| Business | Phone |
| Baker Petrolite 101 Center St, Deer Park 77536 | (281) 476-1600 |
| Basf Corp 4403 Highway 225, Deer Park 77536 | (281) 476-0398 |
| Dow Chemical Co 600 Battleground Rd, Deer Park 77536 | (713) 246-0369 |
| Lubrizol Corp 41 Tidal Rd, Deer Park 77536 | (281) 479-2851 |
| Lubrizol Corp Tidal Rd, Deer Park 77536 | (281) 479-2718 |