PROSOCO, Inc. | 8,344 followers on LinkedIn. We make construction chemicals to improve the look and life of your buildings. #buildingscience | PROSOCO is a national manufacturer of construction products for improving the energy-efficiency, sustainability, performance and appearance of buildings. Since its founding in 1939, the company has excelled at the innovation and development of superior products and services for the construction industry. Today, PROSOCO is recognized in the marketplace as a leading maker and supplier of masonry cleaners and protective treatments; hardeners, densifiers, stains and other products for concrete floors; and air- and water-resistive barrier systems for building envelopes.