| ISIzon Science US LLC | Medford, MA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
Jentek Sensors, INC. | Marlborough, MA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
Jobvizer LLC | Brockton, MA | Fabricated Metal Product Manufacturing332312 | — | ● ACTIVE |
Jowa USA INC | Littleton, MA | Computer and Electronic Product Manufacturing334513 | — | ● ACTIVE |
| JPJrs Precision Machine & Design LLC | Lakeville, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
J. S. B. Industries, INC. | Chelsea, MA | Food Manufacturing311812 | — | ● ACTIVE |
| KDKaria Diamonds INC. | Sudbury, MA | Computer and Electronic Product Manufacturing334413 | — | ● ACTIVE |
Kcb Solutions, LLC | Shirley, MA | Computer and Electronic Product Manufacturing334413 | — | ● ACTIVE |
| KPKeefe Piccolo Company, INC. | Winchester, MA | Miscellaneous Manufacturing339992 | — | ● ACTIVE |
Kilder CORP | North Billerica, MA | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Kodai Flow Research, L.l.c. | Methuen, MA | Computer and Electronic Product Manufacturing334514 | — | ● ACTIVE |
| KTKolmar Technologies, INC. | Newburyport, MA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
Kontrast4d LLC | Salem, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Kraken Robotics US INC | Boston, MA | Computer and Electronic Product Manufacturing334511 | — | ● ACTIVE |
Krohn-hite CORP | Brockton, MA | Computer and Electronic Product Manufacturing334515 | — | ● ACTIVE |
Kvd INC. | Somerville, MA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
Kykloris, INC. | Cambridge, MA | Chemical Manufacturing325998 | — | ● ACTIVE |
Labthink International, INC | Medford, MA | Machinery Manufacturing333998 | — | ● ACTIVE |
Lancaster Packaging INC | Hudson, MA | Paper Manufacturing322211 | — | ● ACTIVE |
Lantheus Holdings, INC. | Bedford, MA | Chemical Manufacturing325412 | — | ● ACTIVE |
Lantheus Medical Imaging, INC. | Bedford, MA | Chemical Manufacturing325412 | — | ● ACTIVE |
Lauterbach, INC. | Marlborough, MA | Computer and Electronic Product Manufacturing334515 | — | ● ACTIVE |
Lavelle Medical LLC | Westford, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Lci Paper Co., INC. | Hudson, MA | Paper Manufacturing322230 | — | ● ACTIVE |
Lc Technology Solutions, INC | Salisbury, MA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
Leafguardian INC. | Bedford, MA | Computer and Electronic Product Manufacturing334510 | — | ● ACTIVE |
Lemaitre Vascular, INC. | Burlington, MA | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Lewis Rhodes Labs INC | Concord, MA | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
| LILexitek INC | Waltham, MA | Machinery Manufacturing333310 | — | ● ACTIVE |
Lgapparel, LLC | Milton, MA | Apparel Manufacturing315210 | — | ● ACTIVE |
Lhm Engineering LLC | Manchester, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Liberty Defense Technologies, INC. | Wilmington, MA | Computer and Electronic Product Manufacturing334511 | — | ● ACTIVE |
Liftwave INC | Somerville, MA | Machinery Manufacturing333995 | — | ● ACTIVE |
Linden Photonics, INC. | Westford, MA | Electrical Equipment, Appliance & Component Manufacturing335921 | — | ● ACTIVE |
Lintrinsic Semiconductors INC. | Somerville, MA | Computer and Electronic Product Manufacturing334413 | — | ● ACTIVE |
Liphera, INC. | Dorchester, MA | Machinery Manufacturing333248 | — | ● ACTIVE |
| LIListen, INC. | Boston, MA | Computer and Electronic Product Manufacturing334519 | — | ● ACTIVE |
Lotus Communication Systems INC | Acton, MA | Computer and Electronic Product Manufacturing334220 | — | ● ACTIVE |
Lubbe LLC | Epping, NH | Machinery Manufacturing333242 | — | ● ACTIVE |
Lumia Health, INC. | Allston, MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
Lumina Power, INC | Haverhill, MA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
Lytechip INC. | Newton, MA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
M2 Solutions LLC | Haverhill, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Macdiarmid, LLC | Newburyport, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Machine Incorporated | Stoughton, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Macomber Cryogenics, INC | Newton, NH | Fabricated Metal Product Manufacturing332996 | — | ● ACTIVE |
Maglev Aero INC | Hopkinton, MA | Transportation Equipment Manufacturing336411 | — | ● ACTIVE |
Magnendo CORP | Newton, MA | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
| MMMair-mac Machine Company, INC. | Brockton, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Maloney Precision Manufacturing LLC | Lowell, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |