David Andrew Littlejohns

Part of Rotork Plc, Rotork UK Ltd. is a market leading valve actuator manufacturer and flow control company that designs and manufactures electric, pneumatic, and hydraulic valve actuators and gearboxes to manage the flow of liquids, gases, and powders in major industries worldwide. The company is based in Bath, UK. Rotork was acquired by Rotork Plc on August 01, 1993. The British company also offers Roto Hammer chain wheels and custom solutions for manual valve operation. Rotork offers both Modbus TCP and solutions for industrial Ethernet, which is becoming increasingly popular for connecting to industrial equipment for control and monitoring applications.

Mpac Lambert Ltd. provides engineering services. It offers pre and post installation support, program management, design and manufacture and assembly. The company was founded by Chris Lambert and Peter Wainman in 1973 and is headquartered in Tadcaster, the United Kingdom.