| Business | Phone |
| A R Plus 35 Keefer Crt, Hamilton L8E 4V4 | (905) 578-6377 |
| Archaeological Services Inc 20 Hughson St S #701, Hamilton L8N 2A1 | (905) 572-9488 |
| International Co-Op Of Child 150 Main St W #530, Hamilton L8P 1H8 | (905) 540-8894 |
| Land Air & Water Environment 225 Main St W, Hamilton L8P 1J4 | (905) 529-2374 |
| M & A Environmental Consultant 172 Hillcrest Ave, Hamilton L8P 2X4 | (905) 529-0678 |
| Pinchin Environmental Ltd 875 Main St W #8, Hamilton L8S 4P9 | (905) 577-6206 |
| Bio-Software 225 Main St W, Hamilton L8P 1J4 | (905) 308-7821 |
| Team-1 Environmental Svc 1650 Upper Ottawa St #2, Hamilton L8W 3P2 | (905) 383-5550 |
| Echelon Response & Training 16 Harlowe Rd, Hamilton L8W 3R6 | (905) 388-4444 |
| Enviro-Core Inc 100 King St W, Hamilton L8P 1A2 | (905) 527-1892 |