Founded in 1939, Gilson Company, Inc. is recognized as a leading manufacturer and worldwide distributor of quality construction materials testing equipment. Our testing screens, test sieves, sieve shakers, asphalt, concrete, aggregate and soils testing equipment are found in a wide range of facilities throughout the world. In addition Gilson provides general laboratory equipment including; splitters, crushers, grinders, balances, ovens, thermometers, glassware and other laboratory necessities.