Williamson Corporation | Concord | 20–99 | ● ACTIVE |
| ZMZoll Medical Corporation | Chelmsford | 500+ | ● ACTIVE |
908 Devices INC | Burlington | — | ● ACTIVE |
| ALAccutronics, LLC | Chelmsford | 20–99 | ● ACTIVE |
Active Surfaces INC | Woburn | — | ● ACTIVE |
Assembly Guidance Systems, INC | Chelmsford | 1–19 | ● ACTIVE |
Boston Materials, INC. | Billerica | — | ● ACTIVE |
Bridge 12 Technologies, INC. | Natick | 1–19 | ● ACTIVE |
Copious Imaging LLC | Lexington | 20–99 | ● ACTIVE |
| CRCpi Radant Technologies Division INC | Hudson | — | ● ACTIVE |
Cyntony CORP | Lexington | 1–19 | ● ACTIVE |
Edgetech Instruments, INC. | Hudson | 1–19 | ● ACTIVE |
Exagrid Systems, INC | Marlborough | 100–499 | ● ACTIVE |
Excellims Corporation | Acton | — | ● ACTIVE |
Fluigent, INC. | North Chelmsford | 1–19 | ● ACTIVE |
Gelsight, INC. | Waltham | 20–99 | ● ACTIVE |
| GLGlobal Life Sciences Solutions USA LLC | Marlborough | — | ● ACTIVE |
Global Technology Systems, INC | Framingham | 20–99 | ● ACTIVE |
Hitec Sensor Developments, INC. | Chelmsford | — | ● ACTIVE |
Holosonic Research Labs, INC. | Watertown | 1–19 | ● ACTIVE |
| ITIep Technologies, LLC | Marlborough | 100–499 | ● ACTIVE |
Industrial Video & Control CO LLC | Newton | 20–99 | ● ACTIVE |
Ipg Photonics Corporation | Marlborough | — | ● ACTIVE |
Jowa USA INC | Littleton | 1–19 | ● ACTIVE |
Kcb Solutions, LLC | Shirley | 20–99 | ● ACTIVE |
Lewis Rhodes Labs INC | Concord | 1–19 | ● ACTIVE |
Lockheed Martin Corporation | Chelmsford | — | ● ACTIVE |
Lumafield, INC. | Cambridge | 100–499 | ● ACTIVE |
Mack Technologies, INC. | Westford | — | ● ACTIVE |
Metal Processing Co., INC. | Tyngsboro | — | ● ACTIVE |
Metamagnetics INC | Marlborough | 20–99 | ● ACTIVE |
| MSMouse Specifics INC | Framingham | 1–19 | ● ACTIVE |
Netzsch Instruments North America, LLC | Burlington | 20–99 | ● ACTIVE |
Optikos, LLC | Wakefield | — | ● ACTIVE |
| PTPendar Technologies LLC | Cambridge | 20–99 | ● ACTIVE |
Rapid Micro Biosystems, INC. | Lowell | — | ● ACTIVE |
Raytheon Company | Marlborough | — | ● ACTIVE |
Raytheon Company | Woburn | — | ● ACTIVE |
Roscid Technologies INC | Woburn | — | ● ACTIVE |
Schneeberger, INC | Woburn | 1–19 | ● ACTIVE |
Specialized Coating Services, LLC | North Billerica | — | ● ACTIVE |
Spectro Scientific, INC | Chelmsford | — | ● ACTIVE |
| SMSpectrum Microwave, INC. | Marlborough | — | ● ACTIVE |
Starflex, INC. | Lowell | 1–19 | ● ACTIVE |
Vertilon Corporation | Westford | 1–19 | ● ACTIVE |
Viken Detection Corporation | Burlington | 20–99 | ● ACTIVE |
Abside Networks INC | Acton | — | ● ACTIVE |
Adiabatic Computing Machines INC. | Somerville | — | ● ACTIVE |
Almax Easylab INC | Cambridge | — | ● ACTIVE |
Amplyus LLC | Arlington | — | ● ACTIVE |