- Ultrafilter International
- Union Compression
- United Compressor Inc
- United Generator Svc Inc
- United Industrial Equip Corp
- United Industrial Equip Corp
- Univ-Air Equipment Co
- Universal Air Products Corp
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Compression
- Universal Sales Inc
- USA Compression
- USA Compression
- USA Compression
- USA Compression Corp
- USA Compression Corp
- USA Parts & Svc
- Vacuum Pumps & Compressors
- Vairex Corp
- Valerus Compression Svc LP
- Valerus Compression Svc LP
- Valerus Compression Svc LP
- Valley Compressor Svc
- Vantage Pump & Compressor Inc
- Vantage Pump & Compressor Inc
- Vantage Pump & Compressor Inc
- Vaughn Compressor Svc
- Ventura Compressor & Pump Rpr
- Virginia Compressor Svc Inc
- Volker R Strubbe Inc
- Vu Music
- Wabco Compressor Mfr Co
- WACO Austin Equipment Co
- Waggoner Air Compressor
- Warren NGL Inc
- Waukesha-Pearce Industries Inc
- Wayne's Small Engine & Equip
- Wayne-Vaughn Equipment Co Inc
- Weatherford Compression
- Weatherford Compression
- Wellhead Compressors Inc
- Wenniger Compressor Co
- West Branch Compressor Plant
- West Coast Compressor
- West Coast Compressor
- West Monroe Gas Gathering
- West Tn Air Comp Sales & Svc
- West Tn Air Comp Sales & Svc
- White Cap
- William F Surgi Equipment Corp
- William Hatton Air Compressors
- William J Becks Co
- Williams Air Compressor
- Wilson Air Equipment Co
- Wilson Air Equipment Co
- Wind Air Compressors Inc
- Wisconsin Compressed Air Corp
- Wisconsin Compressed Air Corp
- Wisconsin Compressed Air Corp
- Wisconsin Compressed Air Corp
- Wisconsin Compressed Air Corp
- Wise Air Inc
- Wise Inc
- Wistar Equipment
- Woodward Compressor Sales Inc
- Woody's Service Co
- Wyatt Compressor Svc
- Yakima Air Compressor Inc
- York Pump & Equipment
- York Technologies Corp
- Zimmco Equipment Inc
- Zorn Cochrane Compressor
- Zorn Cochrane Compressor Co
- Zorn-Cochrane Compressor
- Zorn-Cochrane Compressor Inc