| Business | Phone |
| Arc Abatement-Shreveport 4119 Metro Dr, Shreveport 71109 | (318) 635-6266 |
| Envirocon 9400 Village Green Dr, Shreveport 71115 | (318) 797-7177 |
| Alternative Bio-Technology Inc 1034 Boulevard St, Shreveport 71104 | (318) 222-1927 |
| Desoto Abstracts 2412 E 70th St, Shreveport 71105 | (318) 798-1210 |
| La Research Ctr 3217 Mabel St, Shreveport 71103 | (318) 525-3233 |
| Psi 3825 Gilbert Dr, Shreveport 71104 | (318) 861-5931 |
| Environmental Biotech Elmo Cason Rd, Shreveport 71101 | (318) 932-0222 |
| Pro Lab Clinical Laboratories 839 Kings Hwy 111, Shreveport 71104 | (318) 221-1280 |
| Environmental Consultants 7649 White Oak Dr, Shreveport 71129 | (318) 671-7133 |