Description Tanner plies the trade of chemical shipping and warehousing. The company distributes anhydrous ammonia and ammonium hydroxide by tank truck, railcar, drum, and cylinder to US customers from approximately 20 facilities. It makes more than 20,000 deliveries per year, and operates 200 trucks and 150 rail cars. The company also provides custom blending, contract packaging, and safety training services. Tanner's products are sold to companies in the refrigeration, metal treatment, agriculture, personal care product, pulp and paper, and water treatment industries. The company, which was founded in 1954 by Lawrence Tanner, is run by a third generation of Tanner family members.