| Business | Phone |
| Bj Services Co 1050 River Rd, Berwick 70342 | (985) 384-8532 |
| Dowell Schlumberger Inc 2700 Bellview Front St, Berwick 70342 | (985) 384-0235 |
| Star Enterprises Inc 1046 River Rd, Berwick 70342 | (985) 384-8894 |
| M-I Swaco 3809 Bellview Front St, Berwick 70342 | (985) 385-2660 |