| Business | Phone |
| Agincourt Allergy Ctr Ltd 5 Fairview Mall Dr, North York M2J 2Z1 | (416) 497-3177 |
| Insultech Inc 100 Milvan Dr, North York M9L 1Z6 | (416) 746-8989 |
| Sgs Canada Inc 1885 Leslie St, North York M3B 2M3 | (416) 445-5755 |
| Experchem Laboratories 1111 Flint Rd #40, North York M3J 3C7 | (416) 665-2134 |
| Tuv Rheinland 344 Sheppard Ave E #3, North York M2N 3B4 | (416) 733-3677 |
| Vetribex 1000 Finch Ave W, North York M3J 2V5 | (416) 736-7040 |
| Cardinal Laboratories 43 Railside Rd, North York M3A 3L9 | (416) 447-9126 |
| Engineering Material Research 35 Carl Hall Rd, North York M3K 2B6 | (416) 638-3453 |
| Falconmet Engineering & Labs 1111 Flint Rd, North York M3J 3C7 | (416) 661-3183 |