| JIJensen Industries INC. | North Haven | CT | Miscellaneous Manufacturing339114 | 20-99 | ● ACTIVE |
| PHParker Hannifin CORP Apbu Facility | North Haven | CT | Miscellaneous Manufacturing339991 | — | ● ACTIVE |
Ulbrich Shaped Wire, INC. | North Haven | CT | Primary Metal Manufacturing331221 | 20-99 | ● ACTIVE |
| CCConnecticut Container CORP. | North Haven | CT | Paper Manufacturing322211 | 100-499 | ● ACTIVE |
Black Diamond Paving LLC | North Haven | CT | Petroleum and Coal Products Manufacturing324121 | — | ● ACTIVE |
Carbide Related Technologies, INC. | North Haven | CT | Machinery Manufacturing333515 | — | ● ACTIVE |
Cowles Operating Company | North Haven | CT | Machinery Manufacturing333414 | — | ● ACTIVE |
Design Specialties, INC | North Haven | CT | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Hanger Prosthetics & Orthotics, INC | North Haven | CT | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
N&p Estates LLC | North Haven | CT | Transportation Equipment Manufacturing336110 | — | ● ACTIVE |
Sign Lite INC | North Haven | CT | Miscellaneous Manufacturing339950 | — | ● ACTIVE |
Ulbrich Stainless Steels & Special Metals, INC. | North Haven | CT | Primary Metal Manufacturing331221 | — | ● ACTIVE |
Wilde Manufacturing LLC | North Haven | CT | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| CLCovidien LP (formerly U S Surgical CORP /tyco Healthcare Group) | North Haven | CT | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| LALinde Advanced Material Technologies INC | North Haven | CT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
Galen Laboratory Supplies LLC | North Haven | CT | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| AIAlp Industries | North Haven | CT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| JLJeskey, LLC | North Haven | CT | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| OFO F Mossberg & Sons INC | North Haven | CT | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| UAUnited Aluminum CORP | North Haven | CT | Primary Metal Manufacturing331315 | 100-499 | ◐ LIKELY ACTIVE |
| CMComposite Machining Experts, LLC | North Haven | CT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PUPharmacia & Upjohn (former) | North Haven | CT | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BUByk USA LLC | North Haven | CT | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MCMorganite Crucible | North Haven | CT | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PAPratt and Whitney Aircraft Engines | North Haven | CT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| QWQuebecor World Northeast Graphics | North Haven | CT | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| RCRfs Cablewave Systems | North Haven | CT | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - North Haven Plant | North Haven | CT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AGAffordable Granite LLC | North Haven | CT | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| ADAlternative Dental Laboratory | North Haven | CT | Miscellaneous Manufacturing339116 | 20-99 | ◐ LIKELY ACTIVE |
| ASAmazon.com Services LLC - BDL7 | North Haven | CT | Printing and Related Support Activities323117 | 100-499 | ◐ LIKELY ACTIVE |
| ANAvient - NEU | North Haven | CT | Chemical Manufacturing325211 | 1-19 | ◐ LIKELY ACTIVE |
| CCC. Cowles & Company and Subsidiaries | North Haven | CT | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| CPCell Pak | North Haven | CT | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| CWCoppola Wine Enterprises, LLC | North Haven | CT | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| EMEngineered Materials North Haven | North Haven | CT | Miscellaneous Manufacturing339991 | 100-499 | ◐ LIKELY ACTIVE |
| FSFlight Support, INC. | North Haven | CT | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| ISIannucci Spirits, LLC | North Haven | CT | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MIMillwood, Inc. North Haven | North Haven | CT | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| NHNorth Haven | North Haven | CT | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| NHNorth Haven, Ct Hexacomb | North Haven | CT | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| SESchneider Electric EcoFit North Haven | North Haven | CT | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
| SASikorsky Aircraft CORP | North Haven | CT | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| SBSmall Batch Cellars, LLC | North Haven | CT | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| 3N36 Nettleton Ave LLC | North Haven | CT | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| CICircuit-wise INC | North Haven | CT | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CBClopay Building Products | North Haven | CT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| CRCustom Recycling, Inc. | North Haven | CT | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| FSFlight Support, INC. | North Haven | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GEGreystone Enterprises I, Inc. | North Haven | CT | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |