Site Acquisition American Tower (tower developer) Comsearch (tower & rooftop space) Pinnacle Towers (tower developer) Telecom Site Source Clearshot Communications (tower developer) Sprint PCS' tower site Crown Castle International (tower developer) TeleStructures, Inc. (equipment manufacturer for stealth sites) SBA Communications (tower developer) SpectraSite Communications (tower developer) Cellular Telecommunications & Internet Associations' (informational site) Fryers Guide to existing telecom sites (subscription required) Land Use Planning Online ordinance for cities and counties Text of the 1996 Telecommunications Act US frequency allocation chart National Telecommunications and Information Administration California Land Use Planning Information Network Plain Talk Planning Construction Management (links here) Interconnect Engineering (links here)