Nanoengineering Corporation | New Haven | — | ● ACTIVE |
Navigtr INC | Old Greenwich | — | ● ACTIVE |
New England Hemolytics, INC. | Branford | — | ● ACTIVE |
Oriolum LLC | Hartford | — | ● ACTIVE |
Owl Cyber Defense Solutions, LLC | Danbury | — | ● ACTIVE |
Owlstone INC. | Darien | — | ● ACTIVE |
Perkinelmer U.s. LLC | Shelton | — | ● ACTIVE |
| PSPlug-in Storage Systems, INC. | West Haven | — | ● ACTIVE |
Pmc-sts INC | Danbury | — | ● ACTIVE |
Pratt & Whitney Measurement Systems, INC. | Bloomfield | — | ● ACTIVE |
Pro Scientific, INC. | Oxford | — | ● ACTIVE |
Qsonica LLC | Newtown | — | ● ACTIVE |
| QCQuadrex Corporation | Bethany | — | ● ACTIVE |
Quantum Circuits, INC. | New Haven | — | ● ACTIVE |
Radeco, INC. | Plainfield | — | ● ACTIVE |
| RURadiall USA INC | Wallingford | 20–99 | ● ACTIVE |
Raptor Photonics, INC. | Glastonbury | — | ● ACTIVE |
| RAReal-time Analyzers INC | Middletown | — | ● ACTIVE |
Redco Audio, INC. | Monroe | — | ● ACTIVE |
| RMResonance Micro Technologies, INC. | Hamden | — | ● ACTIVE |
Samarius Precision Instruments, INC. | Wallingford | — | ● ACTIVE |
| SLScalables, LLC | Wallingford | — | ● ACTIVE |
| SEScavin Equipment CO LLC | Southington | — | ● ACTIVE |
Scott Electrokrafts INC | Andover | — | ● ACTIVE |
Skymira LLC | Milford | — | ● ACTIVE |
Smi Tech, LLC | Southport | — | ● ACTIVE |
Sonics & Materials INC | Newtown | — | ● ACTIVE |
Spectral LLC | Putnam | — | ● ACTIVE |
Technical Allied Products, INC. | Wallingford | — | ● ACTIVE |
Technical Manufacturing Corporation | Durham | — | ● ACTIVE |
Tectonic Technologies LLC | Salem | — | ● ACTIVE |
| TITek Industries, LLC | Vernon Rockville | — | ● ACTIVE |
The Phoenix Company of Chicago, INC. | Naugatuck | — | ● ACTIVE |
Thinklogical, INC. | Milford | — | ● ACTIVE |
Thomas Products LLC | Bristol | — | ● ACTIVE |
Trans Tek INC | Ellington | — | ● ACTIVE |
Ttm Printed Circuit Group LLC | Stafford Springs | — | ● ACTIVE |
Ttm Technologies, INC. | Stafford Springs | — | ● ACTIVE |
| UCUnholtz-dickie CORP | Wallingford | 20–99 | ● ACTIVE |
Verotec INC | Durham | — | ● ACTIVE |
| VIVideo Insights, LLC | Southbury | — | ● ACTIVE |
Vista Group International, INC | Darien | — | ● ACTIVE |
| WIWeb Industries Inc | Dayville | 20–99 | ● ACTIVE |
Weigh & Test Systems, INC. | Riverside | — | ● ACTIVE |
Westfair Tv, L.l.c | Fairfield | — | ● ACTIVE |
Whitman Controls LLC | Bristol | — | ● ACTIVE |
Winchester Interconnect Corporation | Milford | — | ● ACTIVE |
| XTXcaliber Technologies INC. | Norwalk | — | ● ACTIVE |
Xsoptix LLC | Madison | — | ● ACTIVE |
| GSGems Sensors | Plainville | 100–499 | ◐ LIKELY ACTIVE |