| LALinde Advanced Material Technologies INC | North Haven | CT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| 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 |
| 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 |
| KKKathies Kitchen LLC | North Haven | CT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| MFMarlin Firearms CO | North Haven | CT | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| NCNiklyn CORP | North Haven | CT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NSNortheast Sign Company LLC | North Haven | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PHParker Hannifin | North Haven | CT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation, Apbu Dodge Ave | North Haven | CT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RMRichard Montanari Jr. | North Haven | CT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SPSolidification Products International, INC | North Haven | CT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TITechmold Industries, INC. | North Haven | CT | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
