Red Flint Sand and Gravel has produced high-quality filter media since 1917, specializing in low uniformity coefficients and sizes from 2-½ in. gravel to 0.20 mm sand. Anthracite, garnet,...
R.W. Sidley, Inc. was established in 1933, as a mining and manufacturing company. Since then we have continued to build our company through the development of high-quality products derived...
CEI Companies main headquarters is in Circleville, Ohio in a state of the art 21,000 square foot facility. CEI Anthracite is our anthracite manufacturing facility located on 2.6 acres...
