Four Star Services, Inc. markets Agri-SC Soil Treatment, an exclusive formula. Four Star is the leader in marketing soil amendments in the agricultural, turf, and lawn and garden industries. The company has 400 dealer-distributor outlets spanning the U.S. and 15 foreign countries, with the strongest concentration in the Midwest.

Agri-SC is non-toxic, enviromentally friendly and can be applied by any conventional sprayer, mist blowers, boom sprayers and center pivot irrigations systems. Agri-SC is effective on all crops and blends well with  fertilizers, herbicides, and pesticides.