| company | role | hq | verified |
| Accurate Dial Gauge, Inc. accuratedialgauge.com | MFG DIST | Palatine, IL (US) | 1 mfrs |
| Accurate Instrument Repair, Inc. accurateinstrument.com | DIST | Foothill Ranch, CA (US) | 1 mfrs |
| Accurate Measurement Systems accuratemeasurementsystems.com | DIST | St. Louis, MO (US) | 1 mfrs |
| Advanced Measurement Machines, Inc. cmmlab.com | DIST | Canoga Park, CA (US) | 1 mfrs |
| Advanced Systems and Designs - ASDQMS spcanywhere.com | DIST | Chagrin Falls, OH (US) | 1 mfrs |
| Allegheny Machine Tool Systems, Inc. allegmach.com | DIST | McMurray, PA (US) | 1 mfrs |
| Allen Kent, Inc. allenkentinc.com | DIST | Chatsworth, CA (US) | 1 mfrs |
| Allied High Tech Products, Inc. alliedhightech.com | MFG DIST | Rancho Dominguez, CA (US) | 1 mfrs |
| All Prec Inst Svs.Apis apisinc.com | DIST | Middleburg Heights, OH (US) | 1 mfrs |
| American Gage & Instrument americangage.com | DIST | Placentia, CA (US) | 1 mfrs |
| Automation And Metrology, Inc. auto-met.com | DIST | Cincinnati, OH (US) | 1 mfrs |
| Bender Associates, Inc. benderassoc.com | DIST | Tempe, AZ (US) | 1 mfrs |
| Berkshire Esupply berkshireesupply.com | MFG DIST | Novi, MI (US) | 1 mfrs |
| BHD Test and Measurement bhdtm.com | DIST | Broomfield, CO (US) | 1 mfrs |
| Bi-Optic, Inc. biopticinc.com | DIST | Santa Clara, CA (US) | 1 mfrs |
| Bolden Instrument, Inc. boldenlnstrument.com | DIST | Hamilton, OH (US) | 1 mfrs |
| Brook Anco Corporation brookanco.com | DIST | Cicero, NY (US) | 1 mfrs |
| Burton Precision Co. burtonprecision.com | DIST | Comstock Park, MI (US) | 1 mfrs |
| Calibration Specialty calibrationspecialty.com | DIST | Irving, TX (US) | 1 mfrs |
| Can Do Machinery Sales candomachinery.com | DIST | Chatsworth, CA (US) | 1 mfrs |