| HTHalpern Titanium, INC | Three Rivers, MA | Fabricated Metal Product Manufacturing332215 | — | ◇ UNVERIFIED |
| HSHorizon Sheet Metal, INC. | Springfield, MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| HAHurley and David | Springfield, MA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| HSHw Staffing, INC. | Springfield, MA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| IMImperial Metal & Chemical | Holyoke, MA | Printing and Related Support Activities323122 | — | ◇ UNVERIFIED |
| IIIrwin Industrial Tool Company | East Longmeadow, MA | Fabricated Metal Product Manufacturing332213 | — | ◇ UNVERIFIED |
| JAJ&A Aerospace, Inc. | West Springfield, MA | — | — | ◇ UNVERIFIED |
| JBJJM Boiler Works, Inc. | Westfield, MA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| JGJohn Gil, INC. | Ludlow, MA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| JMJohn Morrell Food Group | Springfield, MA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| JPJp Precision INC | Chicopee, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| KPKg Pallet,llc | Westfield, MA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| KBKismet Brewing Company, LLC | Westfield, MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| LILallie, INC. | Agawam, MA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| LKLamb Knitting Machine Corporation | Chicopee, MA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| LVLazy Valley Winery, Inc. | Springfield, MA | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| LTLeisure Time Canvas, INC. | West Springfield, MA | Textile Product Mills314912 | — | ◇ UNVERIFIED |
| LTLenox Tools | East Longmeadow, MA | Fabricated Metal Product Manufacturing332213 | — | ◇ UNVERIFIED |
| LELent's Enterprises, INC. | Westfield, MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| LWLudlow Wwt | Ludlow, Town of, MA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| LWLudlow Wwtp | Ludlow, MA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| LSLynx Specialty Tapes Inc. | Westfield, MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MTMainline Tool and Grind INC | Westfield, MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MCMarcus Company, INC. | Holyoke, MA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MWMarks Woodworking | Thorndike, MA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| MPMaxol Products CO INC | West Springfield, MA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| MPMechanical Plastics INC | Agawam, MA | Chemical Manufacturing325211 | — | ◇ 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 |
| MSMoren Signs INC | West Springfield, MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| MIMwi INC | Agawam, MA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◇ UNVERIFIED |
| NENew England Pallets & Skids, INC. | Ludlow, MA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| NCNitor Corp | Southwick, MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| NCNortheast Converters, INC. | Holyoke, MA | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| NSNortheast Seat Company | Palmer, MA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| OBOerlikon Balzers Coating USA INC | Agawam, MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| OCOld Colony Envelope | Westfield, MA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| OSOld San Juan Bakery, INC. | Springfield, MA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| OIOmg INC | Agawam, MA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| OPOptimum Parts Company | Holyoke, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PTPatton Tool Company | Westfield, MA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| PGPeter Gray | East Longmeadow, MA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| PVPioneer Valley Plating | Holyoke, MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PSPlating Supplies International, INC. | Agawam, MA | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| PHPonders Hollow Custom Wood | Westfield, MA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| PAPratt & Austin Company INC | Holyoke, MA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| PSPraxair Springfield | Indian Orchard, MA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| PCPrecision Components Group Inc | West Springfield, MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| PCPrecision Components Group INC. | West Springfield, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
