Humboldt Mfg. Co. is a leading manufacturer and supplier of construction materials testing equipment located in the United States. Their equipment is used extensively throughout the world for testing soil, concrete, cement, asphalt and aggregatein construction projects, such as roads; bridges; dams; earthworks, and buildings.
Humboldt is known for manufacturing high-quality, competetively-priced equipment designed to comply with ASTM and AASHTO testing standards, especially our geotechnical testing equipment, nuclear gauge and the new nuclear-free electrical density gauge