American General Insurance, Banco Grupo, BancoPlus,  Bank of Boston, Capital Savings,
Central Bank (Dominican Republic), Chase Manhattan, East River Savings, Equibank, First Chicago, First Interstate, First Texas Gibraltar, Goldome,
Household Bank, Morgan Guaranty, San Antonio Savings, United Savings

Developers - Real Estate and Hospitality

AGA Corporation, Adda Hotels, Arvida, Butik Jamboran, Castello Torre Ratti, Catellus, Codeteca, Coquelin Group, Deltona, Dworman Associates, Eagle Creek, Fairfield Communities, First Hartford, Glick Organization, Harbor Group, Horizon Land, Hovnanian Brothers, Hovsons, Hovbilt, Intact Structures, Jamaican Government, Klingbiel Company, Largo Properties, Lomas & Netteleton, London & Leeds, Mackle Brothers, Manhattan Club, Mathews- Phillips, New York City Real Estate Department, Paprin Development, Parrot Cay, Ritz Carlton Club, Rose Hall Development, Shawnee Development, Silverhawk International, Talon Group, Tisch Corporation, Timeshare Smart, Trump Organization, United States GSA,  Vistana, Vacation4Gold, Wiggins Group, Zeckendorf Corporation

Multi - Nationals

Blue Ribbon International, Comfort Inn, Daito Kogyo, Exxon, Falcon Group, Hampton Inn, Holiday Inn, Interval International, International Paper , ITT, J.C. Carras, Loews, MAXXAM, Megaworld, MCO Holdings, National Committee for Habitat, Oriflame International, RCI/Cendant, Radisson Corporation, Sheraton, Star-Glo Industries, United Nations Center for Human Settlements, United Nations Environment Programme, United States Steel (USX)