.C. | 93FDCAEBD5 | Professional Engineering Firm | Sep 30, 2027 |
| Mystic, CT | DLC ENGINEERING SERVICES LLC | 2A4FD7FE58 | Professional Engineering Firm | Jul 16, 2027 |
| Bethany, CT | DM DI GANGI CONSULTING ENGINEER LLC | 007AD2255B | Professional Engineering Firm | Oct 31, 2027 |
| New Haven, CT | DME DESIGN LLC | 88903E3222 | Professional Engineering Firm | Oct 20, 2027 |
| Wakefield, MA | DN TANKS LLC DN TANKS OF CONNECTICUT, LLC | 2D41BDA789 | Major Contractor + 1 more | Jun 30, 2027 |
| Broomfield, CO | DOMUS STRUCTURAL ENGINEERING, LLC | 0F2B79767E | Professional Engineering Firm | Apr 12, 2027 |
| Louisville, KY | DONAN ENGINEERING NC PLLC | 881E25C2EB | Professional Engineering Firm | Nov 27, 2027 |
| Saint Charles, MO | DOTEC PROFESSIONAL CORPORATION | 8CBD696ACF | Professional Engineering Firm | Dec 30, 2026 |
| Watertown, CT | DOWN TO EARTH CONSULTING LLC | FB2F984B0A | Professional Engineering Firm | Oct 17, 2027 |
| Longmeadow, MA | DPC ENGINEERING, LLC | 8D21AB1FC0 | Professional Engineering Firm | Aug 3, 2027 |
| Lansdale, PA | DRIVE ENGINEERING CORP | 18301E488B | Professional Engineering Firm | Dec 8, 2026 |
| Madison, WI | DRJ ENGINEERING LLC | 62EBA855BD | Professional Engineering Firm | Jul 14, 2027 |
| Concord, NC | DRYE-MCGLAMERY ENGINEERING PLLC | 7FDC4F72A6 | Professional Engineering Firm | Dec 18, 2026 |
| Endwell, NY | DSPC ENGINEERS P C | BE2C3475D5 | Professional Engineering Firm | Dec 3, 2026 |
| White Plains, NY | DTS PROVIDENT DESIGN ENGINEERING LLP | D98E0A62F2 | Professional Engineering Firm | Nov 15, 2026 |
| Randolph, VT | DUBOIS & KING, INC. | B854A4161C | Professional Engineering Firm | Sep 7, 2027 |
| Dexter, MI | DUCKS UNLIMITED INC | 2180506FD4 | Professional Engineering Firm | Jan 9, 2027 |
Alphabetical order — this site ranks no one. Businesses with at least one active credential in the Connecticut eLicensing file of October 1, 2026. How to read this.