| Business | Phone |
| Environmental Compliance Group 1402 Glenhill Ln, Lewisville 75077 | (972) 436-8797 |
| Green Star Environmental 354 Mcdonnell St 9, Lewisville 75057 | (214) 222-8752 |
| Kba Enviroscience Inc 359 Lake Park Rd 110, Lewisville 75057 | (972) 436-9669 |
| Integral Environmental Inc 359 Lake Park Rd 126, Lewisville 75057 | (972) 436-3171 |
| Aaron & Wright Technical Svc 2054 Vista Dr, Lewisville 75067 | (972) 315-8522 |