| A.J. Diamond | Keeprite Inc. - ICG. |
| Ainley & Associates | Kellogg Salada Company |
| Armel Corporation | Lebovic Enterprises |
| Black, Shoemaker, Robinson & Donaldson Ltd. | MacClear Studios |
| Bramalea Limited | MacLaren Engineering |
| Bregman & Hamann Architects | Masongsong Associates Engineering Ltd. |
| C.C. Parker Consultants | Mastercraft Corporation |
| C-I-L | Regional Municipality of Peel |
| Climans, Green, Liang Architects Inc. | Olympia and York |
| City of Scarborough | Page & Steele Architects |
| City TV | Petrosar |
| City of Mississauga | Proctor & Redfern |
| CN Railway | Quadrangle Architects |
| Coldwell Banker | Reich & Petch Architects Inc. |
| CP Railway | Reinders Consultants Limited |
| Cumming-Cockburn Limited | Sabourin Kimble & Associates |
| Delcan Engineering | Glenn Schnarr & Associates |
| DS-LEA Associates | Scollard Film Productions |
| EMC Group | G.M. Sernas & Associates Ltd. |
| Echlin Canada | Stone, Kohn, McQuire, Vogt Architects |
| Fenco Engineers | Toronto Transit Commission |
| First City Developments | Totten, Sims, Hubicki Associates |
| Gagnon, Law, Bozzo Urban Planners | Upper Canada Consultants |
| General Motors | Walker Nott Dragicevic |
| Heron Group | Wallman, Clewes, Bergman Architects Ltd. |
| HTS Engineering | Webb Zerafa Menkes Housden |
| IBM | Weston Consulting |
| IPCF | Young & Wright Architects |
| Anton Kikas Ltd. | Zeidler Roberts Partnership Architects |
Building Developers Government Agencies
| Anaheim Developments | Canada Post |
| Bayhill Developments | City of Belleville |
| Bramalea Limited | City of Mississauga |
| The Camrost Group | City of North York |
| Centennial Group | City of Scarborough |
| Daniels Development | Ministry of the Environment (Ontario) |
| First City Developments | Ministry of Transportation |
| The Georgian Group | National Research Council |
| Goldfan Holdings Limited | Peel/Dufferin Separate School Board of Education |
| Graywood Developments Ltd. | Regional Municipality of Halton |
| Guided Investments | Regional Municipality of Peel |
| H & R Developments | Renfrew County Separate School Board of Education |
| Menkes Development Inc. | Scarborough Separate School Board of Education |
| Metrus Management-Land Dev. | Scarborough Board of Education |
| Monarch Construction | |
| Redcliff Homes | |
| Rylar Developments | |
| Penta-Stolp Group | |
| Tridel Corporation |
