Igo Paul | East Sandwich | — | ● ACTIVE |
Imagine Scientific INC | Norwood | — | ● ACTIVE |
Impact Power Technologies LLC | Methuen | — | ● ACTIVE |
Industrial & Biomedical Sensors Corporation | Waltham | — | ● ACTIVE |
| IIInfobionic, INC | Chelmsford | — | ● ACTIVE |
Innolas Laser INC | West Springfield | — | ● ACTIVE |
| ILInstrumentation Laboratory | Bedford | 500+ | ● ACTIVE |
Integrated Coastal Solutions LLC | Falmouth | — | ● ACTIVE |
Interactive Media CORP. | Millis | — | ● ACTIVE |
| ILInternational Light Technologies, INC. | Peabody | — | ● ACTIVE |
| ILInterscience Laboratories, INC. | Woburn | — | ● ACTIVE |
Ionoptix LLC | Westwood | — | ● ACTIVE |
Iris Kinetics INC | Boston | — | ● ACTIVE |
Iscan, INC. | Woburn | — | ● ACTIVE |
Jentek Sensors, INC. | Marlborough | — | ● ACTIVE |
| JDJohnson, David M | Shrewsbury | — | ● ACTIVE |
| KDKaria Diamonds INC. | Sudbury | — | ● ACTIVE |
Keraunos Systems, INC. | Centerville | — | ● ACTIVE |
King-gage Engineering Corporation | Mendon | — | ● ACTIVE |
Kodai Flow Research, L.l.c. | Methuen | — | ● ACTIVE |
Kopin Targeting Corporation | Westborough | — | ● ACTIVE |
Kpm Analytics North America Corporation | Westborough | — | ● ACTIVE |
Kraken Robotics US INC | Boston | — | ● ACTIVE |
Krohn-hite CORP | Brockton | — | ● ACTIVE |
L3 Technologies INC | Fall River | — | ● ACTIVE |
Lauterbach, INC. | Marlborough | — | ● ACTIVE |
Lc Technology Solutions, INC | Salisbury | — | ● ACTIVE |
Leafguardian INC. | Bedford | — | ● ACTIVE |
Lewis Rhodes Labs INC | Concord | — | ● ACTIVE |
Liberty Defense Technologies, INC. | Wilmington | — | ● ACTIVE |
Lintrinsic Semiconductors INC. | Somerville | — | ● ACTIVE |
| LIListen, INC. | Boston | — | ● ACTIVE |
Lotus Communication Systems INC | Acton | — | ● ACTIVE |
Lowell Instruments LLC | East Falmouth | — | ● ACTIVE |
Lunar Station CORP | Cambridge | — | ● ACTIVE |
Massachusetts Microwave CORP | Acton | — | ● ACTIVE |
Mauna Kea Technologies, INC. | Allston | — | ● ACTIVE |
Mayflower Communications Company, INC. | Bedford | — | ● ACTIVE |
| MMMicro Magnetics, INC | Fall River | — | ● ACTIVE |
Microwave Components, INC | Dracut | — | ● ACTIVE |
Midac CORP | Westfield | — | ● ACTIVE |
Mini-systems, INC. | North Attleboro | — | ● ACTIVE |
| MSMouse Specifics INC | Framingham | — | ● ACTIVE |
| MRM-r Resources, INC | Fitchburg | — | ● ACTIVE |
Mr Solutions Americas, LLC | Acton | — | ● ACTIVE |
Msi Transducers CORP. | Littleton | — | ● ACTIVE |
Myolex, INC. | Brookline | — | ● ACTIVE |
| NINabson, INC | Taunton | — | ● ACTIVE |
Neil Brown Ocean Sensors, Incorporated | Falmouth | — | ● ACTIVE |
Netzsch Instruments North America, LLC | Burlington | — | ● ACTIVE |