Based in Lawrence, Kan., PROSOCO is a national manufacturer of products for stabilizing masonry walls; high performing finished concrete flooring; making building envelopes air- and water-tight; and cleaning, protecting and restoring new and existing masonry buildings. We strive to provide innovative products and services that improve the appearance and performance of our built environment. Since our founding in 1939, we’ve fostered a reputation across the nation and internationally as a company that goes above and beyond for our customers in every way possible. You. Us. The Project.