| CFCurtiss-wright Flow Control Corporation | Brea | CA | — | ● ACTIVE |
Custom Coils INC | Benicia | CA | — | ● ACTIVE |
| CTCv Technologies LLC | Castro Valley | CA | — | ● ACTIVE |
Cytec CORP | Penfield | NY | — | ● ACTIVE |
Cytesi INC | Menlo Park | CA | — | ● ACTIVE |
Cytoviva, INC | Huntsville | AL | — | ● ACTIVE |
| CICyvek INC | Wallingford | CT | — | ● ACTIVE |
| DTDac Tools LLC | Naperville | IL | — | ● ACTIVE |
Daedalus Innovations LLC | Aston | PA | — | ● ACTIVE |
Danaher Cryogenics LTD | Boulder | CO | — | ● ACTIVE |
Dante Valve Company | Bellflower | CA | — | ● ACTIVE |
Dap USA INC | Scottsdale | AZ | — | ● ACTIVE |
Dataq Instruments INC | Akron | OH | — | ● ACTIVE |
Dataray INC | Monterey | CA | — | ● ACTIVE |
Data Spectrum, INC. | Torrance | CA | — | ● ACTIVE |
Davis & Davis Company | Englewood | CO | — | ● ACTIVE |
Dbmcorp INC | Parsippany | NJ | — | ● ACTIVE |
Design-realized.com LLC | Cupertino | CA | — | ● ACTIVE |
| DPDesigns & Prototypes, LTD. | Simsbury | CT | — | ● ACTIVE |
| DPDesigns & Prototypes, LTD. | Exeter | NH | — | ● ACTIVE |
Detectachem INC. | Sugar Land | TX | — | ● ACTIVE |
Dewesoft LLC | Whitehouse | OH | — | ● ACTIVE |
Digital Microscope Associate LLC | Leonia | NJ | — | ● ACTIVE |
Direct Electron, L.p. | San Diego | CA | — | ● ACTIVE |
Dixie Scientific Services LLC | Advance | NC | — | ● ACTIVE |
Dl Instruments, LLC | Brooktondale | NY | — | ● ACTIVE |
| DDDraftware Developers, INC | North Webster | IN | — | ● ACTIVE |
Drivesoft, LLC | Old Hickory | TN | — | ● ACTIVE |
Dspace INC | Wixom | MI | — | ● ACTIVE |
Durham Magneto Optics INC | Durham | NC | — | ● ACTIVE |
Durridge Company INC. | Billerica | MA | — | ● ACTIVE |
Dvtest America INC | Addison | TX | — | ● ACTIVE |
| DMDyco Manufacturing, LLC | Hornell | NY | — | ● ACTIVE |
| DCDynalectric CO | El Cajon | CA | — | ● ACTIVE |
Dynamic Devices LLC | Wilmington | DE | — | ● ACTIVE |
E. A. Fischione Instruments, INC. | Export | PA | — | ● ACTIVE |
| EOEastern Optx, INC. | Bordentown | NJ | — | ● ACTIVE |
Easyxafs LLC | Renton | WA | — | ● ACTIVE |
Echomri, LLC | Houston | TX | — | ● ACTIVE |
Eclypse International Corporation | Corona | CA | — | ● ACTIVE |
Ecsi Fibrotools, INC | Raleigh | NC | — | ● ACTIVE |
Edcor Electronics Corporation | Carlsbad | NM | — | ● ACTIVE |
Ede Electric Motor Testing, INC | Loveland | CO | — | ● ACTIVE |
Edmo Distributors, Incorporated | Spokane Valley | WA | — | ● ACTIVE |
E.f.e. Laboratories, INC. | Perkasie | PA | — | ● ACTIVE |
Ejc Systems INC | Newfoundland | NJ | — | ● ACTIVE |
Ekspla-usa INC | Bozeman | MT | — | ● ACTIVE |
Electrical Grid Monitoring USA INC. | Chatsworth | CA | — | ● ACTIVE |
Electrical Test Instruments, LLC | Frederick | MD | — | ● ACTIVE |
| ECElectron Coil, INC. | Norwich | NY | — | ● ACTIVE |
Electronic Systems of Wisconsin, INC. | Racine | WI | — | ● ACTIVE |
Electro Tech Systems INC | Perkasie | PA | — | ● ACTIVE |
Eleuthra Photonics, INC. | Champaign | IL | — | ● ACTIVE |
Elkins Earthworks, LLC | Akron | OH | — | ● ACTIVE |
Ellington Valley Technologies, INC. | East Windsor | CT | — | ● ACTIVE |
Ellisys CORP | Gilbert | AZ | — | ● ACTIVE |
Embedded Systems Engineering LLC | Crozet | VA | — | ● ACTIVE |
Emc Shop, Llc, the | Rocklin | CA | — | ● ACTIVE |
| ETEmc Test Design, LLC | Sarasota | FL | — | ● ACTIVE |
E-media Plus INC | South Hackensack | NJ | — | ● ACTIVE |
Emissions Systems INC | Crystal Lake | IL | — | ● ACTIVE |
Emka Technologies, INC. | Sterling | VA | — | ● ACTIVE |
Energy Eight LLC | Alpharetta | GA | — | ● ACTIVE |
Enertest Solutions LLC | Lawrenceville | GA | — | ● ACTIVE |
Engineering & Design Concepts INC | Lincoln Park | NJ | — | ● ACTIVE |
| EIEntech Instruments, INC. | Simi Valley | CA | 20–99 | ● ACTIVE |
| ECEntegra Corporation | Aurora | CO | — | ● ACTIVE |
| EOEnwave Optronics INC | Irvine | CA | — | ● ACTIVE |
| EREqm Research INC | Cincinnati | OH | — | ● ACTIVE |
Es Beta, LLC | Ronkonkoma | NY | — | ● ACTIVE |
Espira, INC | Salt Lake City | UT | — | ● ACTIVE |
Esteamg, LLC | Shoreline | WA | — | ● ACTIVE |
Etaluma, INC. | San Diego | CA | — | ● ACTIVE |
Ets-lindgren INC | Wood Dale | IL | — | ● ACTIVE |
Ets Solution North America LLC | Highlands Ranch | CO | — | ● ACTIVE |
Everest Biolabs, INC. | Waltham | MA | — | ● ACTIVE |
Everight Position Technologies Corporation | Bala Cynwyd | PA | — | ● ACTIVE |
Evosep INC. | Bellingham | MA | — | ● ACTIVE |
Exacter INC | Columbus | OH | — | ● ACTIVE |
| ELExaminart, LLC | Tucson | AZ | — | ● ACTIVE |
Exatron, INC. | San Jose | CA | — | ● ACTIVE |
Excel Components and Supply INC. | Holtsville | NY | — | ● ACTIVE |
Exfo America INC | Spring | TX | — | ● ACTIVE |
| EIExtorr, INC | New Kensingtn | PA | — | ● ACTIVE |
Ezkem Corporation | Hood River | OR | — | ● ACTIVE |
Farrwest Environmental Supply, INC. | Universal City | TX | — | ● ACTIVE |
Fedcorp Services, INC. | El Sobrante | CA | — | ● ACTIVE |
| FRFederal Resources Supply Company | Stevensville | MD | — | ● ACTIVE |
Fei Company | Hillsboro | OR | — | ● ACTIVE |
Fei-elcom Tech, INC. | Northvale | NJ | — | ● ACTIVE |
Ferroxcube USA INC | El Paso | TX | — | ● ACTIVE |
Fialab Instruments, INC. | Seattle | WA | — | ● ACTIVE |
Ficontec Usa, INC. | Orlando | FL | — | ● ACTIVE |
Filnor INC | Alliance | OH | — | ● ACTIVE |
| FRFilter Research Corporation | Palm Bay | FL | 1–19 | ● ACTIVE |
Finetest INC. | Palm Coast | FL | — | ● ACTIVE |
Fire Fly Sci INC | Northport | NY | — | ● ACTIVE |
Fire Testing Technology Incorporated | Clarksburg | NJ | — | ● ACTIVE |
Flexcell International CORP | Burlington | NC | — | ● ACTIVE |
Flowpoint Bio, INC. | Cincinnati | OH | — | ● ACTIVE |