Ketcham Supply CO INC | New Bedford | MA | Fabricated Metal Product Manufacturing332618 | 1-19 | ● ACTIVE |
| KCKettle Cuisine | Lynn | MA | Food Manufacturing311412 | 500+ | ● ACTIVE |
Keystone Precision & Engineering, LLC | Pepperell | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Kidde-fenwal, LLC | Ashland | MA | Chemical Manufacturing325998 | — | ● ACTIVE |
Kinefac Corporation | Worcester | MA | Machinery Manufacturing333513 | 20-99 | ● ACTIVE |
| KPKing Printing Company, INC. | Lowell | MA | Printing and Related Support Activities323117 | 20-99 | ● ACTIVE |
Kirkwood Printing Company, LLC | Wilmington | MA | Printing and Related Support Activities323110 | — | ● ACTIVE |
| KSKirwan Surgical Products LLC | Marshfield | MA | Miscellaneous Manufacturing339112 | 100-499 | ● ACTIVE |
Kleeberg Sheet Metal, INC | Ludlow | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ● ACTIVE |
Kopin CORP | Westborough | MA | Computer and Electronic Product Manufacturing334413 | 100-499 | ● ACTIVE |
Koso America INC. | West Bridgewater | MA | Fabricated Metal Product Manufacturing332911 | 20-99 | ● ACTIVE |
Krohn-hite CORP | Brockton | MA | Computer and Electronic Product Manufacturing334515 | 1-19 | ● ACTIVE |
Labthink International, INC | Medford | MA | Machinery Manufacturing333998 | 1-19 | ● ACTIVE |
Lampin Corporation | Uxbridge | MA | Machinery Manufacturing333613 | 20-99 | ● ACTIVE |
Laplume & Sons Printing, INC | Lawrence | MA | Printing and Related Support Activities323111 | 1-19 | ● ACTIVE |
| LILeachgarner, INC. | Attleboro | MA | Primary Metal Manufacturing331491 | 100-499 | ● ACTIVE |
Lehi Sheet Metal Corporation | Westborough | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ● ACTIVE |
| LVLemaitre Vascular INC | Burlington | MA | Miscellaneous Manufacturing339112 | 100-499 | ● ACTIVE |
Lenco Industries, INC. | Pittsfield | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ● ACTIVE |
| LELentros Engineering, INC. | Ashland | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Lgc Clinical Diagnostics INC | Milford | MA | Chemical Manufacturing325413 | 100-499 | ● ACTIVE |
Lifecanvas Technologies INC | Cambridge | MA | Computer and Electronic Product Manufacturing334516 | 20-99 | ● ACTIVE |
Life Instrument CORP | Braintree | MA | Miscellaneous Manufacturing339112 | 1-19 | ● ACTIVE |
Lifeward INC | Marlborough | MA | Miscellaneous Manufacturing339112 | 20-99 | ● ACTIVE |
Lincoln Tool & Machine CORP | Hudson | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| LIListen, INC. | Boston | MA | Computer and Electronic Product Manufacturing334519 | 1-19 | ● ACTIVE |
| LTLm Tarbell INC | East Longmeadow | MA | Machinery Manufacturing333613 | 1-19 | ● ACTIVE |
| LHLord Hobo Brewing Company LLC | Woburn | MA | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ● ACTIVE |
Louis M. Gerson CO INC | Middleboro | MA | Miscellaneous Manufacturing339113 | 20-99 | ● ACTIVE |
Lowell Corporation | West Boylston | MA | Fabricated Metal Product Manufacturing332216 | 20-99 | ● ACTIVE |
L.s. Starrett Company (the) | Athol | MA | Fabricated Metal Product Manufacturing332212 | 500+ | ● ACTIVE |
Mach Machine INC | Hudson | MA | Fabricated Metal Product Manufacturing332721 | 1-19 | ● ACTIVE |
Mackenzie Machine & Design INC | Pembroke | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ● ACTIVE |
Mack Prototype, INC | Gardner | MA | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Macom Technology Solutions INC. | Lowell | MA | Computer and Electronic Product Manufacturing334412 | 500+ | ● ACTIVE |
Magellan Aerospace, Haverhill, INC | Haverhill | MA | Transportation Equipment Manufacturing336412 | 100-499 | ● ACTIVE |
Manufacturing Technology Group, INC | Westfield | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |
Marine Polymer Technologies, INC. | Topsfield | MA | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Massa Products Corporation | Hingham | MA | Computer and Electronic Product Manufacturing334419 | 20-99 | ● ACTIVE |
| MCMass Cabinets INC | Methuen | MA | Furniture and Related Product Manufacturing337110 | 1-19 | ● ACTIVE |
| MCMass Crane & Hoist Services, INC | Tyngsboro | MA | Machinery Manufacturing333923 | 20-99 | ● ACTIVE |
Matec Instrument Companies, INC. | Northborough | MA | Computer and Electronic Product Manufacturing334519 | 1-19 | ● ACTIVE |
Mbs Fabrication, INC. | Southbridge | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ● ACTIVE |
Mcgill Hose & Coupling, INC. | East Longmeadow | MA | Fabricated Metal Product Manufacturing332912 | 20-99 | ● ACTIVE |
Medica CORP | Bedford | MA | Computer and Electronic Product Manufacturing334516 | 100-499 | ● ACTIVE |
Medical Monofilament Manufacturing LLC | Plymouth | MA | Miscellaneous Manufacturing339112 | 1-19 | ● ACTIVE |
Mercury Systems INC | Andover | MA | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
| MIMeridian Industrial Group, LLC | Holyoke | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| MMMerrow Manufacturing LLC | Fall River | MA | Apparel Manufacturing315210 | 20-99 | ● ACTIVE |
| MIMestek INC | Westfield | MA | Machinery Manufacturing333414 | 100-499 | ● ACTIVE |