| Business | Phone |
| Clean Harbors Environmental 8 Queensbury Dr, Greenville 29617 | (864) 246-7771 |
| Commonwealth Laboratories Inc 209 W Antrim Dr, Greenville 29607 | (864) 271-3256 |
| Condor Environmental Inc 508 Poinsett Hwy, Greenville 29609 | (864) 242-6644 |
| Daniels Scientific 1995 Perimeter Rd, Greenville 29605 | (864) 277-1309 |
| Energy Control & Svc Inc 25 Woods Lake Rd # 205, Greenville 29607 | (864) 232-6556 |
| Environmental Accessories 102 Half Mile Pl, Greenville 29609 | (864) 850-1069 |
| Environmental Accessories 5901 Augusta Rd, Greenville 29605 | (864) 236-0380 |
| Environmental Permitting 123 W Stone Ave, Greenville 29609 | (864) 271-3040 |
| Environmental Safety Sales 147 Grace St, Greenville 29601 | (864) 295-3728 |
| Envirosouth Inc 3440 Augusta Rd, Greenville 29605 | (864) 236-9010 |
| Fabl Environmental Rgltry 2510 Wade Hampton Blvd # A-F, Greenville 29615 | (864) 322-5780 |
| General Engineering 111 Smith Hines Rd, Greenville 29607 | (864) 676-2202 |
| Hepaco Inc 9 Saluda Dam Rd, Greenville 29611 | (864) 220-0700 |
| Holston Co 10 Geneva Ct, Greenville 29607 | (864) 281-0828 |
| J L Rogers & Callcott Inc 718 Lowndes Hill Rd, Greenville 29607 | (864) 232-1556 |
| Kestrel Horizons Llc 20 Creekview Ct # B, Greenville 29615 | (864) 288-6353 |
| Law Gibb Group Inc 4 Interchange Blvd, Greenville 29607 | (864) 288-5116 |
| Mactec Engineering-Consulting 1327 Miller Rd, Greenville 29607 | (864) 288-5116 |
| Mold & Air Quality Testing Greenville 29601 | (864) 895-9222 |
| Pinnacle Consulting Group 200 E Camperdown Way # 200b, Greenville 29601 | (864) 467-0811 |
| Shamrock Environmental Corp Greenville 29601 | (864) 250-0059 |
| Trigon Engineering Consultants 153 Brozzini Ct # C, Greenville 29615 | (864) 297-3557 |