- Tri-Com Inc
- Trinet Construction
- Tron Construction
- Turchet Construction
- Turner Construction
- U Build It
- Ubuildit
- Ubuildit
- UCI Construction Inc
- UMB Corp
- Unistrut Northern California
- Universal Construction
- Urban Design Concepts
- Utility Planners Inc
- Valletta Construction Inc
- Vanguard Construction
- Vanguard Construction & Rfng
- Vanir Construction
- Vanpelt Construction Svc
- Vantage Point Builders
- Vassar Roofing & Waterproofing
- Velonda Lancaster
- Verbalee
- VHA Highway Program
- W A Johnson Construction
- W F Dexter
- Wall Construction
- Warren Peterson Construction
- Wayne S Sadowski Accounting
- WCSCA
- Wentz Group
- West Coast Construction Svc
- West Coast Property Consultant
- West Concrete Inc
- West Star Construction Inc
- West Valley Builders
- Westcon Construction Corp
- Westland Construction Inc
- Wildflower West LLC
- William G Tadlock Inc
- Willkom Construction
- WMC
- Wolffrock Construction
- Woodland Group Inc
- Works Construction Inc
- Xina Consultants
- Yama Construction
- Yatir Corp
- Yeager Skanska Inc
- Yooca Construction
- Zhou's International Inc
- Zoo Crew Construction
- Zumwalt Construction Inc
