| Business | Phone |
| Air Liquide America Corp 2120 Victoria St, Freeport 77541 | (979) 238-6200 |
| Basf Corp 602 Copper Rd, Freeport 77541 | (979) 415-6100 |
| Dow Chemical Co 2301 N Brazosport Blvd, Freeport 77541 | (979) 238-2011 |
| Gulf Chemical & Metallurgical 302 County Rd 624, Freeport 77541 | (979) 233-7882 |
| Ineos Oxide Gas Spec 2305 N Brazosport Blvd, Freeport 77541 | (979) 415-8500 |
| Nalco Energy Svc 2322 County Road 229, Freeport 77541 | (979) 233-3541 |
| Mineral Research & Development 302 County Road 624, Freeport 77541 | (979) 233-8183 |
| Rhone-Poulenc Inc 6213 E Highway 332, Freeport 77541 | (979) 238-8600 |
| Schenectady International 702 Fm 523 Rd, Freeport 77541 | (979) 233-3585 |
| Silica Products Inc 5640 E Highway 332, Freeport 77541 | (979) 230-9944 |