Major Contractor — page 2 of 7

1,861 businesses with an active “Major Contractor” credential — administered by the Department of Consumer Protection. State file of October 1, 2026.

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Place	Business	Record	Credentials	Latest expiration
Stamford, CT	CARPENTRY UNLIMITED INC	41CA26D343	Major Contractor + 2 more	Jun 30, 2027
Southington, CT	CARRIER CONSTRUCTION INC	B6046ABB6D	Major Contractor + 2 more	Jun 30, 2027
Newington, CT	CARVALHO & MCDOWELL CONSTRUCTION INC	0E2CEB3EC7	Major Contractor	Jun 30, 2027
New Haven, CT	CATALYST CONSTRUCTION SERVICES LLC	69F0FA7C65	Major Contractor	Jun 30, 2027
Lakewood, CO	CATAMOUNT CONSTRUCTORS INC	0193E470E0	Major Contractor	Jun 30, 2027
New York, NY	CAULDWELL WINGATE COMPANY LLC	31ED69C95F	Major Contractor	Jun 30, 2027
Port Orange, FL	CBH GENERAL CONTRACTING LLC	A4CCF4112A	Major Contractor	Jun 30, 2027
Plainfield, IL	CBI SERVICES LLC	ACF2BD519A	Major Contractor	Jun 30, 2027
Denver, CO	CDM CONSTRUCTORS INC	B437E1330B	Major Contractor	Jun 30, 2027
Troy, MI	CE GLEESON CONSTRUCTORS INC	F771DF4B54	Major Contractor	Jun 30, 2027
Bridgeport, CT	CEBULSKI CONSTRUCTION INC	6EE2A0E287	Major Contractor + 2 more	Jun 30, 2027
Kansas City, MO	CECO CONCRETE CONSTRUCTION LLC	A7B2EA0903	Major Contractor	Jun 30, 2027
Willington, CT	CENAXO LLC	86B3E706A7	Major Contractor	Jun 30, 2027
West Bridgewater, MA	CENTERLINE COMMUNICATIONS LLC	AE60DB9663	Major Contractor	Jun 30, 2027
Canonsburg, PA	CENTIMARK CORPORATION	814DE319DD	Major Contractor	Jun 30, 2027
Wallingford, CT	CENTRAL CONN ACOUSTICS INC	3C45443BCE	Major Contractor	Jun 30, 2027
New York, NY	CENTRAL INTERIORS INC	70811A2904	Major Contractor	Jun 30, 2027
Cromwell, CT	CENTRAL MECHANICAL SERVICES INC	21F12D5306	Major Contractor + 1 more	Jun 30, 2027
Garrett, IN	CENTURION INDUSTRIES INC	5597969A98	Professional Engineering Firm + 1 more	Oct 8, 2027
New York, NY	CENTURION SOLAR ENERGY LLC	A8F9A855FB	Major Contractor + 1 more	Jun 30, 2027
Lincoln, RI	CENTURY DRYWALL INC	1256A0E581	Major Contractor	Jun 30, 2027
North Haven, CT	CERILLI CONSTRUCTION LLC	FFD2EC6E74	Major Contractor + 2 more	Jun 30, 2027
Pflugerville, TX	CERRIS BUILDERS INC	91BABEC9E5	Major Contractor	Jun 30, 2027
Unionville, CT	CERTIFIED HISTORIC DESIGN & BUILD LLC	F7402DBA0B	Major Contractor	Jun 30, 2027
Elmira, NY	CFE INC	E4CB40F23C	Major Contractor	Jun 30, 2027
Griswold, CT	CFGS LLC	60A4997353	Major Contractor + 1 more	Jun 30, 2027
Glastonbury, CT	CFM CONSTRUCTION CORPORATION	4370BA1F75	Major Contractor + 1 more	Jun 30, 2027
Greenwood Village, CO	CH2M HILL ENGINEERS INC	084ECEFAE0	Major Contractor + 1 more	Jun 30, 2027
Waterbury, CT	CHAIM F. CONSTRUCTION CORP. CF CONSTRUCTION	58B0FD7FF8	Major Contractor	Jun 30, 2027
Cromwell, CT	CHARTER OAK UTILITY CONSTRUCTORS INC	DC5A036931	Major Contractor	Jun 30, 2027
Danbury, CT	CHELSEA CONSTRUCTION LLC	FDA6063C8D	Major Contractor	Jun 30, 2027
Pawcatuck, CT	CHERENZIA EXCAVATION INC	8E27D78212	Major Contractor + 2 more	Jun 30, 2027
North Branford, CT	CHERRY HILL CONST INC	10F7710B33	Operator of Weighing & Measuring Devices + 2 more	Jul 31, 2027
Branford, CT	CHERRY HILL GLASS CO INC	ED1050709A	Major Contractor	Jun 30, 2027
Southwick, MA	CHET COMEE AND SONS INC	4D69492A12	Major Contractor	Jun 30, 2027
Yorktown Heights, NY	CHILMARK BUILDERS INC	DD04D3C149	Major Contractor + 2 more	Jun 30, 2027
Greenwich, CT	CHIMBLO DEVELOPMENT & CONSTRUCTION COMPANY	75114B3FB0	Major Contractor + 2 more	Jun 30, 2027
Congers, NY	CHIODI CORP	3B54495B69	Major Contractor	Jun 30, 2027
Atlanta, GA	CHOATE CONSTRUCTION COMPANY	86CBE16C21	Major Contractor	Jun 30, 2027
Virginia Beach, VA	CHURCH DEVELOPMENT CONSTRUCTION SERVICES, LLC	45DA11C9C2	Major Contractor	Jun 30, 2027
Pittsfield, ME	CIANBRO CORPORATION	D687343A38	Major Contractor + 1 more	Jun 30, 2027
Saint Peters, MO	CISSELL MUELLER CONSTRUCTION, INC.	19DF7FA0AA	Major Contractor	Jun 30, 2027
Alpharetta, GA	CIVES CORPORATION	0F361757E1	Major Contractor	Jun 30, 2027
Berlin, CT	CIVITILLO MASONRY INC	F9EDDF35F4	Major Contractor	Jun 30, 2027
Mount Airy, NC	CL CONTRACTING LLC	F478A3B120	Major Contractor	Jun 30, 2027
Raleigh, Nc, NC	CLANCY & THEYS CONSTRUCTION CO	0FD58E1ECE	Major Contractor	Jun 30, 2027
Newtown, CT	CLARIS CONSTRUCTION INC	C2C5A8C559	Professional Engineering Firm + 3 more	Oct 6, 2027
Mclean, VA	CLARK CONSTRUCTION GROUP LLC	2F960CB023	Major Contractor	Jun 30, 2027
Essex, CT	CLARK CORPORATION (THE)	8C78F24183	Major Contractor	Jun 30, 2027
Wolcott, CT	CLASSIC BUILDERS CT LLC	9629F24E4C	Major Contractor	Jun 30, 2027
Wethersfield, CT	CLASSIC REAL ESTATE MANAGEMENT LLC	6081D2D6C1	Major Contractor + 2 more	Jun 30, 2027
Saint Louis, MO	CLAYCO INC	8C1C7439E8	Major Contractor	Jun 30, 2027
Doylestown, PA	CLEANSPACE MODULAR LLC	B36AF417D4	Major Contractor	Jun 30, 2027
Bakersfield, CA	CLEAR CREEK SYSTEMS INC	EDD0BECB6B	Major Contractor	Jun 30, 2027
Watertown, CT	CLEARHEART CONSTRUCTION CO INC	400E87C1AF	Demolition Contractor + 1 more	Oct 31, 2027
South Windsor, CT	CLEARSPAN FABRIC STRUCTURES INTERNATIONAL INC	73A2C0F424	Major Contractor	Jun 30, 2027
Stamford, CT	CLEARVIEW CONSTRUCTION NE LLC	0332927182	Major Contractor	Jun 30, 2027
Naples, FL	CLEVELAND CONSTRUCTION INC OF NEVADA	5C7E4AB09C	Major Contractor	Jun 30, 2027
Windham, ME	CLOUTIER BUILDING CORPORATION	63ADE92AC0	Major Contractor	Jun 30, 2027
Chicago, IL	CLUNE CONSTRUCTION COMPANY LP	281916E3A7	Major Contractor	Jun 30, 2027
Quincy, MA	CMC DESIGN BUILD INC	56CF478625	Major Contractor	Jun 30, 2027
Bronx, NY	CNB CONTRACTING CORP	91520CE448	Major Contractor	Jun 30, 2027
Duxbury, MA	COASTAL CONSTRUCTION CORP	8ED0BEAC85	Major Contractor	Jun 30, 2027
Southington, CT	COASTAL MASONRY LLC	C145A1EB68	Major Contractor	Jun 30, 2027
Middlefield, CT	COASTLAND ENTERPRISES LLC	7FAFD17A33	Major Contractor + 2 more	Jun 30, 2027
Saint Louis, MO	COATINGS APPLICATION & WATERPROOFING CO	C715027D3D	Major Contractor	Jun 30, 2027
Watertown, CT	COCCHIOLA PAVING INC	41EB03FE09	Major Contractor + 1 more	Jun 30, 2027
Boston, MA	COFFEY DESIGN + BUILD CO LLC	D4236525FF	Major Contractor	Jun 30, 2027
Bristol, CT	COLLABORATIVE BUILDING SOLUTIONS LLC	23A7F6B646	Major Contractor + 1 more	Jun 30, 2027
East Hartford, CT	COLLADO HOME IMPROVEMENT LLC	C025012869	Major Contractor	Jun 30, 2027
New Britain, CT	COLLIER ELECTRICAL CORP	A3CF9B33C2	Major Contractor	Jun 30, 2027
Bozrah, CT	COLLINS & JEWELL COMPANY INC	4E622E32D9	Major Contractor + 1 more	Jun 30, 2027
Whitehouse Station, NJ	COLONIAL WALL SYSTEMS INC	72F55EBE6E	Major Contractor	Jun 30, 2027
Old Lyme, CT	COMMERCIAL CONSTRUCTION GROUP LLC	CC9D8E7585	Major Contractor + 3 more	Jun 30, 2027
Upper Darby, PA	COMMERCIAL CONSTRUCTION MANAGEMENT INC CCM INC	3018EB84F4	Major Contractor	Jun 30, 2027
Orange, CT	COMMERCIAL DEVELOPMENT COMPANY LLC CDC	1CEE47231E	Major Contractor + 1 more	Jun 30, 2027
Stafford Springs, CT	COMMERCIAL DEVELOPMENT SERVICES GROUP LLC	E95A7DC261	Major Contractor + 1 more	Jun 30, 2027
Putnam, CT	COMMERCIAL ROOFING & CONTRACTING INC	E63FA4523F	Major Contractor	Jun 30, 2027
Rocky Hill, CT	COMMERCIAL TEN LLC COMMERCIAL SERVICES REALTY	30CCF54FF2	Major Contractor	Jun 30, 2027
Rockland, MA	COMMONWEALTH BUILDING INC	8D43ADF063	Major Contractor	Jun 30, 2027
Wakefield, MA	COMMTANK INC	9BD7B52826	Major Contractor	Jun 30, 2027
Tampa, FL	COMPASS BUILDING SERVICES LLC	2F94D5C495	Major Contractor	Jun 30, 2027
New York, NY	COMPLETE CONSTRUCTION CONTRACTING CORP	2258CC4450	Major Contractor	Jun 30, 2027
Clay City, KY	COMPLETE CONTRACTING LLC OF KENTUCKY	2FD6EF0407	Major Contractor	Jun 30, 2027
Columbus, GA	COMPOSITE CONSTRUCTION SYSTEMS INC	4D1C110384	Major Contractor	Jun 30, 2027
Saratoga Springs, NY	CONBOY & MANNION CONTRACTING INC	C8CC0C9BA9	Major Contractor	Jun 30, 2027
Medfield, MA	CONCRETE RESOURCE COMPANY LLC	659F2FDCA8	Major Contractor	Jun 30, 2027
Saint Louis, MO	CONCRETE STRATEGIES LLC	9E240BD4F8	Major Contractor	Jun 30, 2027
Mamaroneck, NY	CONCRETE VENTURES LLC	1A6089C0A8	Major Contractor	Jun 30, 2027
Newington, CT	CONN ACOUSTICS INC	0CC5390D37	Major Contractor	Jun 30, 2027
Peabody, MA	CONNECTICUT AMERICAN CONSTRUCTION CORPORATION	7DB0E1FB46	Major Contractor	Jun 30, 2027
West Hartford, CT	CONNECTICUT BOILER REPAIR AND MANUFACTURING CO INC	8EF4523F35	Major Contractor + 1 more	Jun 30, 2027
Rocky Hill, CT	CONNECTICUT CARPENTRY CORP	6554D49185	Major Contractor + 2 more	Jun 30, 2027
Middletown, CT	CONNECTICUT MASON CONTRACTORS INC	C0901E28D2	Major Contractor	Jun 30, 2027
W Haven, CT	CONNECTICUT ROOFCRAFTERS LLC	AF72F1C366	Major Contractor + 2 more	Jun 30, 2027
Deptford, NJ	CONNOR CONSTRUCTION LLC	A43A503E26	Major Contractor	Jun 30, 2027
Willoughby Hills, OH	CONRIC CONSTRUCTION INC	30EA6EB0CC	Major Contractor	Jun 30, 2027
Milford, MA	CONSIGLI CONSTRUCTION CO INC	858493BFA2	Major Contractor	Jun 30, 2027
Baltimore, MD	CONSTELLATION NEWENERGY INC	28AACAD9D0	Major Contractor	Jun 30, 2027
Beverly, MA	CONSTRUCTION MANAGEMENT & BUILDERS INC	5A0676F3EF	Major Contractor	Jun 30, 2027
Middlebury, CT	CONSTRUCTION MANAGEMENT CONSULTANTS LLC	5970461B6D	Major Contractor	Jun 30, 2027
Waterbury, CT	CONSTRUCTION MANAGEMENT SYSTEMS OF AMERICA LLC	A6DE8F05B9	Major Contractor	Jun 30, 2027
Columbus, OH	CONSTRUCTION ONE INC	E4733CB6F0	Major Contractor	Jun 30, 2027
Plainville, CT	CONSTRUCTION RESOURCES LLC	19E609E88A	Major Contractor	Jun 30, 2027
Hamden, CT	CONSTRUCTION SERVICES OF BRANFORD LLC CSB COMMUNICATIONS	8B097ABEB5	Tv & Radio Dealer + 3 more	Aug 31, 2027
Glastonbury, CT	CONSTRUCTION SERVICES OF SOMERSET INC S/L/A/M COLIABORATIVE CONSTRUCTION SVCS	8D9600348D	Major Contractor	Jun 30, 2027
Raynham, MA	CONSTRUCTION SOURCE MANAGEMENT LLC	3B94CE539D	Major Contractor	Jun 30, 2027
Hartford, CT	CONSTRUX CO LLC	41E323C49C	Major Contractor	Jun 30, 2027
Annapolis, MD	CONTINENTAL CONTRACTORS INC	7280C527FC	Major Contractor	Jun 30, 2027
Manchester, NH	CONTRACTOR CONSTRUCTION LLC	6CE6C48364	Major Contractor	Jun 30, 2027
Centerville, UT	COOK BUILDERS INC	D875CF6582	Major Contractor	Jun 30, 2027
Shelbyville, TN	COOPER'S STEEL FABRICATORS INC	4D60EAF634	Major Contractor	Jun 30, 2027
Plymouth, CT	COOREP INC	688D81FA5D	Major Contractor	Jun 30, 2027
Ringwood, NJ	COPPOLA SERVICES INC	E9067894A4	Major Contractor	Jun 30, 2027
Willimantic, CT	Corbett HVAC Services, LLC	30942E8043	Apprenticeship Sponsor + 1 more	Jun 30, 2027
Plainville, CT	CORE BUILDUP LLC (THE)	833DDEE8C1	Major Contractor	Jun 30, 2027
Thomaston, CT	CORESLAB STRUCTURES (CONN) INC	2018D446A1	Major Contractor	Jun 30, 2027
Swansea, MA	CORNERSTONE DESIGN / BUILD SERVICES INC	3FFB629A69	Major Contractor	Jun 30, 2027
Brownsburg, IN	CORNERSTONE INDUSTRIES CORP	C68C421803	Major Contractor	Jun 30, 2027
Brookfield, CT	CORPORATE CONSTRUCTION SRBA LLC	64BE02A080	Major Contractor + 1 more	Jun 30, 2027
Houston, TX	COTTON COMMERCIAL USA INC	584D0A18BB	Asbestos Contractor + 2 more	Sep 30, 2027
White Plains, NY	COYLE CONTRACTING CORP	A586B21C67	Major Contractor	Jun 30, 2027
Chalfont, PA	CP RANKIN LLC	3378CE14DD	Major Contractor	Jun 30, 2027
Hamden, CT	CRAFTSMEN GENERAL CONTRACTORS LLC	9E17632FB6	Major Contractor + 1 more	Jun 30, 2027
Stamford, CT	CRAFTWISE HOME SOLUTIONS LLC	EAFA2AB0F0	Major Contractor + 1 more	Jun 30, 2027
Northbrook, IL	CRANE CONSTRUCTION COMPANY LLC	1114D13E0E	Major Contractor	Jun 30, 2027
Newton Lower Falls, MA	CRANSHAW CONST OF NEW ENGLAND L P	7AD80FE29C	Major Contractor	Jun 30, 2027
New Britain, CT	CRISTIANO AND SON PAINTING & CONSTRUCTION INC	CC831780F3	Major Contractor	Jun 30, 2027
North Oxford, MA	CROCKER ARCHITECTURAL SHEET METAL CO INC	0AD3D2F65E	Major Contractor	Jun 30, 2027
Springfield, MA	CROCKER BUILDING CO INC	2E71DFF623	Major Contractor	Jun 30, 2027
New York, NY	CROSS MANAGEMENT CORP	4EBF37A783	Major Contractor	Jun 30, 2027
Orlando, FL	CRYSTAL HOSPITALITY GROUP INC	CADDC005E5	Major Contractor	Jun 30, 2027
Southington, CT	CT MASONS LLC	83ACCD2C83	Major Contractor	Jun 30, 2027
Hawthorne, NY	CULBERTSON COMPANY OF NEW YORK	3C1C842244	Major Contractor	Jun 30, 2027
Manchester, CT	CUSTOM ELECTRIC INC	4C46206DA6	Major Contractor + 1 more	Jun 30, 2027
Waterbury, CT	CUSTOM PRINTING SIGNS SHIRTS & DECALS LLC	E5BB7E03FA	Major Contractor	Jun 30, 2027
Vernon Rockville, CT	CUTTER ENTERPRISES LLC	B0FBAB2092	Major Contractor	Jun 30, 2027
Berlin, CT	CW CONTRACTING LLC CWC LLC	CCBEE7D8C5	Major Contractor + 1 more	Jun 30, 2027
Plainville, CT	CWPM LLC	2531B68427	Operator of Weighing & Measuring Devices + 2 more	Jul 31, 2027
North Branford, CT	D & A CONSTRUCTION MGMT/GEN CONTR INC	D165164D20	Major Contractor	Jun 30, 2027
Tolland, CT	D & H MECHANICAL SERVICE LLC	B0E694B365	Apprenticeship Sponsor + 2 more	Jun 30, 2027
Ridgefield, CT	D & J FINER HOMES CORPORATION	553CE770DD	Major Contractor	Jun 30, 2027
Seekonk, MA	D F PRAY INC	020EB6B453	Major Contractor	Jun 30, 2027
Hartford, CT	D H BOLTON INC	F08CFD95C4	Major Contractor	Jun 30, 2027
Bristol, CT	D'Amato Construction Co., Inc.	D1B4CC5A3E	Demolition Contractor + 3 more	Sep 30, 2027
Old Saybrook, CT	D/E/F SERVICES GROUP LTD	2F9A2EF7FE	Major Contractor + 4 more	Jun 30, 2027
Natick, MA	DACON CORPORATION	6529FC47CC	Major Contractor	Jun 30, 2027
Shaftsbury, VT	DAILEY PRECAST LLC	7ECE9F697C	Major Contractor	Jun 30, 2027
S Windsor Ct, CT	DAILY GRIND CONSTRUCTION LLC	AC3D72A22B	Major Contractor	Jun 30, 2027
Stratford, CT	DALLING CONSTRUCTION INC	DF3EF84A6F	Major Contractor + 1 more	Jun 30, 2027
New Haven, CT	DANIEL O'CONNELL'S SONS INC	363EAC3E23	Major Contractor	Jun 30, 2027
Wethersfield, CT	DANIELLE LLC	E6690EF3A5	Major Contractor + 1 more	Jun 30, 2027
Louisville, KY	DANT CLAYTON CORPORATION	D47E953B79	Major Contractor	Jun 30, 2027
New York, NY	DARBY CONSTRUCTION SERVICES LLC	DF4983C2AA	Major Contractor	Jun 30, 2027
Lagrangeville, NY	DARLIND ASSOCIATES INC	26D1513F23	Major Contractor	Jun 30, 2027
Irving, TX	DAVACO OF CONNECTICUT LIMITED PARTNERSHIP DAVACO LP	FB9815C32F	Major Contractor	Jun 30, 2027
Livermore, CA	DAVEY TREE SURGERY COMPANY	661BC4FE18	Major Contractor	Jun 30, 2027
Williamsburg, VA	DAVID A NICE BUILDERS INC	7237C6983A	Major Contractor	Jun 30, 2027
Wilton, CT	DAVID DEVELOPMENT LLC	12E48AA76C	Major Contractor + 1 more	Jun 30, 2027
Avon, CT	DAVID T MORIZIO	6EB5C6CFD1	Major Contractor + 2 more	Jun 30, 2027
Greenwich, CT	DAVIS HILL DEVELOPMENT LLC	8C4A929976	Major Contractor	Jun 30, 2027
Lancaster, PA	DAY & ZIMMERMANN NPS INC	7E66A1CD61	Major Contractor	Jun 30, 2027
North Haven, CT	DC CORP INCLUDING CEM LLC	8C834631F3	Major Contractor	Jun 30, 2027
Mays Landing, NJ	DCO ENERGY LLC	BAE4341484	Major Contractor	Jun 30, 2027
Commerce City, CO	DCPS CONTRACTING, LLC	1989ADC379	Major Contractor	Jun 30, 2027
Glen Mills, PA	DDP ROOFING SERVICES INC	DAD852F892	Major Contractor	Jun 30, 2027
Wyoming, MI	DE JAGER CONSTRUCTION INC	0A3CB340A7	Major Contractor	Jun 30, 2027
Bristol, CT	DEANGELO CONTRACTING INC	4E5AA5793A	Major Contractor	Jun 30, 2027
Taylor, MI	DEARBORN MID-WEST COMPANY LLC	E5BC71A5D7	Major Contractor	Jun 30, 2027
Wallingford, CT	DEBAISE CONSTRUCTION CO INC DeBaise Construction Co.	A848A07527	Major Contractor	Jun 30, 2027
Fairfield, CT	DELAURENTIS DEVELOPMENTS LLC	F54E4DF979	Major Contractor + 2 more	Jun 30, 2027
Crystal Lake, IL	DELAUTER DEVELOPMENT INC	2E185C9AC5	Major Contractor	Jun 30, 2027
Phoenixville, PA	DELAWARE VALLEY PAVING INC	8E3E38147D	Major Contractor	Jun 30, 2027
Bridgeport, CT	DELCON INDUSTRIES LLC	0DDB4537A4	Major Contractor	Jun 30, 2027
North Kingstown, RI	DELFINO CORPORATION	AB76F0DD44	Major Contractor	Jun 30, 2027
Round Rock, TX	DELL PRODUCT AND PROCESS INNOVATION SERVICES CORP	3FC67EFD3C	Major Contractor	Jun 30, 2027
Ellington, CT	DELRAY CONTRACTING INC	521CEF5BCD	Major Contractor	Jun 30, 2027
Glastonbury, CT	DELTA COMMERCIAL INTERIORS INC	F6177C216C	Major Contractor	Jun 30, 2027
Menomonee Falls, WI	DELTA T CONSTRUCTION CO INC	82E89FDA6B	Major Contractor	Jun 30, 2027
Massapequa, NY	DEMARTINO CONSTRUCTION COMPANY INC	0A0241C0E9	Major Contractor	Jun 30, 2027
Wallingford, CT	DEMARTINO DEVLOPMENT & CONSTRUCTION LLC	FF283D9E48	Major Contractor	Jun 30, 2027
Stonington, CT	DENALI CONSTRUCTIONS LLC	965E488BDC	Major Contractor	Jun 30, 2027
Springfield, MA	DENNIS ENGINEERING GROUP LLC (THE)	9EFB5AFCA4	Major Contractor	Jun 30, 2027
Scottsdale, AZ	DEPCOM POWER INC	5FA24E0118	Major Contractor	Jun 30, 2027
Ellington, CT	DESCO PROFESSIONAL BUILDERS INC	09C1A530F5	Demolition Contractor + 2 more	Aug 31, 2027
Concord, NH	DESIGN GROUP FACILITY SOLUTIONS INC	43484EA8B9	Major Contractor	Jun 30, 2027
Enfield, CT	DESIGN TO FINISH GENERAL CONTRACTING INC	2A848D54F6	Major Contractor + 1 more	Jun 30, 2027
Franklin, TN	DESIGNED CONVEYOR SYSTEMS LLC	BE8AFC6D46	Major Contractor	Jun 30, 2027
New York, NY	DESIMONE BUILDERS LLC	3970E922D6	Major Contractor	Jun 30, 2027
Brooklyn, CT	DEXTER LANDSCAPING & MASONRY SUPPLY LLC DEXTER MASONRY	7FA922526C	Major Contractor	Jun 30, 2027
Easton, CT	DFW BUILDING COMPANY LLC	8A84E07186	Major Contractor	Jun 30, 2027
Mount Vernon, NY	DGC CAPITAL CONTRACTING CORP	0284FD4C9C	Major Contractor	Jun 30, 2027
Sheridan, WY	DGEN ENERGY PARTNERS INC	B59DC74515	Major Contractor	Jun 30, 2027
Pittsburgh, PA	DGI-MENARD INC MENARD USA	B56491BFBF	Major Contractor + 1 more	Jun 30, 2027
New Hyde Park, NY	DHI CONSTRUCTION SERVICES INC	5FFD55444E	Major Contractor	Jun 30, 2027
Troy, MI	DIAMA-SHIELD LLC	0C7FED7D1F	Major Contractor	Jun 30, 2027
Lees Summit, MO	DIAMOND CONTRACTORS INC	247FBE656B	Major Contractor	Jun 30, 2027
Waterford, CT	DICIN ELECTRIC CO INC	E424921C5B	Major Contractor	Jun 30, 2027
Wethersfield, CT	DICIOCCIO BROTHERS INC	AC8D8B9A71	Major Contractor	Jun 30, 2027
Vienna, VA	DIGNEY YORK ASSOCIATES LLC	25048E3F50	Major Contractor	Jun 30, 2027
Rochester, NY	DIMARCO CONSTRUCTORS LLC	4DC077A36C	Major Contractor	Jun 30, 2027
Johnston, RI	DIMEO CONSTRUCTION COMPANY	A6F3F2F7D3	Major Contractor + 1 more	Jun 30, 2027
Wallingford, CT	DIRECTIONAL TECHNOLOGIES INC	F07F37EE38	Major Contractor	Jun 30, 2027
Portland, CT	DISASTER RESTORATION SERVICES LLC	B0123F79FC	Major Contractor + 1 more	Jun 30, 2027
Schenectady, NY	DISTRIBUTED SOLAR OPERATIONS LLC	F0007325C7	Major Contractor	Jun 30, 2027
Wallingford, CT	DIVERSITY CONSTRUCTION GROUP LLC	8291CFEFB3	Major Contractor + 1 more	Jun 30, 2027
La Follette, TN	DIXIE ROOFING INC	24445B13CA	Major Contractor	Jun 30, 2027
Northborough, MA	DIXON OF MASSACHUSETTS INC DIXON INC	3281692C08	Major Contractor + 1 more	Jun 30, 2027
Wallingford, CT	DJ ANDRADE CONSTRUCTION LLC	5B3AC420EE	Major Contractor + 1 more	Jun 30, 2027
Glastonbury, CT	DJB BUILDING & CONSTRUCTION LLC	271582C63B	Major Contractor	Jun 30, 2027
Wakefield, MA	DN TANKS LLC DN TANKS OF CONNECTICUT, LLC	2D41BDA789	Major Contractor + 1 more	Jun 30, 2027
Hartford, CT	DND BUILDING COMPANY LLC	AA7C57DB39	Major Contractor	Jun 30, 2027
Stratford, CT	DOMACK RESTORATION LLC	DD2BD55773	Major Contractor + 2 more	Jun 30, 2027
Sioux Falls, SD	DON KAUERS CONSTRUCTION LLC	5F007F22D5	Major Contractor	Jun 30, 2027
Orange, CT	DON'S CONSTRUCTION SERVICES LLC	28DD833630	Major Contractor	Jun 30, 2027
Hanover, PA	DONALD B. SMITH INCORPORATED	637B9A1E40	Major Contractor	Jun 30, 2027
Schaumburg, IL	DONALD R BORG CONSTRUCTION CO INC	0E6005C0DB	Major Contractor	Jun 30, 2027
Wayne, NJ	DONNELLY INDUSTRIES INC DONNELLY CONSTRUCTION	1B10848C54	Major Contractor + 1 more	Jun 30, 2027
Indianapolis, IN	DORMAKABA USA INC	DC1E8E4E68	Major Contractor	Jun 30, 2027
Smithfield, RI	DOUGLAS CONSTRUCTION AND SUPPLY CORP	8C5B1DC7B2	Major Contractor	Jun 30, 2027
New Britain, CT	DOWNES CONSTRUCTION COMPANY LLC	F569BEA471	Major Contractor	Jun 30, 2027
Sacramento, CA	DPR CONSTRUCTION, A GENERAL PARTNERSHIP	A5D73B811A	Major Contractor	Jun 30, 2027
Galveston, TX	DRC EMERGENCY SERVICES LLC	A74F90A69E	Major Contractor	Jun 30, 2027
East Hampton, CT	DREAM DEVELOPERS OF CONNECTICUT LLC	2587F5AB92	Major Contractor + 1 more	Jun 30, 2027
Downers Grove, IL	DSI HOLDINGS CORPORATION SERVICEMASTER DSI	CBA2F7CCCE	Major Contractor + 1 more	Jun 30, 2027
Manchester, CT	DUBALDO CONSTRUCTION & MANAGEMENT LLC	EB2E96AD13	Major Contractor	Jun 30, 2027
Waterford, MI	DUGAN BUILDING COMPANY	D9D8A9C933	Major Contractor	Jun 30, 2027
Manchester, CT	DYNA CONSTRUCTION LLC	718D6522D6	Major Contractor + 1 more	Jun 30, 2027
Wallingford, CT	DYNAMIC AUTO SALE LLC	268782F409	Major Contractor	Jun 30, 2027
Greenwood, CA	DYNAMIC TRADES INC	1358CDFDB2	Major Contractor	Jun 30, 2027
East Hartford, CT	E & C MAINTENANCE AND GENERAL SERVICES LLC	76D138CF56	Major Contractor + 1 more	Jun 30, 2027
Danbury, CT	E & F CONSTRUCTION COMPANY	EB73785E32	Major Contractor	Jun 30, 2027
Hanover, MD	E & S CONSTRUCTION ENGINEERS INC	48F122AE35	Professional Engineering Firm + 1 more	Oct 18, 2027
Westbrook, ME	E. S. BOULOS COMPANY	51D69240C1	Major Contractor	Jun 30, 2027
Bloomfield, CT	EAGLE RIVET ROOF SERVICES LLC	194E39210F	Major Contractor + 1 more	Jun 30, 2027
Niles, IL	EAGLE TRADING INTERNATIONAL CORP ROOFINGSOURCE	73F57A3523	Major Contractor	Jun 30, 2027
Prospect, CT	EARTH CORE ENERGY SERVICES LLC	753372463A	Major Contractor + 1 more	Jun 30, 2027
Coventry, CT	EARTH DYNAMICS LLC	D454C4CEEF	Major Contractor + 2 more	Jun 30, 2027
Danbury, CT	EARTHMOVERS INC	0FDCBBC073	Major Contractor	Jun 30, 2027
Gorham, ME	EAST COAST COMMUNICATIONS LLC	3DB4943C38	Major Contractor	Jun 30, 2027
Durham, CT	EAST COAST WALL SYSTEMS LLC	A07B693B50	Major Contractor	Jun 30, 2027
Uncasville, CT	EAST CONSTRUCTION LLC	12218EF430	Major Contractor + 2 more	Jun 30, 2027
Milford, CT	EASTERN METAL WORKS INC	AE59556943	Major Contractor	Jun 30, 2027
Terryville, CT	EASTERN STEEL ERECTORS LLC	A2E50061C5	Major Contractor	Jun 30, 2027
Lewiston, ME	EATON CORPORATION	4B54F13CD7	Professional Engineering Firm + 1 more	Jul 16, 2027
Stamford, CT	EBEN EZER ROOFING LLC	5AD7213E8A	Major Contractor	Jun 30, 2027
Norwalk, CT	EC RENOVATIONS LLC	C53F33A013	Major Contractor + 1 more	Jun 30, 2027
Congers, NY	ECD NY INC	AF0C216BF0	Major Contractor	Jun 30, 2027
Centennial, CO	ECG HOLDINGS LLC	7383EE6911	Major Contractor	Jun 30, 2027
Canton, OH	ECKINGER CONSTRUCTION COMPANY	F65B6999F6	Major Contractor	Jun 30, 2027
Bloomfield, CT	EDIDEL CONSTRUCTION LLC	060A45DE31	Major Contractor + 1 more	Jun 30, 2027
Manchester, CT	EH&N CONSTRUCTION CO	3AC2D99C4C	Major Contractor	Jun 30, 2027
Pantego, TX	EHRLICH DESIGN BUILDERS INC	3B0302C0C7	Major Contractor	Jun 30, 2027
Midlothian, VA	EILERSON DEVELOPMENT CORPORATION	D68C23DB29	Major Contractor	Jun 30, 2027
Quincy, MA	EJS DEVELOPMENT LLC	EB89AB0BF3	Major Contractor	Jun 30, 2027
Bloomington, MN	ELDER-JONES INC	BA205CCEFF	Major Contractor	Jun 30, 2027
Hartford, CT	ELECTRICAL CONTRACTORS INC	7DA1269C13	Major Contractor + 1 more	Jun 30, 2027
Lynden, WA	ELEMENTS OF HOSPITALITY INC	E1D69C0C6C	Major Contractor	Jun 30, 2027
Villa Rica, GA	ELEVATE STRUCTURES LLC	925B674CBC	Major Contractor	Jun 30, 2027
Cortland, NY	ELEVATED CONSULTING LLC	74463F0235	Major Contractor	Jun 30, 2027
Adairsville, GA	ELEVATED STEEL, LLC	398AB9E5CC	Major Contractor	Jun 30, 2027
Fitchburg, MA	ELITE CONSTRUCTION & DESIGN INC	476BF89B63	Major Contractor + 1 more	Jun 30, 2027
Wallingford, CT	ELITE CONSTRUCTION RESOURCES LLC	250C6F403B	Major Contractor + 1 more	Jun 30, 2027
Westfield, MA	ELM ELECTRICAL INC ONE DEVELOPMENT & CONSTRUCTION	67DE408296	Major Contractor	Jun 30, 2027
Milford, CT	EMA CONSTRUCTION SERVICES INC	8D2B9BBE12	Major Contractor	Jun 30, 2027
Warren, NJ	EMERALD CONTRACTING CORP	3FD07B3A07	Major Contractor	Jun 30, 2027
Chattanooga, TN	EMJ CONSTRUCTION	8A084CD1D6	Major Contractor	Jun 30, 2027
Tuckahoe, NY	EMPIRE GENERAL CONTRACTING & PAINTING CORP	14EBA81734	Major Contractor	Jun 30, 2027
Somers, CT	EMPIRE STONE LLC	A0C216F3A8	Major Contractor	Jun 30, 2027
Bloomington, MN	ENCLOS CORP	D6A7565C68	Major Contractor	Jun 30, 2027
Glastonbury, CT	ENERGY SERVICES LLC	49118D6F63	Major Contractor	Jun 30, 2027
Newburgh, IN	ENERGY SYSTEMS GROUP LLC	A45CBB8456	Major Contractor	Jun 30, 2027
Enfield, CT	ENFIELD BUILDERS INC	47651FCAAA	Major Contractor	Jun 30, 2027
Springfield, MA	ENFIELD ENTERPRISES LLC	837DF852AA	Major Contractor	Jun 30, 2027
Enfield, CT	ENFIELD TRANSIT MIX INC	E23D6879AA	Major Contractor	Jun 30, 2027
Bentonville, AR	ENFORMED CONSTRUCTION SERVICES LLC	BA6B24B01D	Major Contractor	Jun 30, 2027
Bloomfield, CT	ENGINEERED BUILDING PRODUCTS INC	13BE37C9A9	Major Contractor	Jun 30, 2027
Plainfield, CT	ENGINEERED CONST INTN'L INC	F10C5A3BE0	Major Contractor	Jun 30, 2027
Meridian, ID	ENGINEERED STRUCTURES INC	E61F18AC6E	Major Contractor	Jun 30, 2027
Lemont, IL	ENGLEWOOD CONSTRUCTION INC	9D089B1FA7	Major Contractor	Jun 30, 2027
Westmont, IL	ENTACT LLC	5CB359EDB3	Major Contractor	Jun 30, 2027
Newington, CT	ENTERPRISE BUILDERS INC	6CEC972012	Major Contractor	Jun 30, 2027
New Haven, CT	ENTERPRISE PLUMBING & HEATING INCORPORATED	353F599BED	Major Contractor	Jun 30, 2027
Ridgefield, CT	EPC MANAGEMENT LLC	A6DBE81838	Major Contractor	Jun 30, 2027
Billings, MT	EPC SERVICES COMPANY	A7AF41E5CC	Major Contractor	Jun 30, 2027
San Francisco, CA	ERGEON INC	CE1AEB397D	Major Contractor + 1 more	Jun 30, 2027
Plano, TX	ERICSSON INC	1F5940A4ED	Tv & Radio Dealer + 1 more	Aug 31, 2027
Burlington, MA	ERLAND CONSTRUCTION INC	688E3A531F	Major Contractor	Jun 30, 2027
Hartford, CT	ERNEST PETERSON INC	A9A9571B4E	Major Contractor	Jun 30, 2027
Hartland, WI	ESI CONSTRUCTORS INC	ECD0E4B231	Major Contractor	Jun 30, 2027
Thornwood, NY	ESTATE DEVELOPERS INC	40FB0BD3E7	Major Contractor + 1 more	Jun 30, 2027
Ramsey, NJ	ETC COMPANIES LLC	68191B8803	Major Contractor	Jun 30, 2027
Alpharetta, GA	EVANS GENERAL CONTRACTORS LLC	C44D5B9D96	Major Contractor	Jun 30, 2027
New York, NY	EXA USA CORP	221AD284CF	Major Contractor	Jun 30, 2027
New York, NY	EXCEL INTERIOR CONSTRUCTION CORP	7640A716AD	Major Contractor	Jun 30, 2027
Newington, CT	EXCLUSIVE PROPERTY MANAGEMENT LLC	F98EC40E0A	Major Contractor	Jun 30, 2027
North Haven, CT	EXECUTIVE LANDSCAPING INC.	768F96C1E0	Pesticide Application Business Registration + 2 more	Aug 31, 2027
Fort Myers, FL	EXPERT ROOFING AND CONSTRUCTION LLC	84AC354392	Major Contractor	Jun 30, 2027
Hamden, CT	F & L ELECTRIC INC	DB1485AE6C	Major Contractor	Jun 30, 2027
Northford, CT	F J DAHILL CO INC	C22E0D4676	Major Contractor + 1 more	Jun 30, 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.