Founded in 2006 Calnex Solutions designs, produces and markets test instrumentation and solutions for major business clients.

Headquartered in Linlithgow Calnex have been awarded the Queens Award for Enterprise and Trade and were floated on the London Stock Exchange in October 2020. The first Scottish company to be listed in two years. 

Oil States is a major global provider of integrated energy systems and solutions, the company operates a state-of-the-art custom-built facility at Heartlands, Whitburn.

This site replaces the repair and service function at Bathgate and operates a significant engineering research and development facility. The company has been located in Scotland since 1984