| Business | Phone |
| Babcock & Wilcox Co 12970 Pandora Dr 203, Dallas 75238 | (214) 348-7509 |
| Holman Boiler Works Inc 1956 Singleton Blvd, Dallas 75212 | (214) 637-0020 |
| Usa Distributors Inc 209 Julian St, Dallas 75203 | (214) 942-3766 |
| Nation Oslin Co 5510 S Westmoreland Rd, Dallas 75237 | (214) 333-2035 |