| Business | Phone |
| Advanced Heat Transfer Tech 10 W Southfork Pines Cir 300, Spring 77381 | (281) 292-1335 |
| Master's Process Equipment Co 26118 Interstate 45, Spring 77386 | (281) 367-5699 |
| Masters Process Equipment 16000 Stuebner Airline Rd, Spring 77379 | (281) 367-5699 |