Humboldt Mfg. Co. is one of the world’s leading manufacturers and providers of materials testing equipment for use in asphalt, concrete, aggregate and soil testing applications. Humboldt Mfg. provides an extensive product line and inventory of equipment, accessories and consumables for materials testing laboratories, as well as on-site testing. Humboldt offers a 256-page catalog that lists well over 2,000 products, accessories and consumables. These are grouped into 4 major categories: asphalt, concrete, soil and general lab for quick and easy reference and ordering. Indexes for ASTM and AASHTO standards are also provided, making it easy to order equipment for specific standards.