Uson offers a variety of solutions to hardness verification and crack or flaw detection of pistons, bearings, wheel hubs, spindles, steering racks and other metal components using simple single channel single frequency testers for basic tests or for more searching tests the power of the multi channel / multi-frequency InSite. Uson specializes in the manufacture and marketing of machinery and test equipment for the non-destructive testing of critical or essential components. Uson's equipment and accessories are built to the exacting standards demanded by the world's top companies using the best quality materials. Uson has been serving the needs of major automotive OEMs, tier suppliers, industrial products manufacturers and medical device companies with a range of test equipment for decades. We understand the requirements and the constraints within which they must work, better than anyone else in the business.

Hi-Crush Proppants (“Hi-Crush”) is a leading producer of premium monocrystalline sand, a specialized mineral that is used as a proppant (“frac sand”) to enhance the recovery rates of hydrocarbons from oil and natural gas wells. Hi-Crush owns, operates, acquires and develops frac sand reserves and related processing and transportation facilities. Our reserves consist of Northern White sand, predominately found in Wisconsin and limited portions of the upper Midwest region of the United States, and is highly valued as a preferred proppant due to its favorable physical characteristics.