| Business | Phone |
| A & A Environmental Svc Inc 195 King St, St Catharines L2R 3J6 | (905) 685-9747 |
| Ontario Environmental & Safety 530 Eastchester Ave E, St Catharines L2M 7P3 | (905) 988-1554 |
| Orser Environmental & Safety 195 King St, St Catharines L2R 3J6 | (905) 688-0500 |
| Terra-Dynamics Consulting 24 Nihan Dr #B, St Catharines L2N 1L1 | (905) 646-7931 |
| Chemical Samples Ltd 98 Welland Ave, St Catharines L2R 2N1 | (905) 641-1234 |
| Esg Intl Inc 24 Nihan Dr #B, St Catharines L2N 1L1 | (905) 935-2161 |
| Gartner Lee Ltd 110 Hannover Dr #22, St Catharines L2W 1A4 | (905) 688-5460 |