| Business | Phone |
| Comtrol Services 12154 River Rd B, Saint Rose 70087 | (504) 467-4900 |
| Pace Analytical Svc Inc 1000 Riverbend Dr F, Saint Rose 70087 | (504) 469-0333 |
| Sgs North America 107 Pintail St, Saint Rose 70087 | (504) 464-4511 |
| Sgs Minerals Svc 107 Pintail St, Saint Rose 70087 | (504) 467-5522 |
| Tj/H2b Analytical Svc 1000 Riverbend Dr O, Saint Rose 70087 | (504) 468-8837 |