| HKHardwick Knitted Fabrics | Warren, MA | Textile Mills313241 | — | ◇ UNVERIFIED |
| HOHartshorns of Gardner | Gardner, MA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| HPHeffernan Press Incorporated | Worcester, MA | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| HCHeinrich Ceramic Decal | Worcester, MA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| HCHeritage Cabinet INC | Fitchburg, MA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| HHHoliday Housewares | Leominster, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| H1H&r 1871 LLC | Gardner, MA | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| HTHyde Tools | Southbridge, MA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| IFIncom Fiberoptics | Charlton, MA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| IPIndependent Plating CO. INC. | Worcester, MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| IIIndusol INC | Sutton, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| IFIndustrial Foundry | Uxbridge, MA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| IPInland Paperboard & | Leominster, MA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| IFInterface Fabrics Group | Douglas, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| JMJames Monroe Wire and Cable C | South Lancaster, MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| JMJames Monroe Wire and Cable CORP | South Lancaster, MA | Electrical Equipment, Appliance & Component Manufacturing335929 | — | ◇ UNVERIFIED |
| JMJames Monroe Wire & Cable Corporation | Lancaster, MA | Electrical Equipment, Appliance & Component Manufacturing335929 | — | ◇ UNVERIFIED |
| JMJen Manufacturing Incorporated | Millbury, MA | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| JHJ H Lynch & Sons Paving | Millbury, MA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JJJohn J Adams Die CORP | Worcester, MA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| KMKilleen Machine Tool CO | Worcester, MA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| KCKinefac CORP | Worcester, MA | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| KEKirk Eastern | Gardner, MA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| LCLaurence Candle | Northborough, MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Leggett & Platt Webster Spring Div | Oxford, MA | Fabricated Metal Product Manufacturing332612 | — | ◇ UNVERIFIED |
| LCLelanite Corporation | Webster, MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LCLiberty Compassion INC Dba Affinity | Clinton, MA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| LILilly Industrial Coating | Templeton, MA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| LOL&j of New England | Worcester, MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| LTLoud Technologies | Whitinsville, MA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| MCMadison Cable CORP | Worcester, MA | Primary Metal Manufacturing331422 | — | ◇ UNVERIFIED |
| MWMagnet Wave Products INC | Hardwick, MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MUMaterials Unlimited INC | Templeton, MA | Textile Product Mills314110 | — | ◇ UNVERIFIED |
| MIMetalogic Industries LLC | Southbridge, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MPMh Parks CO | Winchendon, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MMMicron Medical Products | Fitchburg, City of, MA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| MMMilford Mfg Services LLC | Milford, MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MCMilton Cat | Milford, Town of, MA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| MDModern Dispersion | Leominster, MA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MCMonson Chemical Distribution | Leominster, MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MCMontrose Cdt | Auburn, MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| MCMorgan Construction (siemens) | Worcester, MA | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| MPMunskjo Paper Decor | Fitchburg, MA | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| MLMurray Lane Trust | Athol, MA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MIMylec INC | Winchendon, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| NVNashoba Valley Structural | Lunenburg, MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| NPNational Perforating CORP | Clinton, MA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| NENensco (new England Newspaper Supply) | Millbury, MA | Paper Manufacturing322222 | — | ◇ UNVERIFIED |
| NCNew Corr Packaging | Northborough, MA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| NENew England Sheets LLC | Devens, MA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
