John Hobbs (Wells) is listed in:
 Mechanical Engineers
 Mechanical Engineers in Somerset
 Mechanical Engineers in Wells

Operon (Newcastle Upon Tyne) is listed in:
 Mechanical Engineers
 Mechanical Engineers in Tyne and Wear
 Mechanical Engineers in Newcastle Upon Tyne

STM (Great Yarmouth) is listed in:
 Mechanical Engineers
 Mechanical Engineers in Norfolk
 Mechanical Engineers in Great Yarmouth