| Business | Phone |
| Advance Vet Lab 6625 Kitimat Rd #51, Mississauga L5N 6J1 | (905) 567-0597 |
| Agat Laboratories 1980 Boylen Rd, Mississauga L5S 1P5 | (905) 501-9998 |
| Amec Earth & Environmental Ltd 160 Traders Blvd E #110, Mississauga L4Z 3K7 | (905) 890-0785 |
| Aurora Laboratory 5175 Timberlea Blvd, Mississauga L4W 2S3 | (905) 624-2806 |
| Industrial Laboratories-Canada 6535 Millcreek Dr #55, Mississauga L5N 2M2 | (905) 858-8630 |
| Maxxam Analytic 4141 Sladeview Cres #10, Mississauga L5L 5T1 | (905) 569-7599 |
| Micro-Chem Laboratory Inc 530 Otto Rd #10, Mississauga L5T 2L5 | (905) 795-0490 |
| Pci Chemicals Canada Inc 2101 Hadwen Rd, Mississauga L5K 2L3 | (905) 823-7160 |
| Philip Analytical Svc Corp 5735 Mcadam Rd, Mississauga L4Z 1N9 | (905) 890-8566 |
| Becquerel Laboratories Inc 6790 Kitimat Rd #4, Mississauga L5N 5L9 | (905) 826-3080 |
| Entech 6820 Kitimat Rd #4, Mississauga L5N 5M3 | (905) 821-1112 |
| Sgs Pharmaceutical Lab 310 Brunel Rd, Mississauga L4Z 2C2 | (905) 890-4880 |
| Triodem Technical Svc Ltd 2421 Drew Rd, Mississauga L5S 1A1 | (905) 673-9899 |
| Cambridge Materials Testing 6991 Millcreek Dr #13, Mississauga L5N 6B9 | (905) 812-3856 |
| Construction Testing Labs 1585 Britannia Rd E #D11, Mississauga L4W 2M4 | (905) 795-0767 |
| Diagnostis Ltd 400 Matheson Blvd E #15, Mississauga L4Z 1N8 | (905) 890-6023 |
| Gelda Scientific & Ind Dev 6320 Northwest Dr, Mississauga L4V 1J7 | (905) 673-9320 |
| Genetest Laboratories 2172 Erin Centre Blvd, Mississauga L5M 5H8 | (905) 607-8628 |