PROSOCO is a national manufacturer of products for cleaning, protecting and maintaining concrete; 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 its founding in 1939, the company has excelled at the innovation and development of superior products and services for the construction industry. The United States Capitol Building, Grand Central Station, the World Trade Plaza, the Smithsonian Institute, Jacobs Field. . . PROSOCO products are a part of constructing, restoring, and preserving our present and our past. PROSOCO has offices and production facilities in Lawrence, Kansas with an extensive sales and technical support staff throughout the United States. PROSOCO products are available internationally with products currently sold in Canada, the United Kingdom, Ireland and China through licensed manufacturers.