Papers of Gordon H. Richards and the Alexandra Quarry  - details of extant records on Archives Network Wales
"Include; ......... Records of Gordon H. Richards, 1920-1950, including bill books, 1920-1940 and ledgers, 1931-1950; deeds and other documents relating to Moeltryfan and Alexandra Quarries, Llanwnda, 1857-1902 ......"

Llanwnda Mill Account Book - details of extant records on Archives Network Wales
"An account book, 1879 - 1890, in several hands, consisting of the names and addresses of customers from the parishes of Llanwnda, Llanllyfni and Llandwrog, Caernarfonshire"

• TNA provide:
  • A very useful  Research Guide: Companies and business
  • Their National Register of Archives (NRA) ("Discovery") is particularly useful for finding the location of the archived records of named organisations
• The Association of Business Historians creates and disseminates knowledge about business history.
• TNA hold some railway company records. (Ancestry provides subscription access to the TNA's railway employment records 1833-1958, from a number of historic railway companies.)
• Some employers' and trade association archives are held by Warwick University's Modern Record Centre.
• Trade directories can provide some information (including advertisements) about businesses, large and small, through the years.
• Railway Work, Life and Death - records of railway worker accidents in Britain between 1911 and 1915 - "a joint initiative between the University of Portsmouth and the National Railway Museum (NRM)".
• The John Lewis Memory Store: ". . . a living history of John Lewis & Partners. Through the site, people share their memories, photos, maps and information about John Lewis & Partners, past and present."
• United Kingdom Cemetery Records, from Interment.net.