| David Olson | Professor | at University of Alberta | · Edmonton |
| David Olson | Commercial Real Estate | at Lizotte and Associates Real Estate Inc. | · Edmonton |
| David Olson | Member | at Deeso Consulting | · Edmonton |
| David Olson | Owner | at Brown Sound Music Company Inc. | · Edmonton |
| David Olson | Construction | at PCL Construction | · Edmonton |
| David Olson | Deputy Sheriff-Cells/Escort Supervisor | at Courts | · Nanaimo |
| David Olson | Manager Application Systems | at Jack Chow Insurance | · Vancouver |
| David Olson | Member | at Gibson Energy Ltd. | · Calgary |
| David Olson | Owner | at Edgemont Chiropractic Clinic | · North Vancouver (district municipality) |
| David Olson | Member | at Copperleaf | · Vancouver |
| David Olson | director | at Pe Ben Oilfield Services Ltd. | · Calgary |
| David Olson | President | at Clean Up Busters | · Mississauga |
| David Olson | Member | at Olson, David | · Toronto |
| David Olson | VP Employee Benefits | at Nu Look Metal Store Fixtures | · Oshawa |
| David Olson | Hospital & Health Care | at MDA Space | · Richmond, British Columbia |
| David Olson | Member | at David B Olson | · Toronto |
| David Olson | Owner | at Port McNeill Auto Body Limited | · Port McNeill |
| David Olson | IT Manager | at Valeura Energy Inc. | · Calgary |
| David Olson | Member | at Adams Storage Langford | · Victoria, British Columbia |
| David P. Olson | Manager | at Royal Canadian Mounted Police (RCMP) | · Vancouver |
| David E. Olson | Investigator | at Government of Alberta | · Calgary |