Wuhan Zhifa Technology Development Co., Ltd.
- Producer of organic silicone de-foaming, mold-release, and softening agents, wax mold cleaning agents, oils for wire-drawing and rolling, and wetting agents. Located in China.
- http://www.zhifa-tech.com

Wujiang Zhenrong Chemical Co., Ltd.
- Produces dye and pharmaceutical intermediates, organic solvents and some specialty chemicals.
- http://www.zhenrchem.com

Wilbra s.a.s.
- Produces chemical and auxiliary products for leather and shoes (glue, adhesive, shoe polish, patent leather, dye, auxiliary products, socks).
- http://www.wilbra.com/

Wacker-Chemie
- Product range includes fine chemicals, catalysts, base materials (acetyls), cyclodextrins and polymer products, e.g. VINNAPAS-redispersible powders, a leading product for the building chemicals industry.
- http://www.wacker.com/

WM Barr
- Custom chemical blender and packager for the coatings industry.
- http://www.wmbarr.com/

William Blythe
- A UK based manufacturer of inorganic chemicals.
- http://www.wm-blythe.co.uk/

Wright Corporation
- Supplies custom and fine organic chemicals and organosilanes, including pharmaceutical intermediates.
- http://www.wrightcorp.com/

Well Flow LLC
- Manufactures specialty chemicals and engineered products used in the completion of oil and gas wells.
- http://www.well-flow.com/