| VVVetter Vineyards Winery | Westfield | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WFWelch's Food Inc. Westfield | Westfield | NY | Food Manufacturing311421 | 20-99 | ◐ LIKELY ACTIVE |
| WPWestfield Plant | Westfield | MA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| WFWest Fork Whiskey Co | Westfield | IN | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| WCWhip City Jerky, LLC | Westfield | MA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| APAutomatic Pool Covers, INC. | Westfield | IN | Textile Product Mills314912 | — | ◇ UNVERIFIED |
 Archer Daniels Midland Company | Westfield | WI | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| AIArnhem, Inc. | Westfield | NJ | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BPB&d Pallet,building and Industrial Supply Co.,inc | Westfield | MA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| BTBecky The Bakester LLC | Westfield | IN | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CRCemex Rinker Materials - Concrete Pipes | Westfield | MA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| CLCenterprise LLC | Westfield | MA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CKChalmers & Kubeck North | Westfield | MA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| CSCoronado Stone Products | Westfield | NY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| DPDan Puza, Jr. | Westfield | MA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| HAHave a Nice Clay LLC | Westfield | NJ | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| JBJJM Boiler Works, Inc. | Westfield | MA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| KPKg Pallet,llc | Westfield | MA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| KBKismet Brewing Company, LLC | Westfield | MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| LELent's Enterprises, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| LSLynx Specialty Tapes Inc. | Westfield | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MTMainline Tool and Grind INC | Westfield | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MWMedplast Westfield LLC | Westfield | PA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| MIMestek INC Dadanco | Westfield | MA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MPMillennium Power Services, Inc. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MSMoren Signs INC | Westfield | MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| NCNewpro Containers | Westfield | IN | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| OCOld Colony Envelope | Westfield | MA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| PTPatton Tool Company | Westfield | MA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| PHPonders Hollow Custom Wood | Westfield | MA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| PDPortal Diabetes INC. | Westfield | IN | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
 Precise Holdings LLC | Westfield | IN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PProlamina | Westfield | MA | Paper Manufacturing322222 | — | ◇ UNVERIFIED |
| QMQual-tech Mfg., INC | Westfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RIRapid Industries Inc. | Westfield | NJ | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SBSkyline Beer Company LLC | Westfield | MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| SWSullivan Westfield Properties | Westfield | MA | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| UOUsdol - Osha Springfield Area Office | Westfield | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| VTVector Tool & Die Corp. | Westfield | MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| WAWestek Architectural Woodworking, Incorporated | Westfield | MA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| WMWestfield Museum INC | Westfield | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WFWest Fork Whiskey Real Estate JV, LLC | Westfield | IN | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| WRWestlake Royal Building Products Kleer | Westfield | MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
