| Business | Phone |
| Envirocorp Inc 51728 Indiana State Route 933, South Bend 46637 | (574) 287-2282 |
| Environmental & Production 17455 Douglas Rd, South Bend 46635 | (574) 277-2577 |
| Environmental Quality Lab Inc 113 W Fairview Ave, South Bend 46614 | (574) 289-4501 |
| Envirosolutions 317 S Eddy St, South Bend 46617 | (574) 233-3996 |
| Eps Environmental & Prod'N 17455 Douglas Rd, South Bend 46635 | (574) 247-6000 |
| Handex 4310 Technology Dr # A, South Bend 46628 | (574) 232-6836 |
| Heartland Environmental Assoc 3410 Mishawaka Ave, South Bend 46615 | (574) 289-1191 |
| Osi Environmental Inc 108 N Main St, South Bend 46601 | (574) 283-0062 |
| Quality Environmental Prfsnls 120 W Lasalle Ave, South Bend 46601 | (574) 234-1475 |
| Wightman Petrie Inc 713 S Scott St, South Bend 46601 | (574) 232-4388 |