Companies headquartered in Connecticut, by prime awards since FY2021
Rows 1–100 of 2,327, largest first
| Company | City | Primary industry (NAICS) | Prime awards since FY2021 |
|---|---|---|---|
| Electric Boat Corporation | Groton | 336611 Ship Building and Repairing | $70.2B |
| RTX CorporationEast Hartford, CT · UEI QN1BCFY7JDJ5 | East Hartford | 336412 Aircraft Engine and Engine Parts… | $36.1B |
| Sikorsky Aircraft Corporation | Stratford | 336411 Aircraft Manufacturing | $26.3B |
| Hamilton Sundstrand Corporation | Windsor Locks | 336412 Aircraft Engine and Engine Parts… | $1.12B |
| Gartner, Inc. | Stamford | 541519 Other Computer Related Services | $762M |
| Regan Technologies Corp. | Middletown | 541511 Custom Computer Programming Services | $645M |
| Celeen LLC | Mashantucket | 541614 Process, Physical Distribution… | $377M |
| Sonalysts Inc. | Waterford | 541715 Research and Development… | $374M |
| Mclaughlin Research Corporation | New London | 541330 Engineering Services | $338M |
| Cw Resources, Inc. | New Britain | 561210 Facilities Support Services | $333M |
| Applied Physical Sciences Corp. | Groton | 541330 Engineering Services | $325M |
| Emprise Corporation | Ledyard | 541330 Engineering Services | $247M |
| Ethan Allen Retail, Inc. | Danbury | 337122 Nonupholstered Wood Household Furniture… | $211M |
| Pitney Bowes Inc. | Shelton | 532420 Office Machinery and Equipment Rental… | $208M |
| Danbury Mission Technologies, LLC | Danbury | 333310 Commercial and Service Industry… | $206M |
| Triumph Engine Control Systems LLC | West Hartford | 336412 Aircraft Engine and Engine Parts… | $180M |
| Ipsos Public Affairs, LLC | Norwalk | 541611 Administrative Management and General… | $176M |
| Ameritech Contracting LLC | Meriden | 236220 Commercial and Institutional Building… | $176M |
| Ensign-bickford Aerospace & Defense Company | Simsbury | 336415 Guided Missile and Space Vehicle… | $174M |
| Colt's Manufacturing Company, LLC | West Hartford | 332994 Small Arms, Ordnance, and Ordnance… | $165M |
| WWC Global LLC | Mashantucket | 541611 Administrative Management and General… | $164M |
| The Nutmeg Companies, Inc. | Norwich | 236220 Commercial and Institutional Building… | $123M |
| Moran Towing Corporation | New Canaan | 488330 Navigational Services to Shipping | $118M |
| Yale New Haven Health Services Corporation | New Haven | 541990 All Other Professional, Scientific… | $115M |
| The Hartford Provision Company | South Windsor | 424410 General Line Grocery Merchant… | $109M |
| Treadwell Corporation (delaware) | Thomaston | 333998 All Other Miscellaneous General Purpose… | $96.4M |
| Amerifield JV LLC | Meriden | 236220 Commercial and Institutional Building… | $91.6M |
| Drew Marine USA Inc. | Waterbury | 325998 All Other Miscellaneous Chemical… | $82.3M |
| Murray Benjamin Electric Company LLC | Stamford | 423610 Electrical Apparatus and Equipment… | $76.6M |
| Linde Inc. | Danbury | 325120 Industrial Gas Manufacturing | $61.5M |
| United Rentals, Inc. | Stamford | 532490 Other Commercial and Industrial… | $60.4M |
| Connecticut Container Corp. | North Haven | 322211 Corrugated and Solid Fiber Box… | $57.4M |
| PCX Aerostructures, LLC | Newington | 336413 Other Aircraft Parts and Auxiliary… | $56.5M |
| Yale Univ | New Haven | 611310 Colleges, Universities… | $56.1M |
| Cabrera Services Inc. | East Hartford | 562910 Remediation Services | $56.1M |
| Merlin Petroleum Co. Inc. | Westport | 424720 Petroleum and Petroleum Products… | $54M |
| Acmt, Inc. | Manchester | 336412 Aircraft Engine and Engine Parts… | $53.5M |
| Rotair Aerospace Corp. | Bridgeport | 336413 Other Aircraft Parts and Auxiliary… | $43.8M |
| Morganti Group, Inc. The | Danbury | 236220 Commercial and Institutional Building… | $41M |
| Mohawk Northeast Inc. | Plantsville | 237990 Other Heavy and Civil Engineering… | $41M |
| Coastline Consulting & Development, LLC | Branford | 237990 Other Heavy and Civil Engineering… | $40.7M |
| Liquidpiston, Inc. | Bloomfield | 541715 Research and Development… | $40.6M |
| Jackson Ryan Construction Services, Inc. | Suffield | 236220 Commercial and Institutional Building… | $37.3M |
| L.c.doane Company,the | Ivoryton | 335132 Commercial, Industrial… | $35.9M |
| Community Solutions, Inc. | Windsor | 623990 Other Residential Care Facilities | $35.6M |
| Precision Combustion, Inc. | North Haven | 541715 Research and Development… | $35.4M |
| Ocean Surveys, Inc. | Old Saybrook | 541370 Surveying and Mapping (except… | $34.9M |
| Detect Inc. | Guilford | 325413 In-Vitro Diagnostic Substance… | $33.6M |
| Apiject Systems America, Inc. | Stamford | 541714 Research and Development… | $33.5M |
| University Of Connecticut | Storrs | 611310 Colleges, Universities… | $32.8M |
| Kelly Construction Services Inc. | Enfield | 236220 Commercial and Institutional Building… | $32.7M |
| Overhaul Support Services, LLC | East Granby | 336412 Aircraft Engine and Engine Parts… | $32.2M |
| RTX CorporationEast Hartford, CT · UEI KQG9ZKVSELH6 | East Hartford | 541715 Research and Development… | $32.1M |
| TLD America Corporation | Windsor | 333415 Air-Conditioning and Warm Air Heating… | $31.7M |
| Numet Acquisition Numet, Inc. | Orange | 336412 Aircraft Engine and Engine Parts… | $31.4M |
| Advance Development & Manufacturing Corporation | Guilford | 332710 Machine Shops | $31.4M |
| CVS Healthspire Payor & Life Sciences LLC | Hartford | 518210 Computing Infrastructure Providers… | $30.2M |
| Eversource Energy Service Company | Hartford | 221122 Electric Power Distribution | $28M |
| DMT Solutions Global Corporation | Danbury | 561499 All Other Business Support Services | $26.8M |
| Continuum Of Care Inc. | New Haven | 623220 Residential Mental Health and Substance… | $26.8M |
| Quadient, Inc. | Milford | 532420 Office Machinery and Equipment Rental… | $26.4M |
| Survival Systems USA Inc. | Groton | 611512 Flight Training | $26.3M |
| Department Of Public Health Connecticut | Hartford | 923120 Administration of Public Health Programs | $23.6M |
| Simtech, Inc. | East Granby | 423860 Transportation Equipment and Supplies… | $22.8M |
| Schaeffler Aerospace USA Corp. | Danbury | 332991 Ball and Roller Bearing Manufacturing | $22.6M |
| New England Specialty Components, LLC | Windsor Locks | 423710 Hardware Merchant Wholesalers | $22.4M |
| Otis Elevator Company | Farmington | 333921 Elevator and Moving Stairway… | $20.9M |
| B S T Systems, Inc. | Plainfield | 335910 Battery Manufacturing | $20.7M |
| Beacon Industries, Inc. | Newington | 336412 Aircraft Engine and Engine Parts… | $20.3M |
| Mirion Technologies (canberra), Inc. | Meriden | 334516 Analytical Laboratory Instrument… | $20.3M |
| Gilman Corporation The | Gilman | 326199 All Other Plastics Product Manufacturing | $20.3M |
| Centerplate, Inc. | Stamford | 722310 Food Service Contractors | $19.9M |
| Quattro Consulting LLC | Mashantucket | 541511 Custom Computer Programming Services | $19.9M |
| Flight Support, Inc. | North Haven | 336412 Aircraft Engine and Engine Parts… | $19.6M |
| Xerox Corporation | Norwalk | 532420 Office Machinery and Equipment Rental… | $19.5M |
| Municipal Emergency Services, Inc. | Sandy Hook | 333912 Air and Gas Compressor Manufacturing | $19M |
| Mednick Associates, LLC | Wilton | 541199 All Other Legal Services | $18.8M |
| Laz Parking Ltd. LLC | Hartford | 812930 Parking Lots and Garages | $18.5M |
| Qualtech Systems, Inc. | Rocky Hill | 541715 Research and Development… | $18.5M |
| Bagela USA, LLC | Shelton | $18.3M | |
| Milliman, Inc. | Windsor | 541612 Human Resources Consulting Services | $17.6M |
| TRC Environmental Corporation | Windsor | 541620 Environmental Consulting Services | $17.1M |
| Pitney Bowes Global Financial Services LLC | Shelton | 532420 Office Machinery and Equipment Rental… | $16.5M |
| United Rentals (north America), Inc. | Stamford | 532310 General Rental Centers | $16.4M |
| Spectrum Associates, Inc. | Milford | 334419 Other Electronic Component Manufacturing | $16.3M |
| Thames Towboat Co. Inc. | New London | 488330 Navigational Services to Shipping | $16.2M |
| Thayermahan, Inc. | Groton | 334511 Search, Detection, Navigation… | $16.1M |
| Prime Technology LLC | North Branford | 334515 Instrument Manufacturing for Measuring… | $15.4M |
| Capewell Aerial Systems LLC | South Windsor | 336413 Other Aircraft Parts and Auxiliary… | $15.1M |
| Coronet Machinery Corp. | Bethel | 332710 Machine Shops | $14.9M |
| Edro Corporation, The | East Berlin | 333310 Commercial and Service Industry… | $14.8M |
| The Curtis Home | Meriden | 623110 Nursing Care Facilities (Skilled… | $14.6M |
| Eaton Aerospace LLC | Bethel | 334419 Other Electronic Component Manufacturing | $14.6M |
| Linde Gas & Equipment Inc. | Danbury | 325120 Industrial Gas Manufacturing | $14.4M |
| Ethosenergy Accessories And Components, LLC | East Windsor | 811310 Commercial and Industrial Machinery… | $14.3M |
| Air-lock, Incorporated | Milford | 332510 Hardware Manufacturing | $14.1M |
| PNT Data Corp. | Middletown | 518210 Computing Infrastructure Providers… | $13.9M |
| Kaman Aerospace Corporation | Bloomfield | 336411 Aircraft Manufacturing | $13.9M |
| City Of Groton Department Of Utilities | Groton | 221122 Electric Power Distribution | $13.8M |
| Summit Technologies Inc. | Hartford | 541512 Computer Systems Design Services | $13.5M |