1964 Built by W.R. Grace & Co.

Est. in 1964

The Henry plant was constructed by W.R. Grace & Co in Henry, IL. Built to manufacture granulated NPK fertilizer products, the facility uses the TVA IFDC cross-pipe reactor-granulation system. The plant's heritage and design contribute to the premium quality product produced in Henry, IL, throughout the facility's history.

1994 Agrium
2010 United Suppliers
2017 Unity Envirotech

Owners & Operators

The facility has historically been managed by some of the largest operators in the industry.

2018 Jacobs Engineering Assessment

Repairs, Replacements & Improvements

The company partnered with Jacobs Engineering to design a plan to improve plant efficiency and maximize production volumes.

2019 Negotiating New Offtake Agreements
2019 Completed Plant Optimizations

Commitment to Community

Centilion maintains guidelines for elements of social responsibility. We pledge to consider environmental, public health, safety, and social issues. And we strive for consistent quality control and oversight.