East Midlands Chamber (Corporate Name)

Its East Midlands Chamber directory, 2015: title page (East Midlands Chamber) page 6 (It serves businesses across Derbyshire, Nottinghamshire, Leicestershire and beyond. Its position as the UK's second-largest Chamber was cemented in December 2013 when Derbyshire and Nottinghamshire Chamber of Commerce merged with its sister organisation in Leicestershire) page 7 (Commerce Centre, Canal Wharf, Chesterfield, S41 7NA)

Sheffield Chamber of Commerce website, viewed 8 May 2019: membership pages (Sheffield City Region Chambers of Commerce comprises: Barnsley & Rotherham Chamber of Commerce, Doncaster Chamber of Commerce, East Midlands Chamber of Commerce and Sheffield Chamber of Commerce)