Powder/Bulk Solids Manufacturers Listing
- W. A. Hammond Drietrite Company, Ltd.
- W. L. Gore & Associates Inc.
- W.S. Tyler
- Wabash MPI
- Waconia Manufacturing
- Wago Corp.
- Wajax Industrial Components
- Walinga Inc.
- Walker Magnetics
- Walker Stainless Equipment Co., Inc.
- WAM Inc.
- Water Works
- Watson-Marlow Inc.
- Webber/Smith Associates Inc.
- Weber Packaging Solutions
- WEDCO
- WEG Electric
- Weiler Rubber Technologies
- WEIMA America Inc.
- Wenger Manufacturing Inc.
- West Pack Inc.
- Western Pneumatics Inc
- Westfalia Technologies Inc.
- Wheelabrator Group
- Whirl-Air Flow
- Whirlwind Engineering Inc.
- Whitehouse Scientific Ltd.
- WIKA Instrument Corp.
- WIKA Instruments Canada Ltd.
- Williams Patent Crusher & Pulverizer Company, Inc.
- Windmoeller & Hoelscher Corp.
- Winsett Engineering Inc.
- Winzen Film & Fiber, Inc.
- Witte Company, Inc.
- WLPort-Land Systems Inc.
- Wolf Creek Co. Inc.
- World Bag
- Wrights Dowson Group
- Wyssmont Company Inc.