3DI



ABC Wide World of Sports



Allen Center



American General



Arabco



Athenian Oil Tankers



Baylor College of Medicine



Caldwell Banker



Century Development



CH2MHILL



Cinco Ranch



City of Houston



Coastal Conservation Association



Conoco



Continental Airlines



Crescent Real Estate Equities



CRS



Cypressbrook Development



EM Group



Friendswood Development



Galveston Bay Foundation



George Mitchell Developments



Greater Houston Convention and Visitors Bureau



Greater Houston Convention and Entertainment Facilities



Greater Houston Partnership



Greenway Plaza



Halliburton



Henry C. Beck Construction



Hercules Offshore



Hermann Memorial Hospital



Hilton



Hines



HOK



Houston Airport Systems



Houston Center



Houston Chronicle



Houston Endowment

Houston Museum of Natural Science



Houston Parks Board



HVJ Associates



ING/Clarion



Judson Design



Keep Houston Beautiful



Kenner Manufacturing



Kerr McGee



LAN



Leyendecker Group



MD Anderson Hospital



Metro



NASA



National Public Radio



National Semiconductor



Norse Energy



Page Sutherland



Pennzoil



PGA



Port of Houston



PRC



Public Broadcast Services



Rives Carlberg



Robert Day Associates



Saudconsult



Shell



Siemens



Southwestern Bell



Texas Childrens Hospital



Texas Eastern Transmission



Texas Heart Institute



Tracker Marine



Trust for Public Land



Turner Construction



United Gas and Pipeline



Western Companies



Western Oceanic