- Terra Drilling Co Inc
- Terra Firma Geotechnical Eng
- Terra Firma Geotechnical Engr
- Tim Ford Construction
- Titan Poured Walls
- TMJ Foundation Co Inc
- Today's Construction
- Toledo Caisson Corp
- Tom Mc Allister Poured Fndtns
- Tom Phelps Foundations
- Top Quality Foundation Inc
- Total Moisture Control Inc
- Traedon Construction
- Trevi Icos Yard
- Tri-County Foundations Inc
- Tri-County Foundations Inc
- Tri-State Concrete Correction
- Tri-State Poured Walls Inc
- Tri-State Wall & Floor Repair
- Triple Q Foundations Co
- Triple S Foundation Inc
- Tru-Wall Construction Co
- Tru-Wall Construction Co
- True Bolt Foundations
- True-Forms Inc
- True-Forms Inc
- Tulsa Crawlspace & Foundation
- Tulsa Foundation
- Tulsa Quality Foundation
- Turcotte Foundations
- Twin Lakes Concrete Inc
- Under Construction
- Underpinning & Foundation
- Uni-Lift Corp
- Unique Foundations Inc
- United Foundation Inc
- United House Leveling
- United Structural Systems
- United Structural Systems
- United Structural Systems Inc
- United Structural Systems LTD
- Urban Foundations Engineering
- Uretek Icr Mid Atlantic
- Uretek USA Inc
- Vallieres Waterproofing Systs
- Van-KAMP Concrete Foundation
- Vic Peery Construction
- Vickers Concrete Reinforcing
- Vincent Concrete Contracting
- Vintage Construction
- Voss Concrete
- W B Construction
- W E Beaty Inc
- W Jung Construction
- Wagner's Mud-Jacking Co
- Walker Construction
- Walker Construction
- Wall Anchors Of Northeast Ohio
- Wallace's Poured Foundations
- Walton Foundations
- Water Gone
- Waterstone Microfoundations
- Wayne Holmes Basement Contr
- Wck LLC
- Wedaman Construction LLC
- Wells Foundation Specialist
- Werlau Construction
- West Coast Foundation Inc
- West Valley Termite Control
- Western Building Professionals
- Western Foundations & Shoring
- Whittaker Building Restoration
- William L Penny Construction
- William R Lane Construction
- Williams Foundation
- Williams Foundations Inc
- Willis Rap Foundations
- WMR Inc
- Wright Construction Co
- WRS Foundation Solutions Inc
- Wurster Engineering & Constr
- Xcel Foundations
- Xcel Foundations
- Ybc Construction Co
- York Footings
- Zelasko Construction