Criteria for firms to be included in the Top 100

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In order to be included in the Star Business/Sheffield University Management School Top 100 Manufacturers listing, companies must be independent businesses, holding companies in a UK group or the ultimate UK company of an overseas-controlled group.

For the first time this year, the geographical area has been expanded to include the whole of the Sheffield City Region, as defined by the Local Enterprise Partnership, which includes Barnsley, Bassletlaw, Bolsover, Chesterfield, Derbyshire Dales, Doncaster, North East Derbyshire, Rotherham and Sheffield.For the purposes of this survey, that means companies must have a principal trading addresses or registered office with one of the following post codes: S1-S99, DN1-DN12 and 22, DE4, 6, 45 and 55, NG 16, 19, 20, 22 and SK 17.

Although previously excluded, companies involved in food processing have been accepted as manufacturers this year.

Figures have been compiled by Sheffield University Management School using the latest publicly available accounts data.Every effort has been made to ensure the details are as comprehensive and accurate as possible, but there may be businesses that feel they have been unjustly left out.

One of the most likely reasons is that the business isn’t registered in South Yorkshire and there are no figures available for its South Yorkshire operations.Only companies whose turnover was high enough to justify a Top 100 listing are included in the analysis which has created the profit and employment tables.

Companies whose telephone numbers are marked with a * have registered with The Corporate Telephone Preference Service (CTPS). It is a legal requirement that firms do not make unsolicited calls to numbers registered on CTPS.

If you have comments about the Top 100 survey, contact Star Industrial Editor Bob Rae, call (0114) 252 1353, email: or write to Bob Rae, Business Editor, The Star, York Street, Sheffield, S1 1PU.