Abbott Ball Company the | West Hartford | 20–99 | ● ACTIVE |
A B & F Sheet Metal Products INC. | Cheshire | 1–19 | ● ACTIVE |
| AIAccel International Holdings, INC. | Meriden | 100–499 | ● ACTIVE |
| AAAccurate Acquisition LLC | Stamford | 1–19 | ● ACTIVE |
Accu-rite Tool & Manufacturing CO INC | Tolland | 1–19 | ● ACTIVE |
Accu-tek Engineering, INC | Plantsville | 1–19 | ● ACTIVE |
| ACAcme-monaco Corporation | New Britain | 100–499 | ● ACTIVE |
| AWAcme Wire Products Company, Inc. | Mystic | 20–99 | ● ACTIVE |
| AIAcmt, INC. | Manchester | 20–99 | ● ACTIVE |
Advanced Graphics, Incorporated | Stratford | — | ● ACTIVE |
Advanced Machining Technologies L.l.c | Plainville | — | ● ACTIVE |
Advanced Manufacturing LLC | Windsor | — | ● ACTIVE |
| APAdvanced Performance Glass INC | East Hartford | 20–99 | ● ACTIVE |
Advanced Torque Products, LLC | Newington | 1–19 | ● ACTIVE |
| AEAeis Engineered Inserts & Systems INC. | Milford | 1–19 | ● ACTIVE |
| AIAir-lock, Incorporated | Milford | 20–99 | ● ACTIVE |
| ATA.j. Tool Company, INC | Newington | 1–19 | ● ACTIVE |
Alinabal LLC | Milford | 100–499 | ● ACTIVE |
Allegion Access Technologies LLC | Farmington | 100–499 | ● ACTIVE |
Alpha Q, INC. | Colchester | 100–499 | ● ACTIVE |
| AFAluminum Finishing Company | Bridgeport | 20–99 | ● ACTIVE |
| AEAmerican Electro Prods INC | Waterbury | 100–499 | ● ACTIVE |
| AHAmerican Heat Treating | Monroe | 20–99 | ● ACTIVE |
| ASAmerican Sleeve Bearing | Stafford Springs | 20–99 | ● ACTIVE |
American Specialty Products LLC | Vernon Rockville | 1–19 | ● ACTIVE |
Amk Welding INC. | South Windsor | 20–99 | ● ACTIVE |
Amtec CORP | Plainfield | 1–19 | ● ACTIVE |
| AEAnco Engineering, INC | Shelton | 20–99 | ● ACTIVE |
| ABAqua Blasting CORP | Bloomfield | 1–19 | ● ACTIVE |
| AMArchitectural Metals LLC | Mystic | 1–19 | ● ACTIVE |
Armoloy of Connecticut, INC. | Bristol | 1–19 | ● ACTIVE |
Assa Abloy INC | New Haven | 500+ | ● ACTIVE |
Astro Aircom LLC | Bloomfield | 1–19 | ● ACTIVE |
Atlantic Fabricating Co., INC. | East Granby | 1–19 | ● ACTIVE |
| AVAtlantic Ventilating & Equipment Co., Inc. | Cromwell | 1–19 | ● ACTIVE |
B & a Company, INC. | Milford | 20–99 | ● ACTIVE |
| BMBarlow Metal Stamping, INC. | Bristol | 1–19 | ● ACTIVE |
| BTBaron Technologies INC | Milford | 20–99 | ● ACTIVE |
| BPBass Plating Company, the | Bloomfield | 20–99 | ● ACTIVE |
Bead Industries INC | Milford | 20–99 | ● ACTIVE |
Ben Hughes Communication Products CO. | Chester | 1–19 | ● ACTIVE |
B. & F. Machine Co., INC. | New Britain | 100–499 | ● ACTIVE |
Bmi Cad Services, INC. | Simsbury | — | ● ACTIVE |
Bodycote Thermal Processing, INC | Berlin | 20–99 | ● ACTIVE |
| BWBoudreau's Welding Co., INC. | Dayville | 1–19 | ● ACTIVE |
Bourdon Forge CO INC | Middletown | 20–99 | ● ACTIVE |
Braxton Manufacturing Company, INC. | Watertown | — | ● ACTIVE |
| BTBridgeport Tool & Stamping CO | Bridgeport | 1–19 | ● ACTIVE |
Bull Metal Products, INC. | Middletown | 20–99 | ● ACTIVE |
Burke Precision Machine Company, Incorporated | East Granby | 1–19 | ● ACTIVE |