Started in 1947, J.R. Peters Inc. is a custom toll manufacturer, designer, formulator and producer of fertilizer products for the horticulture, specialty agriculture and retail markets. Based in Allentown, Pa., the company offers contract and private label fertilizer blending, as well as markets specialty chemicals designed to supplement fertilization programs for professional greenhouse and nursery crops. It manufactures premium-quality water-soluble fertilizer products, as well as provides state-of-the-art laboratory services. The company also produces specialty fertilizer products for other companies on a contract or toll basis.