Our Companies

A closer look at the businesses we proudly own and support.

Wm Coulthard & Co Ltd

Founded in 1888 by William Coulthard, the company brings with it a heritage spanning more than 138 years of continual evolution and reinvention. For over five decades, Wm Coulthard has specialised in the design, manufacture, and supply of bespoke lubrication and lube oil systems, delivering solutions to a wide range of industries and operating environments worldwide. From its purpose-built manufacturing facility in Carlisle, the business has earned an enviable reputation for producing high-quality, ultra-reliable systems that customers trust to perform in the most demanding conditions.

Radiographic Accessories Ltd

Established over 50 years ago, Radiographic Accessories Ltd is the world’s leading manufacturer of high-quality accessories for industrial radiography. The globally recognised RADAC brand is a registered trademark wholly owned by Radiographic Accessories Ltd and reflects the company’s long-standing commitment to engineering excellence and product reliability. As a result, RADAC products are trusted and used worldwide for non-destructive testing by leading organisations across the aviation, petrochemical, and nuclear industries.