 In 1919, the institute was first known as the Technical Inspection Association when it attended a conference held by Woolwich Royal Arsenal's Inspection Department in London.The institute began with 500 members and was originally headquartered at its secretary's office at 44 Bedford Row, London WC1.On 10 November 1922 the TIA reformed as the Institution of Engineering Inspection, so that it could be open to industrial inspectors and inspectors employed by the UK government.