| Business | Phone |
| Wright Environmental Mgmt Inc 9050 Yonge St #300, Richmond Hill L4C 9S6 | (905) 881-3950 |
| Earthguard Environmental Group 15 Wertheim Crt #404, Richmond Hill L4B 3H7 | (905) 763-1212 |
| Enviromental Auditors Ca Ltd 100 York Blvd #240, Richmond Hill L4B 1J8 | (905) 886-7965 |