With consistent growth since its founding in Tampa, Florida in 1922, Thornton Laboratories has continuously expanded its laboratory capabilities and services. Continued involvement in new techniques has enabled Thornton to continue meeting the demands of the Fertilizer and Agricultural community. As a founding member of the Association of Fertilizer & Phosphate Chemists, Thornton Labs continuously works with clients in developing ‘fit for purpose’ methods for registration of new materials entering the marketplace, and in the reshaping of methods unique to the characterization of phosphate ores. Additionally, Thornton Labs assists fertilizer manufacturers and blenders in meeting their quality control requirements through routine analysis of raw materials and finished products. Thornton’s unwavering commitment to innovation in methodology ensures consistent delivery of cutting-edge results to their clients.