| company | role | hq | verified |
| K&D Pratt Group Inc kdpratt.com | DIST | Dartmouth, NS (CA) | 3 mfrs |
| Captron captron.com | MFG | Fort Mill, SC (US) | 3 dist |
| Canstar Instruments, Inc. canstarinstruments.com | DIST | Edmonton, AB (CA) | 2 mfrs |
| Kele Inc kele.com | MFG DIST | Memphis, TN (US) | 4 mfrs |
| A-Tech Inc atech-inc.com | MFG DIST | Tulsa, OK (US) | 8 mfrs |
| Aronson-Campbell Industrial Supply, Inc. aronson-campbell.com | DIST | Bellevue, WA (US) | 21 mfrs |
| BRANOM INSTRUMENT CO branom.com | DIST | Seattle, WA (US) | 6 mfrs |
| Neponset Controls Inc neponsetcontrols.com | DIST | Foxborough, MA (US) | 2 mfrs |
| Robertshaw robertshaw.com | MFG DIST | Brownsville, TX (US) | 26 dist · 1 mfrs |
| Vaisala vaisala.com | MFG | — (FI) | 17 dist |
| Temposonics temposonics.com | MFG | Cary (US) | 55 dist |
| Swiss Instruments Ltd. swissinstruments.com | DIST | Mississauga, ON (CA) | 1 mfrs |
| Itm Instruments itm.com | MFG DIST | Calgary, AB (CA) | 2 mfrs |
| Process Technology, Inc. processtechnology.com | MFG DIST | Willoughby, OH (US) | 5 dist · 1 mfrs |
| DIATEST USA diatest.com | MFG | — (US) | 1 dist |
| Tohnichi tohnichi.com | MFG | Buffalo Grove, IL (US) | 50 dist |
| Manotherm | DIST | Wilmington, NC (US) | 3 mfrs |
| Megger megger.com | MFG | — (GB) | 4 dist |
| Industrial Controls Distributors LLC industrialcontrolsonline.com | DIST | Eatontown, NJ (US) | 5 mfrs |
| Enphase enphase.com | MFG | Fremont, CA (US) | 24 dist |