TriEst is the leading distributor and applicator of soil fumigation products in the Eastern United States. As an industry frontrunner with more than 50 years experience, TriEst Ag Group, Inc. brings expertise, innovation and uncompromising service to the soil fumigation and Ag Animal business.

TriCal Argentina is an agricultural support services partnership between TriCal Group and ABC based in Buenos Aires, Argentina.

TriCal South America SA specializes in regenerative soil treatments for fruit orchard replanting and vegetable cultivation across four South American countries: Chile, Argentina, Uruguay, and Peru.

Trical de Baja is Specialized in the distribution and application of insecticides and fumigants throughout the Baja, Sinaloa, Jalisco, and Michoacan regions of Mexico.

Founded in 1985, Trident Ag Products is a full service soil fumigation company serving the Pacific Northwest. Their goal is to help growers cultivate a safe, healthy, abundant and affordable food supply.

Trinity Manufacturing, Inc. is a manufacturer of specialty chemicals. One of the Trinity products is chloropicrin. Chloropicrin is used by potato farmers for soil fumigation in order to suppress soil-borne pathogens.