| Business | Phone |
| Academy For Mathematics 435 Stone Rd W #209, Guelph N1G 2X6 | (519) 837-8847 |
| Achievement Solutions 64 Baker St, Guelph N1H 4G1 | (519) 836-9751 |
| International Credential 147 Wyndham St N, Guelph N1H 4E9 | (519) 763-7282 |
| Ontario Agricultural Training 450 Speedvale Ave W, Guelph N1H 7Y6 | (519) 763-3160 |
| Tutoring & Assessment Svc 129 Liverpool St, Guelph N1H 2L4 | (519) 822-3492 |
| Educational Computing Network 91 Westmount Rd, Guelph N1H 5J2 | (519) 824-7899 |
| Essoh Training 264 College Ave W, Guelph N1G 1S8 | (519) 766-4939 |