The TCSC is a UK nuclear industry club whose main function is to maintain and develop codes of practice relating to radioactive materials transport. Member organisations of the TCSC are:

GE Healthcare	British Energy Generation	AWE plc
Studsvik	BNFL plc Magnox Generation Business Group	Nuclear Decommissioning Authority (NDA)
Reviss Services (UK) Ltd	Rolls Royce Power Engineering Ltd	Energy Solutions
Magnox South	Magnox North	Nuvia
Sella field Sites	Low Level Waste Repository	International Nuclear Services