| Business | Phone |
| Mc Dowell & Co 2310 Lbj Fwy 100, Dallas 75234 | (972) 243-5700 |
| Industrial Seal Inc 10460 Markison Rd, Dallas 75238 | (214) 343-1075 |
| Porter Seal Co 1301 S Akard St, Dallas 75215 | (214) 426-2257 |
| Industrial Seal Of Tx Inc 14060 Markison, Dallas 75238 | (713) 691-3016 |