- Virginia Steel & Building Spec
- Virginia-Carolina Steel Inc
- VIS Industries
- Vista Steel Co
- Vital Link Inc
- Vital Link Inc
- Vulcan All Steel Structures
- Vulcan Engineering
- Vulcan Steel
- Vulcan Steel Co
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Corp
- Vulcraft Sales Corp
- W & D Svc Inc
- W & W Custom Fabrication
- W & W Rebar Inc
- W & W Steel Co
- W & W Steel Co
- W & W Steel Co
- W & W Steel Co
- W & W Steel Co
- W B Young Co
- W D Wilson Miscellaneous Fab
- W E & G Construction Co Inc
- W J Young Fastener & Machinery
- W L Jefsen Co
- W O Grubb Steel Erection Inc
- W R Medlin Co
- W S Erectors Inc
- W S Erectors Inc
- W S Erectors Inc
- W S Steel Structures
- W S Steel Structures
- W T Enterprises
- W T Pettit & Sons Co
- W W Steel Fabrication
- W-Steel & Grinding Inc
- WAB Fabricating Co
- WACO Metal Building Products
- Waconia Manufacturing Inc
- Wadleigh & Assoc
- Wagner Plate Works
- Wagner's Manufacturing-Fbrctng
- Waipahu Welding
- Waite Steel
- Walker Steel Co
- Walker's Iron Works
- Wallace Fabrication LLC
- Walluski Western LTD
- Walpar Inc
- Wamble's Machine Shop
- Ward Forging Co Inc
- Ward Welding
- Warner Robins Welding Inc
- Warren Fabricating & Machining
- Warren Fabricating Inc
- Warren Weldments
- Warren Weldments
- Warrens Equipment & Mfg Co
- Warrior River Steel LLC
- Wasatch Cad Inc
- Watkins Steel & Fabrication
- Watson Steel
- Waukegan Steel Sales Inc
- Waukesha Fabricating Co
- Wausau Hardware & Machine Co
- Wayer Sheet Metal
- Wayne Steel Supply Inc
- WCI Steel
- WCI Steel Inc
- We Can Fabricators
- Wear Concepts Inc
- Weaver Equipment
- Weaver's Structural Steel
- Wedco Fabrication Inc
- Wedlake Fabricating
- Wehmeyer Machine & Mfg
- Wehmeyer Machine & Mfg
- Weight Steel Construction Inc
- Weiler Steel
- Weiser Iron Inc
- Weisner Steel Products Inc
- Weiss Welding Inc
- Weld All Mfg Inc
- Weld In A Flash
- Weld Pro
- Weld Technology Of Va LLC
- Weld-Con Inc
- Weld-Done Welding Inc
- Weld-Tech
- Weldabout Fabrications
- Weldcraft Inc
- Weldcraft Products Co
- Welderfab1-Welding Co
- Weldfab LLC
- Welding & Machine Inc
- Welding Improvement Inc
- Welding Plus
- Welding Services
- Welding Services Of Alabama
- Welding Services Plus Inc
- Welding Shop
- Welding Shop
- Welding Specialties
- Welding Specialties Inc
- Welding Specialties Inc
- Welding Specialty Inc
- Welding Station
- Weldments Inc
- Weldon Steel Corp
- Weldon Steel Corp
- Weldrite Inc
- Wells Steel Co
- Wells/Mc Coy Steel Svc
- Wellsona Iron & Engineering
- Welsh Steel Fabrication
- Wenzel Steel Works
- Wereb Metal Fabricating Co
- Werks Machine
- Wertech Steel Fabrication
- Weslyn Manufacturing Inc
- Wesselhoeft Inc
- West Coast Fabricators
- West Coast Iron Inc
- West Coast Steel Fabricators
- West Coast Steel Mfg
- West Coast Wire & Steel
- West End Fabricators Inc
- West End Iron Works Inc
- West Fab
- West Ouachita Steel & Tank
- West Side Fabricating
- West Side Fabricating
- West Slope Ironworks
- West Valley Welding
- West Virginia Steel
- West Warwick Welding Inc
- Westchester Metal Works Inc
- Western Fabrication
- Western Fabrication
- Western Fabrication & Equip
- Western Industries Inc
- Western Slope Iron
- Western Slope Iron & Supply
- Western States Rebar Fbrctng
- Western States Steel & Fab Inc
- Western Steel
- Western Steel & Boiler Co
- Western Steel & Metals Inc
- Western Steel Fabricators
- Western Steel Inc
- Western Steel Mfg Co
- Western Steel Truss & Supply
- Western Steel Truss & Supply
- Western Structural Co
- Western Structural Co
- Western Superior Structurals
- WGI Fabrication
- Wharehouse Operation Inc
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Wheeling Corrugating Co
- Whip Industries Inc
- Whitco Steel Fabricators
- White Mule Co
- White Star Steel Lease
- White's Steel Inc
- Whitley Metal Inc
- Whitley Steel Co Inc
- Whitlow Electric Svc Inc
- Whitmore Steel Inc
- Whyoming Steel
- Wichita Steel Fabricators Inc
- Wichita Structural Steel Co
- Wick Fab
- Wiggins Co Ornamental Iron
- Wilborn Steel Co
- Wilborn Steel Co
- Wilco Direct Inc
- Wilco Machine & Fabrication
- Wilcox Metal Works Inc
- Wildcat Steel Works
- Wilkinson Steel Inc
- Will-Burt Co
- Willamette Manufacturing Inc
- Willco Engineering Sales & Svc
- Willerding Welding Co Inc
- Willfab Inc
- William Horn Structural Steel
- Williams Bridge Co
- Williams Fabricating LLC
- Williams Industries Inc
- Williams Steel Co
- Williams Steel Co
- Williams Welding
- Williamstown Fabricators
- Willis Welding & Machine Co
- Willow Fabrications
- Willy's Welding
- Willy's Welding
- Wilson Manufacturing & Design
- Wilson Metal Fab
- Wilson Point Steel Inc
- Wilson Steel Co
- Wilson Steel Products Co
- Wilson Welding & Fabrication
- Wilson Wrought Iron
- Wilton Corp
- Wiltsie Construction Co
- Windsor Steel
- Winston Steel & Stair Co
- Wipper Steel Corp
- Wisconsin Fabricating Co
- Wisconsin Metal Fab Inc
- Wisconsin Metals
- Wisconsin Stainless Head Mfg
- Wisconsin Steel Inc
- Wisconsin Structural Steel Co
- Wiseman Brothers Fabrication
- Wishart Welding
- Witzco Trailers Inc
- WMK & Co
- Woerner Wire Works
- WOLD Design Iron Works
- Wolf Steel USA Inc
- Wonder-Cutting Inc
- Wood Fabricators Inc
- Woodland Welding Works
- Woodland Welding Works
- Woodlawn Welding Inc
- Woods Metal Works
- Woodward Jogger Aerators
- Worcester County Welding
- Works By Joanie Inc
- World Wide Welding
- Worring & Sons Metal Works
- Worth Products
- Worth Tex Custom Steel Fab
- Worth Welding & Fabrication
- WOTCO Inc
- Wright Manufacturing LLC
- Wright Steel & Machine Co
- Wright's Iron & Steel Works
- Wss Indl Construction
- WTC Gerace Construction
- Ww Welding
- Wylie Steel Fabricators Inc
- Wylie Steel Fabricators Inc
- Wyoming Fabrication & Machine
- X Cel Steel Fabricating
- XKT Engineering Inc
- Xl Steel Inc
- Xtremetal Works
- Y N Welding & Fabricating Co
- Yadkin Valley Steel
- Yakima Steel Fabricators Inc
- Yale Steel
- Yale Steel-Fab
- Yankee Steel Inc
- Yetter Steel Inc
- Yetter Steel Inc
- Yoder Steel Corp
- Young Custom Metal Fabrication
- Young Steel Inc
- Young Steel Rule Dies
- Youngs Manufacturing
- Youngs Manufacturing
- Youngwirth Metal Fabricators
- Your Beauty Supply & More
- Yuba City Steel
- Zajic's Certified Welding
- Zalk Josephs Fabricators LLC
- Zanners Products Inc
- Zanners Products Inc
- Zeit Fabricators Inc
- Zephyer Products Inc
- Zia Metal Products
- Zieman Manufacturing Co
- Zimkor Industries LLC
- Zimkor LLC
- Zimmerman Steel & Supply
- Zinda Fabrication
- Zoo Pro
