Abbott Laboratories Limited Amgen Canada Incorporated Bayer Incorporated Berlex Canada Incorporated Biomatrix Medical Canada Incorporated Edelman Public Relations Worldwide Glaxo-Wellcome Incorporated Hoeschst Marion Roussel Canada Incorporated Janssen-Ortho Incorporated Leo Laboratories Canada Limited Merck Frosst Canada Incorporated Medtronic of Canada Limited Novo Nordisk Canada Incorporated Parke-Davis Division of Warner-Lambert Canada Incorporated Pfizer Canada Incorporated Pharmacia & Upjohn Incorporated Proctor & Gamble Pharmaceuticals Canada Incorporated Purdue Frederick Incorporated Rhône-Poulenc Rorer Canada Incorporated Schering Canada Incorporated 3M Pharmaceuticals Division of 3M Canada Incorporated Wyeth Pharmaceuticals Zeneca Pharma Incorporated