| Business | Phone |
| Alpha Controls Inc 2301 River Rd, Louisville 40206 | (502) 895-8441 |
| Bironas Inc 800 N English Station Rd, Louisville 40223 | (502) 245-5560 |
| Bledsoe & Assoc Inc 10121 Production Ct, Louisville 40299 | (502) 458-4121 |
| Cec Controls 11700 Westport Rd, Louisville 40245 | (502) 429-8479 |
| Cornerstone Controls Inc 11003 Bluegrass Pkwy # 540, Louisville 40299 | (502) 266-6828 |
| Dealers Lp Equipment Co 266 Carter Ave, Louisville 40229 | (502) 957-5630 |
| Industrial Controls 10125 Production Ct, Louisville 40299 | (502) 491-0560 |
| Industrial Thermal Systems Inc Louisville 40218 | (502) 454-0944 |
| Instrument & Technical Systs 7409 Falls Ridge Ct, Louisville 40241 | (502) 425-0710 |
| Process Controls Corp 7321 New Lagrange Rd 222, Louisville 40222 | (502) 326-0888 |
| Spence Temperature & Pressure 1861 Production Ct, Louisville 40299 | (502) 499-7667 |
| Tapco Products Inc Louisville 40202 | (502) 581-9693 |
| Tci Test & Controls Intl 11801 Diode Ct, Louisville 40299 | (502) 266-7099 |
| Temco Inc 3206 Indian Lake Dr, Louisville 40241 | (502) 491-2342 |
| Thal-Mor Associates Inc Louisville 40202 | (502) 585-5604 |