About CPN International

CPN remains a leader in the construction and raw materials industry, providing high quality nuclear gauges for material testing .

Established in 1964, CPN was acquired  in 2008 by InstroTek, Inc.. CPN is still located in the San Francisco bay area, in Concord, California. InstroTek and CPN, the the two leading instrumentation development companies in the industry are now working  together and expanding sales and services operations from seven locations in the US and through 40 plus international distributors world wide. . Our customers are never far from our experienced and knowledgeable representatives.

CPN has been and will remain a leader and an innovator  in  manufacturing, research and development of measurement equipment for construction and raw materials testing industry. .