Professional Engineering Firm — page 2 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 |
|---|---|---|---|---|
| Minneapolis, MN | DUNHAM ASSOCIATES INC | 614156CB5D | Professional Engineering Firm | Apr 12, 2027 |
| New York, NY | DY CONSULTING ENGINEER, P.C. DY CONSULTANTS | 387E250C03 | Professional Engineering Firm | Feb 26, 2027 |
| Southbury, CT | DYMAR DIV OF AML CORP | 44CDAEF072 | Professional Engineering Firm | Oct 1, 2027 |
| Lake Como, NJ | DYNAMIC EARTH LLC | 2D570A10C2 | Professional Engineering Firm | Mar 20, 2027 |
| Lake Como, NJ | DYNAMIC ENGINEERING CONSULTANTS, P.C. | 623213260B | Professional Engineering Firm | Dec 27, 2026 |
| Hanover, MD | E & S CONSTRUCTION ENGINEERS INC | 48F122AE35 | Professional Engineering Firm + 1 more | Oct 18, 2027 |
| Hunt Valley, MD | E A ENGINEERING SCIENCE & TECHNOLOGY INC PBC | 0946B58DE2 | Professional Engineering Firm | May 8, 2027 |
| Springfield, MO | E S C, INC. | 5D71247A80 | Professional Engineering Firm | Dec 10, 2026 |
| Metairie, LA | EAASYCORP, INC. | 40EB2E145E | Professional Engineering Firm | May 20, 2027 |
| Omaha, NE | EAD ENGINEERING, INC. | CA73D3008E | Professional Engineering Firm | Dec 27, 2026 |
| Hartford, CT | EARTH DESIGN ASSOCIATES INC | C8007A3598 | Professional Engineering Firm | Nov 13, 2026 |
| Woodstock, GA | EARTH RETENTION | 931E274C30 | Professional Engineering Firm | Jun 23, 2027 |
| Smyrna, GA | EARTH WALL PRODUCTS LLC | B9811320B3 | Professional Engineering Firm | Jun 6, 2027 |
| West Hartford, CT | EAST-WEST ENGINEERING PLLC | F2A70C9CBE | Professional Engineering Firm | Apr 20, 2027 |
| Lewiston, ME | EATON CORPORATION | 4B54F13CD7 | Professional Engineering Firm + 1 more | Jul 16, 2027 |
| Glenwood, IA | EBMEIER ENGINEERING, LLC | DC78B0A786 | Professional Engineering Firm | Apr 30, 2027 |
| Jacksonville, FL | ECC CORPORATION | 4C7CF3A759 | Professional Engineering Firm | Apr 16, 2027 |
| Chantilly, VA | ECS NEW YORK PLLC | 11010F7E1F | Professional Engineering Firm | Nov 24, 2026 |
| Guilford, CT | EDWARD STANLEY ENGINEERS LLC | 7D6F67D6DA | Professional Engineering Firm | Aug 27, 2027 |
| Uniontown, OH | EEG ENGINEERING LLC | B829B2560A | Professional Engineering Firm | Jan 4, 2027 |
| Nashua, NH | EFI GLOBAL INC | 3EFA81E25B | Professional Engineering Firm | Jun 8, 2027 |
| Chicago, IL | EGIS USA INC | 2D7CCF4FE3 | Professional Engineering Firm | Mar 16, 2027 |
| Fairfield, NJ | EIC GROUP, LLC | F1DB60FD15 | Professional Engineering Firm | Jan 28, 2027 |
| Daly City, CA | EKI ENVIROMENT & WATER INC | BF7CFE19A0 | Professional Engineering Firm | Mar 30, 2027 |
| Brainerd, MN | ELECTRICAL POWER AND SAFETY COMPANY | 2252ADF9F5 | Professional Engineering Firm | Apr 19, 2027 |
| Slinger, WI | ELEMENT30, INC. | 064C114EF7 | Professional Engineering Firm | May 20, 2027 |
| Springfield, VA | ELLIOTT LEBOEUF & MCELWAIN PC | 73E0356EE5 | Professional Engineering Firm | Aug 16, 2027 |
| Smyrna, TN | ELROD ENGINEERING LLC | 314ABF3EA1 | Professional Engineering Firm | Oct 7, 2027 |
| Saint Paul, MN | EMA OF MINNESOTA INC | E36F14AE22 | Professional Engineering Firm | Apr 12, 2027 |
| Minneapolis, MN | EMANUELSON-PODAS INC | C0876EC9CA | Professional Engineering Firm | Jun 9, 2027 |
| Lebanon, PA | EMC2 ENGINEERING MANAGEMENT CONSULTANTS LLC | 5BF2C4D448 | Professional Engineering Firm | Sep 5, 2027 |
| Lisle, IL | EN SPECIALTY SERVICES LLC | DCD01C5D91 | Professional Engineering Firm | Apr 17, 2027 |
| Kennesaw, GA | ENERCON SERVICES INC | 29A2FF98EC | Professional Engineering Firm | Jan 13, 2027 |
| Smithtown, NY | ENERGIA ENGINEERING PC | 9023CD5615 | Professional Engineering Firm | Jul 17, 2027 |
| Austin, TX | ENERGY ENGINEERING ASSOCIATES INC | E7E4F7EC71 | Professional Engineering Firm | Oct 11, 2027 |
| Lilburn, GA | ENG GROUP INC | 5F83EC2DDE | Professional Engineering Firm | Jun 14, 2027 |
| Bayport, MN | ENGINEERED DESIGN LLC | 559529C45B | Professional Engineering Firm | Jan 16, 2027 |
| Cayce, SC | ENGINEERING DESIGN & TESTING CORP | 14F95B386F | Professional Engineering Firm | Jan 22, 2027 |
| Cheshire, CT | ENGINEERING DESIGN GROUP INC | 0097A8FFEF | Professional Engineering Firm | Jul 26, 2027 |
| Pittsfield, MA | ENGINEERING DESIGN MANAGEMENT P.C | AE1A7F2D7F | Professional Engineering Firm | Sep 3, 2027 |
| Boca Raton, FL | ENGINEERING EXPRESS INC | 66E931C8FF | Professional Engineering Firm | Dec 4, 2026 |
| Aurora, IL | ENGINEERING SYSTEMS INC | DBF049AE97 | Professional Engineering Firm | Aug 3, 2027 |
| West Hartford, CT | ENGINEERZOOM INC | 415479B870 | Professional Engineering Firm | Jun 16, 2027 |
| Berkeley Heights, NJ | ENOVATE ENGINEERING PLLC | F521DC5525 | Professional Engineering Firm | Apr 3, 2027 |
| Memphis, TN | ENSAFE INC | A25EC45B8B | Professional Engineering Firm | Jun 8, 2027 |
| Peshtigo, WI | ENTERPRISE ENGINEERING CONSULTANTS | 12B77457F8 | Professional Engineering Firm | Aug 10, 2027 |
| Meriden, CT | ENVIROMED SERVICES INC | 05033AB32F | Professional Engineering Firm + 2 more | Nov 8, 2027 |
| Middletown, CT | ENVIRONMENTAL PARTNERS CT INC | 46530AE779 | Professional Engineering Firm | Jul 14, 2027 |
| Kansas City, MO | ENVIRONMENTAL SPECIALTY SOLUTIONS INC | 6BCEFE5430 | Professional Engineering Firm | Feb 6, 2027 |
| East Syracuse, NY | ENVIROTRAC CT, INC. | 456526BDD6 | Professional Engineering Firm | Jul 26, 2027 |
| Salt Lake City, UT | ENVISION ENGINEERING INC | D5A5CEA4F4 | Professional Engineering Firm | Jan 15, 2027 |
| Branford, CT | EP ENGINEERING INC | 55774EEB5E | Professional Engineering Firm | Oct 5, 2027 |
| Lancaster, PA | EPHRATA ENGINEERING, LLC | 4166C4547B | Professional Engineering Firm | Oct 20, 2027 |
| Maryland Heights, MO | EPS ENGINEERING & DESIGN INC | ABA5EDAB93 | Professional Engineering Firm | Jun 8, 2027 |
| Saint Paul, MN | ERA STRUCTURAL ENGINEERING INC | 8CDE9A553A | Professional Engineering Firm | Dec 8, 2026 |
| Rochester, NY | ERDMAN ANTHONY AND ASSOCIATES INC | 02DFD6827F | Professional Engineering Firm | Aug 4, 2027 |
| Boston, MA | ERM CONSULTING & ENGINEERING INC | 1A706F7BA2 | Professional Engineering Firm | Apr 12, 2027 |
| Boston, MA | ESIS | A92FDCD31E | Professional Engineering Firm | Feb 15, 2027 |
| Glastonbury, CT | EUSTIS ENGINEERING L.L.C. | 4D4302327B | Professional Engineering Firm | Jun 4, 2027 |
| Eden Prairie, MN | EVS INC | 8EF51C8EC4 | Professional Engineering Firm | Dec 8, 2026 |
| Mounds View, MN | EXCEL ENGINEERING INC | BD914CBC17 | Professional Engineering Firm | Jun 16, 2027 |
| San Francisco, CA | EXODIGO, INC. | 5CA9A56AEB | Professional Engineering Firm | Sep 13, 2027 |
| Maitland, FL | EXP US SERVICES INC | B547F1E889 | Professional Engineering Firm | Aug 15, 2027 |
| Menlo Park, CA | EXPONENT INC | 381B1AF12E | Professional Engineering Firm | Apr 13, 2027 |
| East Granby, CT | F A HESKETH & ASSOCIATES INC | D790A79A25 | Professional Engineering Firm | Oct 2, 2027 |
| Northbrook, IL | F E MORAN INC SPECIAL HAZARD SYSTEMS | 57C96C910A | Professional Engineering Firm | May 10, 2027 |
| Hartford, CT | F W WEBB COMPANY | E78949DF71 | Professional Engineering Firm | Apr 24, 2027 |
| Dallas, TX | FACADE STUDIO LLC | AED38AE384 | Professional Engineering Firm | Aug 14, 2027 |
| Farmington, CT | FACILITIES ENGINEERING ASSOCIATES INC | 1A9D32B65B | Professional Engineering Firm | Oct 6, 2027 |
| Stamford, CT | FALCON ENGINEERING CO LLC | 5825A5048E | Professional Engineering Firm | Nov 19, 2026 |
| Omaha, NE | FDN ENGINEERING LLC | 0841EB6B86 | Professional Engineering Firm | Jul 8, 2027 |
| Canonsburg, PA | FISHER ASSOCIATES ENGINEERING INC | D5BF9A4899 | Professional Engineering Firm | Jul 23, 2027 |
| Chester, PA | FISHER TANK COMPANY | 4C4DD735A5 | Major Contractor + 1 more | Jun 30, 2027 |
| Woburn, MA | FITZEMEYER & TOCCI ASSOCIATES INC | C9FAC5DE7F | Professional Engineering Firm | Aug 16, 2027 |
| Portland, OR | FJS ENGINEERS PLLC | B403F4923F | Professional Engineering Firm | May 10, 2027 |
| Sandy Lake, PA | FLEXOSPAN STEEL BUILDINGS INC | 19218F1E9B | Professional Engineering Firm | Jun 9, 2027 |
| Jacksonville, FL | FLORIDA FLOATS INC | 48E558A712 | Professional Engineering Firm | May 17, 2027 |
| Irving, TX | FLUOR ENTERPRISES INC | C980392B2A | Major Contractor + 1 more | Jun 30, 2027 |
| Jupiter, FL | FOCUS FORENSICS LLC | 8B9D9ECB65 | Professional Engineering Firm | Mar 3, 2027 |
| Boulder, CO | FOOTHILLS BRIDGE CO | EE741552A0 | Professional Engineering Firm | Jun 11, 2027 |
| Austin, TX | FORENSIC ENGINEERING COMPANY OF NORTH CAROLINA, PLLC | D3FBBB4536 | Professional Engineering Firm | Jun 21, 2027 |
| Peachtree Corners, GA | FORESITE GROUP LLC | 9C7DA306C8 | Professional Engineering Firm | Jan 15, 2027 |
| De Pere, WI | FOTH & VAN DYKE AND ASSOCIATES INC | 0532A6BA0F | Professional Engineering Firm | Oct 20, 2026 |
| Warwick, RI | FR ENGINEERING GROUP INC | 7309E0B0E5 | Professional Engineering Firm | Aug 11, 2027 |
| Lynchburg, VA | FRAMATOME INC | 17C3376823 | Professional Engineering Firm | Apr 8, 2027 |
| New Canaan, CT | FRANGIONE ENGINEERING LLC | C95009F3EB | Professional Engineering Firm | Jun 10, 2027 |
| Fort Worth, TX | FRANK W NEAL & ASSOC INC | F4C91BB5DC | Professional Engineering Firm | Jan 9, 2027 |
| Mishawaka, IN | FROST ENGINEERING & CONSULTING COMPANY | D07B06A3D5 | Professional Engineering Firm | Nov 14, 2026 |
| Arlington Heights, IL | FST ENGINEERING, PLLC | C152563639 | Professional Engineering Firm | Sep 13, 2027 |
| New York, NY | FST HEA LLC | 114BE99237 | Professional Engineering Firm | Dec 1, 2026 |
| Houston, TX | FUGRO USA LAND, INC. | 61D1812B94 | Professional Engineering Firm | Mar 30, 2027 |
| Schaumburg, IL | FULLERTON ENGINEERING PC | 45B32DB961 | Professional Engineering Firm | Oct 8, 2026 |
| Hartford, CT | FUSS & O'NEILL INC | BF6721C47D | Major Contractor + 2 more | Jun 30, 2027 |
| Frisco, TX | G & A ENGINEERING CONSULTANTS LLC | 5C7ED55000 | Professional Engineering Firm | Aug 14, 2027 |
| Maryland Heights, MO | G & W ENGINEERING CORPORATION | 58754B5C8D | Professional Engineering Firm | Jul 22, 2027 |
| Homestead, PA | GAI CONSULTANTS INC | 020EDB806B | Professional Engineering Firm | Nov 13, 2026 |
| Rockland, MA | GALE CONSULTANTS INC | 7392FDB3F1 | Professional Engineering Firm | Jan 22, 2027 |
| Rocky Hill, CT | GARG CONSULTING SERVICES INC | 8E965D1A27 | Professional Engineering Firm + 1 more | Jan 15, 2027 |
| Plymouth, MN | GARTNER REFRIGERATION INC | C85B4E4057 | Professional Engineering Firm | Sep 5, 2027 |
| Souderton, PA | GARY K MUNKELT AND ASSOCIATES LLC | CF746D8B3D | Professional Engineering Firm | Jun 16, 2027 |
| Wakefield, MA | GEI CONSULTANTS INC | 400A2C5B2F | Professional Engineering Firm | Apr 12, 2027 |
| Suffern, NY | GEIGER LYNCH EMERY CAMPBELL ENGINEERS, P.C. | 7DEE43922F | Professional Engineering Firm | Jul 2, 2027 |
| Philadelphia, PA | GENCORELLI ENGINEERING LLC | 663247229F | Professional Engineering Firm | Oct 20, 2027 |
| North Haven, CT | GENERAL DRAFTING & DESIGN INC | 7AE35AEAA6 | Professional Engineering Firm | Oct 22, 2027 |
| Kansas City, MO | GENESIS STRUCTURES INC | E749F036FA | Professional Engineering Firm | Oct 16, 2027 |
| New York, NY | GENESYS ENGINEERING PC | 0C4CF9F4E7 | Professional Engineering Firm | Jul 21, 2027 |
| Acton, MA | GEOCOMP, INC. | 29945CF8E2 | Professional Engineering Firm | Nov 17, 2026 |
| Middlebury, CT | GEODESIGN INC | D654A6488D | Professional Engineering Firm | Apr 11, 2027 |
| Redmond, WA | GEOENGINEERS, INC | 185A005CE2 | Professional Engineering Firm | Oct 30, 2026 |
| Sterling, VA | GEOQUEST USA INC | 02EDD9BD6E | Professional Engineering Firm | Oct 18, 2027 |
| Lenexa, KS | GEORGE BUTLER ASSOCIATES INC | B5F8C45C7D | Professional Engineering Firm | Oct 17, 2027 |
| Seattle, WA | GEORGETOWN ENGINEERING PLLC | 4966C1E3DD | Professional Engineering Firm | Aug 7, 2027 |
| Boca Raton, FL | GEOSYNTEC CONSULTANTS INC | DF11CA0EE6 | Professional Engineering Firm | Jun 14, 2027 |
| Mechanicsburg, PA | GFT INFRASTRUCTURE INC | D1200DDB71 | Professional Engineering Firm | May 8, 2027 |
| Irvine, CA | GHD INC | C33D11E7CD | Professional Engineering Firm | Jun 9, 2027 |
| Niagara Falls, NY | GHD SERVICES INC | D9D162E8C3 | Professional Engineering Firm | Jun 22, 2027 |
| Raytown, MO | GIBBENS DRAKE SCOTT INC | 84C3067883 | Professional Engineering Firm | Aug 12, 2027 |
| Arlington, VA | GIBBS & COX, INC. | 1609001C8A | Professional Engineering Firm | May 19, 2027 |
| Newton, MA | GILL ENGINEERING ASSOCIATES INC | DB314F2756 | Professional Engineering Firm | Oct 20, 2027 |
| Middletown, CT | GIUFFRIDA ENGINEERING INC | DFDC326850 | Professional Engineering Firm | Feb 17, 2027 |
| Naperville, IL | GLEASON ENGINEERING LLC | 0EF57ED861 | Professional Engineering Firm | Jul 4, 2027 |
| Middleburg, PA | GLENCO INC | AC65131FB5 | Professional Engineering Firm | Jan 19, 2027 |
| N. Tonawanda, NY | GLOBAL DOMINION ACCESS USA CORP | 7FC50AB89E | Professional Engineering Firm | Aug 11, 2027 |
| Rutherford, NJ | GLOBAL FORENSIC ENGINEERING INC | F90CB07EAC | Professional Engineering Firm | Feb 28, 2027 |
| Glastonbury, CT | GM2 ASSOCIATES INC | EC95BD431C | Land Surveyor Firm + 1 more | Apr 10, 2027 |
| Old Saybrook, CT | GNCB CONSULTING ENGINEERS PC | 509A8A335E | Professional Engineering Firm | Dec 31, 2026 |
| New Hartford, NY | GOMEZ AND SULLIVAN ENGINEERS, D.P.C. | 74B1EC1DD3 | Professional Engineering Firm | Aug 10, 2027 |
| Kalispell, MT | GORA ENGINEERING PLLC | 3AC2A34C6D | Professional Engineering Firm | Apr 15, 2027 |
| Irving, TX | GOTHAM ENGINEERING, A DESIGN PROFESSIONAL CORPORATION | D77A8298AC | Professional Engineering Firm | Feb 18, 2027 |
| Milwaukee, WI | GRAEF-USA INC | E1926A5AF7 | Professional Engineering Firm | Sep 8, 2027 |
| Woodbridge, NJ | GRC PROFESSIONAL ENGINEERING SERVICES PC | 217F8E6CF4 | Professional Engineering Firm | Feb 6, 2027 |
| Chicago, IL | GREELEY AND HANSEN LLC | F878D49057 | Professional Engineering Firm | Nov 30, 2026 |
| Tewksbury, MA | GREEN INTERNATIONAL AFFILIATES INC | A57AE8DB1A | Professional Engineering Firm | Feb 15, 2027 |
| Thornton, CO | GREENHOUSE ENGINEERING LLC | 9C4A8B727E | Professional Engineering Firm | Mar 25, 2027 |
| Melville, NY | GREENMAN PEDERSEN INC | D497B57167 | Professional Engineering Firm + 1 more | Nov 19, 2026 |
| Santa Clara, CA | GREGORY P LUTH & ASSOCIATES INC | 7D41E4BD5F | Professional Engineering Firm | Apr 16, 2027 |
| Nashville, TN | GRESHAM SMITH CT INC | BE161675B9 | Architecture Firm + 1 more | Jul 31, 2027 |
| Exton, PA | GROUNDWATER & ENVIRONMENTAL | 2002095355 | Professional Engineering Firm | Jan 17, 2027 |
| Indianapolis, IN | GUIDON DESIGN INC | B35F0CC7F5 | Professional Engineering Firm | Feb 18, 2027 |
| Houston, TX | GULF INTERSTATE ENGINEERING COMPANY | 3E56371F66 | Professional Engineering Firm | Apr 14, 2027 |
| Glastonbury, CT | GZA GeoEnvironmental, Inc. | F958DD5167 | Lead Consultant Contractor + 3 more | Jul 31, 2027 |
| Jackson, TN | H + M ENGINEERING SERVICES PC | E4EE4940C0 | Professional Engineering Firm | Jul 21, 2027 |
| Johnstown, PA | H F LENZ COMPANY | 813CB3F00A | Professional Engineering Firm | Feb 14, 2027 |
| Houston, TX | H2B INC | 19321116B8 | Professional Engineering Firm | Apr 15, 2027 |
| Flower Mound, TX | HAAG ENGINEERING CO | E5723903F0 | Professional Engineering Firm | Oct 6, 2027 |
| Farmingdale, NY | HAIDER ENGINEERING P.C. | 0B49ED800E | Professional Engineering Firm | Sep 17, 2027 |
| Wethersfield, CT | HALEY & ALDRICH INC | 7E87782A1D | Professional Engineering Firm | Nov 19, 2027 |
| Brookfield, CT | HALEY WARD INC | D2944D7421 | Landscape Architecture Firm + 2 more | Jul 31, 2027 |
| Richardson, TX | HALFF ASSOCIATES INC | F9B08445CA | Professional Engineering Firm | Jul 30, 2027 |
| South Burlington, VT | HALLAM ASSOCIATES INC | 10523587C8 | Professional Engineering Firm | Jul 25, 2027 |
| Saint Paul, MN | HALLBERG ENGINERERING INC | 33CBDE00A8 | Professional Engineering Firm | Oct 20, 2027 |
| Point Pleasant, NJ | HAMMER LAND ENGINEERING LLC | 226043A94D | Professional Engineering Firm | Oct 18, 2027 |
| Springfield, IL | HANSON PROFESSIONAL SERVICES INC | 5B4CA5BD63 | Professional Engineering Firm | Dec 11, 2026 |
| New York, NY | HARDESTY & HANOVER CONSTRUCTION SERVICES LLC | 7A66AA3BDA | Professional Engineering Firm | Apr 17, 2027 |
| New York, NY | HARDESTY & HANOVER LLC | 25D64931E9 | Professional Engineering Firm | Apr 17, 2027 |
| Seattle, WA | HARGIS ENGINEERS INC | BBC4163E21 | Professional Engineering Firm | May 10, 2027 |
| Mobile, AL | HARGROVE SERVICES CORPORATION | 2712A2CD14 | Professional Engineering Firm | Jan 14, 2027 |
| Duluth, GA | HARRINGTON GROUP, INC. | FFF4845DF5 | Professional Engineering Firm | Oct 13, 2026 |
| Fort Worth, TX | HARRISON ENGINEERING LLC | 515A327AD6 | Professional Engineering Firm | Apr 12, 2027 |
| Pittsburgh, PA | HATCH ASSOCIATES CONSULTANTS INC | 8C7491DE0E | Professional Engineering Firm | Oct 5, 2026 |
| Columbia, MS | HAYMAN ENGINEERING INC | 9B5836C1E9 | Professional Engineering Firm | Apr 29, 2027 |
| Wethersfield, CT | HAZEN & SAWYER P C | 87BFABA876 | Professional Engineering Firm | Jan 9, 2027 |
| Omaha, NE | HDR CONSTRUCTION CONTROL CORPORATION | 7D27C3113D | Professional Engineering Firm | Oct 4, 2027 |
| Omaha, NE | HDR ENGINEERING INC | 47A39ECE4D | Professional Engineering Firm | Aug 9, 2027 |
| Dayton, OH | HEAPY ENGINEERING INC | 5D1B415B28 | Professional Engineering Firm | Feb 2, 2027 |
| Royal Oak, MI | HED ENGINEERING PLLC | F930FF9FC9 | Professional Engineering Firm | Feb 4, 2027 |
| Chester, NJ | HEIBERG ENGINEERING AND FORENSIC SERVICES LLC | 026C5E9ACE | Professional Engineering Firm | Dec 15, 2026 |
| Kansas City, MO | HERZIG ENGINEERING CONSULTING PC | 5BEAB5246D | Professional Engineering Firm | Aug 28, 2027 |
| Bentonville, AR | HFA-AE LTD | 77B165B0F5 | Architecture Firm + 1 more | Jul 31, 2027 |
| Houston, TX | HGE CONSULTING INC | 94C9D4D7AA | Professional Engineering Firm | Jul 21, 2027 |
| Windsor, CT | HIGHLAND CONSULTANTS LLC | CACB0CB82B | Professional Engineering Firm | Apr 1, 2027 |
| Mt. Laurel, NJ | HILL INTERNATIONAL INC | 78EF4D970A | Professional Engineering Firm | Apr 8, 2027 |
| Raleigh, NC | HITACHI ENERGY USA INC | 109EEE7350 | Professional Engineering Firm + 1 more | Oct 8, 2027 |
| Allentown, PA | HIVE POWER ENGINEERING LLC | 24CAEFAA1B | Professional Engineering Firm | Nov 13, 2026 |
| Rocky Hill, CT | HNTB CORPORATION | 7412DD8AAE | Professional Engineering Firm | Feb 23, 2027 |
| Marlborough, MA | HOBBS FIRE PROTECTION DESIGN SERVICES, LLC | FBFAB6F6AB | Professional Engineering Firm | Jul 2, 2027 |
| Muscatine, IA | HOFFMAN INC | D0BEB1AA85 | Professional Engineering Firm | Jun 11, 2027 |
| Redondo Beach, CA | HOPPER ENGINEERING ASSOCIATES, INC. | 941530573F | Professional Engineering Firm | Aug 4, 2027 |
| Shawnee, KS | HOSS AND BROWN ENGINEERS INC | 23D8BA4C0C | Professional Engineering Firm | Apr 24, 2027 |
| Boston, MA | HOWARD/STEIN-HUDSON ASSOCIATES INC | 3429536E43 | Professional Engineering Firm | Jul 17, 2027 |
| Manchester, NH | HOYLE TANNER & ASSOCIATES INC THE HTA COMPANIES | A30D2EB325 | Professional Engineering Firm | Nov 18, 2026 |
| Farmington, CT | HRP ASSOCIATES INC | 010A503616 | Professional Engineering Firm | Jan 17, 2027 |
| Moon Twp, PA | HRV CONFORMANCE VERIFICATION ASSOCIATES INC | 3377C453A4 | Professional Engineering Firm | Oct 18, 2027 |
| Hartford, CT | HTFD STEAM BOILER INSP & INS CO (THE) | 81A60F4E25 | Professional Engineering Firm | Sep 21, 2027 |
| Flagstaff, AZ | HUBBARD MERRELL ENGINEERING CORPORATION | 8B1CECED0F | Professional Engineering Firm | Apr 11, 2027 |
| Mason, NH | HURRICANE HILL DEVELOPMENT COMPANY PLLC | C8181FB459 | Professional Engineering Firm | Apr 11, 2027 |
| Latham, NY | HUSTON ENGINEERING, LLC | 7D5A09FDD7 | Professional Engineering Firm | Jun 29, 2027 |
| Lafayette, LA | HUVAL AND ASSOCIATES INC | 8BA5ED8363 | Professional Engineering Firm | Aug 10, 2027 |
| Boulder, CO | HYDE ENGINEERING SERVICES INC HYDE RENEWABLES | 0B1BA9EA0A | Professional Engineering Firm | Mar 12, 2027 |
| Rocky Hill, CT | I2R ENGINEERING SERVICES LLC | 90FC7F1BC7 | Professional Engineering Firm | Aug 10, 2027 |
| Bentonville, AR | ICS ENGINEERING PLLC | B6881A5A1D | Professional Engineering Firm | Mar 20, 2027 |
| Rock Island, IL | IMEG CONSULTANTS CORP | 07F77A08D6 | Landscape Architecture Firm + 2 more | Jul 31, 2027 |
| Bordentown, NJ | INDEPENDENCE ENGINEERING LLC | F4C69BF809 | Professional Engineering Firm | Jul 30, 2027 |
| Chester, VA | INDUSTRIAL TURNAROUND CORPORATION ITAC | FFF5D2E461 | Professional Engineering Firm + 1 more | Oct 20, 2027 |
| Fort Washington, PA | INFINIGY ENGINEERING LLC | 40FAFA5892 | Professional Engineering Firm | Oct 20, 2027 |
| Oak Park, IL | INGENII, LLC | 741FF0887C | Professional Engineering Firm | Nov 2, 2026 |
| Orlando, FL | INGENUITY ENGINEERS INC | 3D3BDD1B44 | Professional Engineering Firm | Jul 21, 2027 |
| Brentwood, TN | INGRAM CIVIL ENGINEERING GROUP | 34F6E995A5 | Professional Engineering Firm | Nov 24, 2026 |
| Las Vegas, NV | INNOVA TECHNOLOGIES INC | 7E05AF647F | Professional Engineering Firm | Jul 17, 2027 |
| Milford, CT | INNOVATIVE DESIGN ENGINEERING ASSOC INC | 10749AB093 | Professional Engineering Firm | Oct 9, 2027 |
| Monroe, CT | INNOVATIVE DESIGN ENGINEERING ASSOCIATE LLC | CA9DD067CB | Professional Engineering Firm | Jun 15, 2027 |
| Boulder, CO | INTEGRAL CONSULTING INC | 568FDC3576 | Professional Engineering Firm | Aug 10, 2027 |
| Hainesport, NJ | INTEGRATED GEOTECHNICAL SOLUTIONS INC | B6D9CA4B22 | Professional Engineering Firm | Nov 26, 2026 |
| Houston, TX | INTEGRITY STRUCTURAL CORP | BCA53523A6 | Professional Engineering Firm | Nov 28, 2026 |
| Hood River, OR | INTER-FLUVE INC | 8B104BD71A | Professional Engineering Firm | Apr 17, 2027 |
| Saint Louis, MO | INTERNATIONAL DESIGN SERVICES INC | E38B3D836E | Professional Engineering Firm | Jul 23, 2027 |
| Bristol, CT | INTERPRO CONSULTING ENGINEERING LLC | CEE51E6E15 | Professional Engineering Firm | Oct 16, 2026 |
| Sioux Center, IA | INTERSTATES ENGINEERING INC | 52989DA29D | Professional Engineering Firm | Apr 1, 2027 |
| Saint Louis, MO | INTROBA INC | B68DA745F2 | Professional Engineering Firm | Oct 17, 2027 |
| Greer, SC | IPG ENGINEERING, LLC | 63236FA594 | Professional Engineering Firm | Jan 20, 2027 |
| Sandy Hook, CT | IRONTOWER DESIGN LLC | A6F1C60CAB | Professional Engineering Firm | Mar 15, 2027 |
| Glenview, IL | ITW BUILDING COMPONENTS GROUP INC | CB80A30BCF | Professional Engineering Firm | Jan 18, 2027 |
| Tulsa, OK | J D HAIR & ASSOCIATES INC | 0081E29ED0 | Professional Engineering Firm | Nov 15, 2026 |
| Santa Rosa, CA | J M TURNER ENGINEERING INC | 0347E392AB | Professional Engineering Firm | Nov 19, 2026 |
| Danbury, CT | J S HELD ENGINEERING SERVICES PLLC | F559478341 | Professional Engineering Firm | Jun 12, 2027 |
| Hoover, AL | JACKSON, RENFRO & ASSOCIATES INC | F7FDDBB2D5 | Professional Engineering Firm | Feb 22, 2027 |
| Seattle, WA | JACOBS ASSOCIATES DELVE UNDERGROUND | 6AD8AD1FB6 | Professional Engineering Firm | Feb 15, 2027 |
| Dallas, TX | JACOBS ENGINEERING GROUP INC | 5B62CAC4A5 | Professional Engineering Firm | Aug 30, 2027 |
| Dallas, TX | JACOBS PROJECT MANAGEMENT CO | E10D5119A4 | Professional Engineering Firm + 1 more | Sep 14, 2027 |
| Ronkonkoma, NY | JACOBSEN & HORAN ENGINEERING PC | 80693A2767 | Professional Engineering Firm | Feb 9, 2027 |
| Brewster, NY | JAMES J HAHN ENGINEERING PC | 25D409D6E2 | Professional Engineering Firm | Dec 1, 2026 |
| New York, NY | JAROS, BAUM & BOLLES, INC. | 0079EAD625 | Professional Engineering Firm | Oct 5, 2027 |
| Portland, CT | JB ENGINEERING, LLC | 79A3295740 | Professional Engineering Firm | Mar 30, 2027 |
| Pilot Mountain, NC | JCMT ASSOCIATES, PLLC | 28EB52CAAC | Professional Engineering Firm | Apr 26, 2027 |
| Raleigh, NC | JDS CONSULTING NC LLC | C10E01D577 | Professional Engineering Firm | Nov 24, 2026 |
| Chattanooga, TN | JEI ENGINEERING INC | 0E5A08EE33 | Professional Engineering Firm | Feb 7, 2027 |
| Columbia, MD | JENSEN HUGHES INC | 7F449CAD7F | Professional Engineering Firm | Jul 19, 2027 |
| Old Saybrook, CT | JKB CONSULTING LLC | 65D7F7DA9B | Professional Engineering Firm | Oct 11, 2027 |
| New Haven, CT | JKF AND ASSOCIATES LLC | EF17BD8737 | Professional Engineering Firm | Dec 1, 2026 |
| Los Angeles, CA | JOHN A. MARTIN STRUCTURAL ENGINEERS, INC. | 3A4357DCAB | Professional Engineering Firm | Oct 16, 2027 |
| Shelton, CT | JOHN J BRENNAN CONSTRUCTION CO INC | 31A0B96D25 | Professional Engineering Firm + 4 more | Nov 30, 2027 |
| Porstmouth, NH | JOHN TURNER CONSULTING INC | 996C020B30 | Professional Engineering Firm | Apr 17, 2027 |
| Peachtree Corners, GA | JOHNSON SPELLMAN & ASSOCIATES INC | 30C0BA5605 | Professional Engineering Firm | Jun 14, 2027 |
| Hunt Valley, MD | JOHNSON, MIRMIRAN & THOMPSON INC | BFB2DDF9DB | Professional Engineering Firm | Sep 14, 2027 |
| Kansas City, MO | JOHNSTON BURKHOLDER ASSOCIATES LLC | 4D2FC3354E | Professional Engineering Firm | Jun 13, 2027 |
| Middletown, CT | JON D PETERSEN LLC | 523B473B32 | Professional Engineering Firm | Oct 8, 2027 |
| Norcross, GA | JORDAN & SKALA ENGINEERS INC | CB2B790A57 | Professional Engineering Firm | Feb 6, 2027 |
| Saratoga Springs, NY | JOSEPH JOHNSTON ENGINEERING D P C | 5B481DE255 | Professional Engineering Firm | Oct 6, 2027 |
| Canterbury, CT | JOWA LLC | 558D8B02FB | Professional Engineering Firm | Apr 24, 2027 |
| Joplin, MO | JS SMITH CONSULTING ENGINEERS PC | EDC89D4F8F | Professional Engineering Firm | Jul 21, 2027 |
| Lagrangeville, NY | JT CHASE ENGINEERING PLLC | D2FC8C35D7 | Professional Engineering Firm | Dec 7, 2026 |
| Sparks, NV | JTL CONSULTING LLC | BAF4ECEC51 | Professional Engineering Firm | Jul 17, 2027 |
| Boulder, CO | JVA, INC. | 2B1CFB0955 | Professional Engineering Firm | Aug 9, 2027 |
| White Plains, NY | K&A ENGINEERING CONSULTING P C | 175C83814B | Professional Engineering Firm | Jun 15, 2027 |
| Edison, NJ | KARBON ENGINEERING SERVICES LLC | 36DC973F05 | Professional Engineering Firm | Oct 7, 2027 |
| Sarasota, FL | KARINS ENGINEERING GROUP INC | 6EF12B1583 | Professional Engineering Firm | Jun 16, 2027 |
| Cleveland, OH | KARPINSKI ENGINEERING INC. | 13BB356FFD | Professional Engineering Firm | Mar 2, 2027 |
| Sparks Glencoe, MD | KCI TECHNOLOGIES INC | BEFF5CF791 | Professional Engineering Firm + 1 more | Jun 11, 2027 |
| Philadelphia, PA | KEAST & HOOD CO | EEAE1728BD | Professional Engineering Firm | Jul 18, 2027 |
| Hanover, MD | KELLER NORTH AMERICA, INC. | B78E9A937B | Major Contractor + 1 more | Jun 30, 2027 |
| San Francisco, CA | KENNEDY/JENKS CONSULTANTS INC | A4A1304ECD | Professional Engineering Firm | Aug 15, 2027 |
| Indianapolis, IN | KERAMIDA ENVIRONMENTAL INC | 1759ED917F | Professional Engineering Firm | Feb 9, 2027 |
| Marshfield, MA | KEVILLE ENTERPRISES INC | C6B16F3DF1 | Professional Engineering Firm | Jun 11, 2027 |
| Elkhart, IN | KEVIN M FINN P.E.INC | 2363A3D0C6 | Professional Engineering Firm | Oct 8, 2026 |
| Castle Rock, CO | KEYSTONE E2 PLLC | DCB7612090 | Professional Engineering Firm | Jan 14, 2027 |
| Saint Paul, MN | KFI ENGINEERS P C KFI ENGINEERS | 883AE9F839 | Professional Engineering Firm | Mar 15, 2027 |
| Tinton Falls, NJ | KIELY ENGINEERING LLC | 60CC66AD8A | Professional Engineering Firm | Apr 11, 2027 |
| Lenexa, KS | KIEWIT ENGINEERING GROUP INC | FCC5243F25 | Professional Engineering Firm | Apr 29, 2027 |
| Henderson, NC | KILIAN ENGINEERING INC | A68F5BECBC | Professional Engineering Firm | Mar 2, 2027 |
| Raleigh, NC | KIMLEY-HORN & ASSOCIATES INC | 6889751746 | Landscape Architecture Firm + 1 more | Jul 31, 2027 |
| Framingham, MA | KINEMATIC CONSULTANTS, LLC | 7DB8A17A38 | Professional Engineering Firm | Dec 8, 2026 |
| Boston, MA | KITTELSON & ASSOCIATES INC | 1B150EA26B | Professional Engineering Firm | May 17, 2027 |
| Rocky Hill, CT | KLEINFELDER NORTHEAST INC | A66DEAA411 | Professional Engineering Firm | Apr 19, 2027 |
| Pittsfield, ME | KLEINSCHMIDT ASSOCIATES | B95579EB1D | Professional Engineering Firm | Jun 14, 2027 |
| Wilmington, DE | KMB DESIGN GROUP LLC | 7D6E6A20A6 | Professional Engineering Firm | Jun 9, 2027 |
| Sheboygan, WI | KNOWLES-CERVENKA ENGINEERING, S.C. P.C. | 0873968E38 | Professional Engineering Firm | May 1, 2027 |
| Danbury, CT | KOHLER RONAN LLC | 3B38ED9A3E | Professional Engineering Firm | Sep 9, 2027 |
| Fort Thomas, KY | KOHRS LONNEMANN HEIL ENGINEERS INC | C6175123CF | Professional Engineering Firm | Dec 8, 2026 |
| Henrico, VA | KOONTZ BRYANT JOHNSON WILLIAMS INC | D5B52C4748 | Professional Engineering Firm | Dec 1, 2026 |
| Columbus, OH | KORDA/NEMETH ENGINEERING INC | AD3C3716AC | Professional Engineering Firm | Jul 23, 2027 |
| Seattle, WA | KPFF INC | 2517A4C769 | Professional Engineering Firm | Oct 11, 2027 |
| Dallas, TX | KRIEGER, MAINES AND VICARS CONSULTING ENGINEERS LLC | 9EB05467C6 | Professional Engineering Firm | Dec 17, 2026 |
| Newark, NJ | KS ENGINEERS P C | 42B7A6056A | Professional Engineering Firm | Oct 16, 2026 |
| Missoula, MT | KSB STRUCTURAL ENGINEERING, LLC | 6051977A48 | Professional Engineering Firm | Oct 10, 2027 |
| Quakertown, PA | KSE ENGINEERING PC | BF178572D6 | Professional Engineering Firm | Apr 11, 2027 |
| Farmingdale, NJ | KSI PROFESSIONAL ENGINEERS | 38F4D27103 | Professional Engineering Firm | Jul 6, 2027 |
| Pittsburgh, PA | KTA-TATOR INC | 8B53D8BF05 | Professional Engineering Firm | Nov 15, 2027 |
| Meriden, CT | KWH ENTERPRISE LLC | 293373018D | Professional Engineering Firm | Jul 19, 2027 |
| Boston, MA | L A FUESS PARTNERS-BOSTON LLC | 55BCEC6EF2 | Professional Engineering Firm | Nov 18, 2027 |
| Rocky Hill, CT | L-C ASSOCIATES INC | BA1901BA67 | Professional Engineering Firm | Jan 16, 2027 |
| Brookhaven, NY | L.K. MCLEAN ASSOCIATES ENGINEERING AND SURVEYING, D.P.C., P.C. | 8120EA8E57 | Professional Engineering Firm | Mar 3, 2027 |
| Rochester, NY | LABELLA ASSOCIATES P C | 64B913E1AE | Landscape Architecture Firm + 2 more | Jul 31, 2027 |
| Yukon, OK | LAM ENGINEERING LLC | 06BC09DCEB | Professional Engineering Firm | Oct 8, 2026 |
| Westport, CT | LAND-TECH CONSULTANTS INC | B23B0F1909 | Professional Engineering Firm | Apr 5, 2027 |
| Norwalk, CT | LANDMARK FACILITIES GROUP INC | E49DABCFC7 | Professional Engineering Firm | Jun 14, 2027 |
| Tulare, CA | LANE ENGINEERS INC | 557D859803 | Professional Engineering Firm | Feb 6, 2027 |
| New Haven, CT | LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES LLC | 4A403E35E1 | Professional Engineering Firm | Sep 11, 2027 |
| Kansas City, MO | LANKFORD FENDLER & ASSOCIATES INC | 65FBF9953C | Professional Engineering Firm | Jun 14, 2027 |
| Williamsport, PA | LARSON ARCHITECTURAL GROUP INC (THE) | F00D3E6BD3 | Professional Engineering Firm | Jun 14, 2027 |
| White Bear Lake, MN | LARSON ENGINEERING INC | 78BB64805F | Professional Engineering Firm | Aug 15, 2027 |
| Topeka, KS | LATIMER SOMMERS & ASSOCIATE PA | AA6DDCF917 | Professional Engineering Firm | May 19, 2027 |
| Mobile, AL | LAURENCE & ASSOC., LLC | 6B79AFE212 | Professional Engineering Firm | Mar 17, 2027 |
| Birmingham, AL | LBYD INC | 98989A20D5 | Professional Engineering Firm | Mar 19, 2027 |
| Nampa, ID | LEAVITT & ASSOCIATES ENGINEERS INC | 75A6F90F7E | Professional Engineering Firm | Jan 16, 2027 |
| Northampton, PA | LEHIGH VALLEY TECHNICAL ASSOCIATES INC | 4FA1C360E9 | Professional Engineering Firm | Jul 21, 2027 |
| Reston, VA | LEIDOS CONSULTING ENGINEERS INC | A7B6B00F77 | Professional Engineering Firm | Nov 13, 2026 |
| Lenexa, KS | LEINWETTER ENGINEERING | 2E6BD15208 | Professional Engineering Firm | Dec 12, 2026 |
| Boston, MA | LEMESSURIER CONSULTANTS INC. | CA02B09259 | Professional Engineering Firm | Dec 4, 2026 |
| Mandeville, LA | LEONARD C QUICK & ASSOC INC | 025D86B122 | Professional Engineering Firm | Aug 14, 2027 |
| Charlotte, NC | LIGHTSERVE CORPORATION | 75F529E97E | Professional Engineering Firm | Feb 17, 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.