| Business | Phone |
| Altec Environmental 2920 Truly Ln, Shreveport 71118 | (318) 687-3771 |
| Ana-Lab Corp 3100 Knight St 4, Shreveport 71105 | (318) 219-9300 |
| Reyncor Industrial Alcohol 10845 Highway 1, Shreveport 71115 | (318) 797-0087 |
| Atlantic Industrial Svc 2760 Valley View Dr, Shreveport 71108 | (318) 688-1191 |
| C-K Assoc Llc 2001 E 70th St 503, Shreveport 71105 | (318) 797-8636 |
| Camp Dresser & Mc Kee Inc 330 Marshall St 920, Shreveport 71101 | (318) 227-1064 |
| Colton Environmental Svc 9599 Wallace Lake Rd, Shreveport 71106 | (318) 688-2947 |
| Conestoga-Rovers & Assoc 2924 Knight St, Shreveport 71105 | (318) 868-3003 |
| Eagle Environmental 4700 Line Ave, Shreveport 71106 | (318) 868-4646 |
| Environmental Compliance Spec 708 Milam St, Shreveport 71101 | (318) 227-4970 |
| Gulf States Environmental Labs 222 Spring St, Shreveport 71101 | (318) 220-9067 |
| Jones Environmental Inc 708 Milam St 100, Shreveport 71101 | (318) 226-8444 |
| Precision Probe & Drilling 9212 Youree Dr, Shreveport 71115 | (318) 798-0094 |
| Shaw Environmental/Infrstrctr 3003 Knight St 122, Shreveport 71105 | (318) 869-2765 |
| Srp Environmental 348 Aero Dr, Shreveport 71107 | (318) 222-2364 |
| Walker Hill Environmental Inc 1965 Motes Island Cir, Shreveport 71107 | (318) 424-9790 |
| Yellow Finch 400 Travis St, Shreveport 71101 | (318) 425-3682 |