Humboldt Mfg. Co., located in the United States, is a long-standing, leading manufacturer and supplier of testing equipment used for evaluating construction and civil engineering materials. Our equipment is used extensively throughout the world for testing soil, concrete, cement, asphalt and aggregate materials. This testing involves evaluations of materials, which are used in construction projects ranging from roads, bridges and tunnels to dams, earthworks, airports, railways, etc. Humboldt equipment has been an integral partner in providing accurate and reliable testing results in a multitude of major projects worldwide while helping to deliver dependable infrastructure projects that adhere to project specifications.