| Business | Phone |
| Basf 4403 Laport Highway 225, Pasadena 77503 | (281) 884-4336 |
| Rohm & Haas Co 13300 Bay Area Blvd, Pasadena 77507 | (281) 474-4495 |
| Process Device Svc 2519 E Southmore Ave, Pasadena 77502 | (713) 472-8122 |
| Southern Ionics Inc 12901 Baypark Rd, Pasadena 77507 | (281) 474-4826 |