| Business | Phone |
| Asset Consulting & Inspections 3115 6 St Ne, Calgary T2E 7Z9 | (403) 276-7411 |
| Johnson Roofing Technology Ltd 254064 Rang 284, Calgary T2M 4L5 | (403) 226-0485 |
| L M Roof Inspection & Cnsltng 60 Silver Brook Dr Nw, Calgary T3B 3H3 | (403) 247-2093 |
| Mason-Row & Assoc Inc 2323 32 Ave Ne #203c, Calgary T2E 6Z3 | (403) 543-7707 |
| Mike Zahner Roof Consultants 3303 Barrett Pl Nw, Calgary T2L 1W5 | (403) 284-2477 |
| R J Roof Inspection Svc 5501 1a St Sw, Calgary T2H 0E6 | (403) 259-3040 |