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- Western Slope Towers LlcMontrose, CO
- Western States Reclamation LlcFredrick, CO
- White River Electric Assn. Inc.Meeker, CO
- Willow Creek Electric LlcGrand Junction, CO
- Willson Spectrum, LlcThornton, CO
- Winn-marion Barber LlcCentennial, CO
- Wirelessco LP (dba Sprint Pcs)Denver, CO
- Wittrig Robert S ConstructionNew Castle, CO
- Wow Enterprises IncBoulder, CO
- Wray Municipal AirportWray, CO