| Business | Phone |
| Andrich Developments Ltd 123 Woolwich St, Guelph N1H 3V1 | (519) 822-6102 |
| Campus Estates Ltd 345 Woolwich St, Guelph N1H 3W4 | (519) 823-5153 |
| Canic Developments Inc 21 Victoria Rd N #207, Guelph N1E 5G6 | (519) 821-4230 |
| Carbrid Enterprises Ltd 147 Wyndham St N #401, Guelph N1H 4E9 | (519) 822-6695 |
| Cerniuk Construction Ltd 355 Elmira Rd N #125, Guelph N1K 1S5 | (519) 822-0141 |