| FFoamtech | Fitchburg, MA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| FIFp International | Auburn, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FPFree-flow Packaging International, INC. | Auburn, MA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| FSFt Signs, INC. | Milford, MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| FDFurniture Design Services INC | Winchendon, MA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| FLFw Lombard Company | Ashburnham, MA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| GMGallant Machine Works INC | Shrewsbury, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GRGarden Remedies, INC. | Fitchburg, MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| GMGary Morin Erectors, LLC | Worcester, MA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| GEG E Horne and Son Woodwork | Dudley, MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| GBGeorge's Bakery, INC. | Worcester, MA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| GSG&h Staffing Companies, LLC | Leominster, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| GUGinseng Up Corporation | Worcester, MA | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| GNGlobal Nonwoven International LLC | Auburn, MA | Textile Mills313230 | — | ◇ UNVERIFIED |
| GMGoodspeed Machine Company | Winchendon, MA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| GCGracenote Coffee, LLC | Berlin, MA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| GPGraham Products | Lunenburg, MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| GCGraphic Connection Inc | Paxton, MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| GGGreater Good Imperial Brewing CO.,INC. | Worcester, MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| GPGTC Precision Molding Corp | Leominster, MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| GOGuilford of Maine | Dudley, MA | Textile Mills313312 | — | ◇ UNVERIFIED |
| HLHardwick Laminators | Hardwick, MA | Paper Manufacturing322222 | — | ◇ UNVERIFIED |
| HAHarvey Apotheker Dmd | Gardner, MA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| HEHavn Extracts LLC | North Oxford, MA | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| HCHebert Confections, LLC | Shrewsbury, MA | Food Manufacturing311320 | — | ◇ UNVERIFIED |
| HCHenry Camosse and Son | Worcester, MA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| HSHerrick & Sons Inc. | North Brookfield, MA | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| HPHorn Packaging Corporation | Lancaster, MA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| HAHosokawa Alpine American INC | Northborough, MA | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| H1H&r 1871 Incorporate | Gardner, MA | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| HFHub Fabric Leather | Cherry Valley, MA | Textile Mills313320 | — | ◇ UNVERIFIED |
| HFHuntington Foam LLC | West Brookfield, MA | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
 Hybrid Cnc Parts | Webster, MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ISIdeal Sign Company | Gardner, MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| ISIfco Systems North America, INC. | Westborough, MA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| INImpact Nano LLC | Devens, MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IIIncom INC | Charlton, MA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
 Inteplast Group Corporation | Westborough, MA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| IGIpl Global | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| IIIpswich Industries Dba Rau Bros | Winchendon, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| IKIQBAL KHAN dba KHAN DIAMONDS | Shrewsbury, MA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| ILIradion Laser INC | Uxbridge, MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| IMIron Mountain Records Management | Northborough, MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| JMJ.B. McGovern, LLC | Shrewsbury, MA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JMJd Millwork & Cabinets, INC. | South Grafton, MA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JMJi Morris | Southbridge, MA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| JMJohn M Dubey | Gardner, MA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| JCJsl-asphalt Company | Charlton, MA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JCJulima Cheese, INC. | Baldwinville, MA | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| KSKay-gee Sign & Graphics Company, INC | Worcester, MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
