- W & L Contractors
- W E Ragland Logging
- W G Sullivan Lumber Co
- W H Sandusky & Son
- W L Byrd Lumber Co
- W L Byrd Lumber Co
- Wagner Sawmill
- Waninger Timber & Trucking
- Ward Lumber Co
- Watson & Harvey Portable Swmll
- Webster Lumber Co
- Weikle Bros Lumber Co
- West Haven Lumber Co
- West Mi Saw Mill & Lumber
- West Rock Wood Products
- Weyerhaeuser Co
- Weyerhaeuser Co
- White Lumber Co
- White Oak Stave Inc
- White Rock Tie & Lumber Corp
- White Rock Tie & Lumber Corp
- Wichita Saw Mill
- Wiebelhaus Enterprises
- Wiebelhaus Enterprises
- Wieland & Sons Lumber Co
- Wiitala Brothers Logging
- Wilcox Lumber
- Willapa Bay Hardwoods
- William Sheppard Lumber Co
- Williams Brothers
- Wilson Operations Inc
- Wolf Lumber Co
- Wolverine Wood Products
- Wood Creek Sawmill
- Wood Millers Inc
- Wood Shop
- Woodman's Sawmill & Cabinetry
- Woodrum Lumber Co
- Woods Of Mission Timber LTD
- Woodwurx Corp
- Wooldridge Lumber Co
- Wyman & Son Inc
- Yellowstone Power Inc
- Yoder Mill
- Zirkle Lumber Co
