| Business | Phone |
| A-1 Superhead & Engines Inc 9722 Honeywell St, Houston 77074 | (713) 774-4949 |
| A Guaranteed Motors 841 W 20th St, Houston 77008 | (713) 869-9161 |
| Abc Engine Rebuilders 2120 Shepherd Dr, Houston 77007 | (713) 864-7700 |
| Aer Mfg Inc 3700 Claymoore Park Dr 160, Houston 77043 | (713) 895-0475 |
| Custom Automotive Machining 4940 Pinemont Dr, Houston 77092 | (713) 686-3035 |
| Engine Depot & Automotive Svc 3510 Oak Forest Dr, Houston 77018 | (713) 688-7772 |
| Faerman Racing Engines 4200 Pinemont Dr, Houston 77018 | (713) 686-7909 |
| Harris Engine & Grinding 13137 Verdun Dr, Houston 77049 | (281) 458-7696 |
| Ict Engines Inc 200 Ssgt Macario Garcia Dr, Houston 77011 | (713) 923-8888 |
| Johnny Frank's Auto Parts 1225 Sawyer St, Houston 77007 | (713) 869-6200 |
| Joey's Engine's & Engine Parts 1127 W 34th St, Houston 77018 | (713) 880-0448 |
| Joeyco Engine 630 W Gulf Bank Rd, Houston 77037 | (281) 999-9957 |
| Mss Svc Performance 410 W Canino Rd, Houston 77037 | (281) 847-3222 |
| National Engine & Supply Wrhse 4315 Airline Dr, Houston 77022 | (713) 691-3010 |