JR Peters, Inc. is a family-run Allentown manufacturer of water-soluble fertilizers, custom formulations, and toll-produced nutrient blends for growers and retailers. Founded by Bob Peters in 1947 as a soil-testing and horticultural advisory business, it remains rooted in the Peters family and now operates as a third-generation company under Cari and John Raymond. Its on-site laboratory sits alongside production, supporting fertilizer development, quality control, and grower testing with typical sample results in about three business days.
Morral Companies LLCMorral Companies LLC is an Ohio family business founded in 1963 that formulates, manufactures, and packages fertilizers and other agricultural products. It began by serving local farms and has developed specialties in liquid and dry fertilizers, including its proprietary NBN controlled-release fertilizers; its facilities also provide custom manufacturing for fertilizer and marketing companies.CALEDONIA, OH
Espoma OrganicFounded in 1929 by H.G. Sanders, Espoma Organic makes natural and organic fertilizers and soil products for home gardeners. Still family-owned through five generations, the South Jersey company operates manufacturing facilities in New Jersey and Pennsylvania, including a solar-powered Millville plant and a 60,000-square-foot facility in Hegins. Its long-running Tone fertilizer line, including the original Holly-tone introduced in 1946, has helped make organic gardening a family tradition for more than nine decades.HEGINS, PA
Growers Mineral, CorpFounded in 1955 by an agricultural researcher, a fertilizer marketer and a business manager, Growers Mineral, Corp. produces and sells its non-toxic Growers Mineral Solution liquid fertilizer from Milan, Ohio. The family-owned company still operates from a former 1905 brewery and now serves farmers across 27 U.S. states, Ontario and Quebec. Its program pairs the fertilizer with practical soil-health guidance, on-farm research and educational meetings, carrying the founders’ agricultural approach into a third generation of day-to-day leadership.MILAN, OH
Suståne Natural Fertilizer, IncSince 1988, Suståne Natural Fertilizer has manufactured organic and natural slow-release nitrogen fertilizers and soil builders from aerobically composted agricultural resources at its Minnesota operation. Its products are used by growers, turf managers and horticulturists in more than 60 countries, with the company controlling its raw materials, composting and manufacturing processes in-house. Suståne also maintains an analytical chemistry lab and supports its formulations with more than 800 independent studies.STAATSBURG, NY