FMC Wyoming Corporation is pretty much as it sounds, a division of the FMC Corporation that is based in Green River, Wyoming. FMC Wyoming mines and manufactures sodium carbonate and soda ash for pulp and paper companies; its products also go into the making of livestock feed and other products of the agricultural industry. Its caustic soda and soda ash also are used to make glass and in the manufacture of chemicals. FMC Wyoming accounts for the majority of its parent company's alkali chemicals segment.