

| Aetna Casualty & Surety Co. |
| Air Products and Chemical, Inc. |
| Alexis |
| American International Group |
| Anheuser Busch Companies |
| Aramark |
| Autos Vega, Inc. |
| Caleb Brett |
| Caribbean Cinemas |
| Concentrate Manufacturing Co., Inc. (The) Colorcon P. R. |
| Colorcon P. R. |
| Dorado Beach Hotel Corp. |
| Dover Elevators |
| E. I. DuPont de Nemours Company |
| E G & G Dynatrend, Inc. |
| E. W. Saybolt Co., Inc. |
| First UNUM Insurance Co. |
| Frito Lay of Puerto Rico, Inc. |
| General Accident Life Assurance |
| General Electric Co. |
| Harris Paint |
| Hill Construction, Inc. |
| Hill Helicopters |
| Homewood Corporation |
| ICI Americas, Inc. |
| Investcorp. |
| Liberty Mutual Insurance Corporation |
| LSI United (Subsidiary of ITT) |
| Mascaró Porter & Co. |
| Otis Elevator Company |
| PepsiCo., Inc. |
| Procter & Gamble Corp. |
| Sears, Roebuck and Company |
| Smith,Kline Beecham Corp. |
| Sun Life of Canada |
| The Home Depot |
| Trane Western Hemisphere |
| Walgreen Drug Stores |
| Wellcraft Marine |