Solventum Purification INC. | Meriden | 100–499 | ● ACTIVE |
Abet Technologies, INC | Milford | — | ● ACTIVE |
| PEProton Energy Systems INC | Wallingford | 100–499 | ● ACTIVE |
Quality Engineering Services INC | Wallingford | 20–99 | ● ACTIVE |
Saf Industries LLC | Meriden | — | ● ACTIVE |
A & D Equipment INC | Guilford | — | ● ACTIVE |
| AOAperture Optical Sciences INC. | Meriden | — | ● ACTIVE |
Associated Boiler Line Equipment Co., INC. | Milford | — | ● ACTIVE |
| BPBurt Process Equipment, INC. | Hamden | 100–499 | ● ACTIVE |
Cable Management LLC | Meriden | — | ● ACTIVE |
Carbide Related Technologies, INC. | North Haven | — | ● ACTIVE |
| CEComponent Engineers, INC | Wallingford | — | ● ACTIVE |
Cowles Operating Company | North Haven | — | ● ACTIVE |
Decarb Energy Partners LLC | New Haven | — | ● ACTIVE |
| PEPassion Engineering, LLC | Guilford | — | ● ACTIVE |
Production Equipment Company, the | Meriden | — | ● ACTIVE |
Ross Machinery Sales, INC. | Wallingford | — | ● ACTIVE |
Solidification Products International, INC. | Northford | — | ● ACTIVE |
Sonitek Corporation | Milford | — | ● ACTIVE |
Maco Machinery Co., INC. | North Branford | — | ◐ LIKELY ACTIVE |
Secured Welding, LLC | Hamden | — | ◐ LIKELY ACTIVE |
| ATAPS Tech LLC | Wallingford | 20–99 | ◐ LIKELY ACTIVE |
| DMDrill Masters Eldorado Tool | Milford | 20–99 | ◐ LIKELY ACTIVE |
| FSFries Spinning & Stamping, Incorporated | Wallingford | — | ◐ LIKELY ACTIVE |
| SMSouthwick & Meister, INC. | Meriden | 20–99 | ◐ LIKELY ACTIVE |
| WPWoodland Power Products | West Haven | 20–99 | ◐ LIKELY ACTIVE |
| IIIntergrated Industrial System I2s | Wallingford (yalesville) | — | ◇ UNVERIFIED |
| BSBausch + Stroebel Machine Company, Inc. | Branford | 20–99 | ◐ LIKELY ACTIVE |
| CCC. Cowles & Company and Subsidiaries | North Haven | 20–99 | ◐ LIKELY ACTIVE |
| DCDukane Connecticut | Wallingford | 1–19 | ◐ LIKELY ACTIVE |
Equipment Depot Northeast, Inc. - Wallingford | Wallingford | 1–19 | ◐ LIKELY ACTIVE |
| HMHobson & Motzer, LLC - Wallingford | Wallingford | 20–99 | ◐ LIKELY ACTIVE |
| MBMachine Builders of New England LLC | Milford | — | ▲ REPORTED CLOSED |
| MHMeriden HIS | Meriden | 1–19 | ◐ LIKELY ACTIVE |
| TCThermatool Corp | East Haven | 20–99 | ◐ LIKELY ACTIVE |
| IFIndustrial Flow Solutions Operating LLC | New Haven | — | ◐ LIKELY ACTIVE |
| MCMoon Cutter CO. INC. | Hamden | — | ◇ UNVERIFIED |
| 3N36 Nettleton Ave LLC | North Haven | — | ◇ UNVERIFIED |
| AMAccurate Metal Finishing Supply Co, LLC | Guilford | — | ◇ UNVERIFIED |
| AMAmerican Metal Fabricators, INC | Meriden | — | ◇ UNVERIFIED |
| AMAOS Meriden, LLC | Meriden | — | ◇ UNVERIFIED |
| CCCarlin Combustion Technology INC. | North Haven | — | ◇ UNVERIFIED |
| CCC & C Hydraulics, INC. | Milford | — | ◇ UNVERIFIED |
| CMConnecticut Machine Tooling * Casting, INC. | Milford | — | ◇ UNVERIFIED |
| ESEastern Steel Contracting, LLC | Hamden | — | ◇ UNVERIFIED |
| EEExpert Embroidery, LLC | Wallingford | — | ◇ UNVERIFIED |
| HGH. Goodmaster & Son INC | Wallingford | — | ◇ UNVERIFIED |
| INIndeco North America, INC. | Milford | — | ◇ UNVERIFIED |
| JTJ.f.d. Tube & Coil Products, INC | Hamden | — | ◇ UNVERIFIED |
| LTLab Threads & Gear Works, INC. | Yalesville | — | ◇ UNVERIFIED |