CRS Climate Rental Services GmbH

Callahan Company was founded in August of 1958 by James B. Callahan, Sr. Over the years, the company has grown to its present size of $100+ million in annual revenue. Family owned and operated since inception, the company services virtually every che

ChemPur delivers more than 3,500 metals and compounds, inorganic specialty chemicals, nano powder, as well as more than 100,000 organic intermediates. Our range of products include precious metal compounds and rare earth compounds, precious metal s