| Olympia Tile International Inc. | |
| 3308 - 11 Street S.E. | 403-287-1070 |
| Calgary, Alberta | Fax 403-243-1888 |
| T2G 3G8 | |
| Mr. Garnet Siry | garnet@olympiatile.com |
| Omega Joists Inc. | |
| #15, 2000 Pegasus Road N.E. | 403-250-7871 |
| Calgary, Alberta | Fax 403-250-7178 |
| T2E 8K7 | |
| Mr. Brian Moon | bmoon@omegajoists.com |
| Omicron Construction Management Ltd. | |
| 500, 833 4 Ave SW | 403-250-1833 |
| Calgary, Alberta | Fax 403-250-1877 |
| T2P 3T5 | |
| Mr. Dan Vanderwerff | dvanderwerff@omicronaec.com |
| On-Site Security Inc. | |
| 4910 Builders Rd. S.E. | 403-265-7337 |
| Calgary, Alberta | Fax 403-265-7338 |
| T2G 4C6 | www.onsitesecurityinc.com |
| Mr. Doug Kinley | dougk@onsitesecurityinc.com |
| Optimus Building Corporation | |
| 2nd Floor, 734 - 42 Ave. S.E. | 403-283-0000 |
| Calgary, Alberta | Fax 403-244-8895 |
| T2G 5N9 | www.obc.com |
| Mr. Bruce Mydland | bruce.mydland@obc.com |
| Opus Corporation | |
| #220, 1702 - 4 St. S.W. | 403-209-5555 |
| Calgary, Alberta | Fax 403-244-8943 |
| T2S 3A8 | www.opuscorp.ca |
| Mr. Brian Harford | bh@opuscorp.ca |
| Oskar Construction Ltd. | |
| P.O. Box 774 | 403-678-1118 |
| Banff, Alberta | Fax 403-678-0323 |
| T1L 1A8 | |
| Mr. Oskar Piefnasik | oskarconstruction@shaw.ca |
| Otis Canada Inc. | |
| Unit #7, 777 - 64 Ave. S.E. | 403-541-5261 |
| Calgary, Alberta | Fax 403-245-5515 |
| T2H 2C3 | www.otis.com |
| Mr. Tim Merkley | tim.merkley@otis.com |
| Over & Above Reno's & Contracting Ltd. | |
| Bay 122, 8490 - 44 St. S.E. | 403-726-1299 |
| Calgary, Alberta | Fax 403-726-1229 |
| T2C 2P6 | www.overandabove.ca |
| Mr. John Wipf | jwipf@overandabove.ca |
| Owens Corning Canada | |
| 3450 McNicoll Avenue | 1-866-446-0432 |
| Scarborough, ON | Fax 1-866-262-2607 |
| M1V 1Z5 | www.owenscorning.com |
| Mr. Mark Geres | mark.geres@owenscorning.com |
| OZ Contracting Inc. | |
| #300, 5 Richard Way S.W. | 403-253-7784 |
| Calgary, Alberta | Fax 403-253-7761 |
| T3E 7M8 | www.ozcontracting.ca |
| Mr. David Zimmerman | david@ozcontracting.ca |