Transtronic specializes in systems and sensors for heavy environments. 

Transtronic sells, installs, and produces proprietary electronic directional instruments, for customers who work primarily in the rock drilling industry. They help their rock drilling customers achieve higher accuracy. This leads to more efficient drilling that results in higher profitability for the customer, less environmental impact, and higher safety during blasting.

Transtronic has worked with advanced drilling equipment since 1972 when the founder, Gunnar Thele, started the company. Transtronic are located in Köping, where 16 dedicated people work. The company covers everything from development and design to manufacturing, installation, repair, and support.