Riddoch of Rothiemay Ltd. Business records of Riddoch of Rothiemay comprise directors' minutes, 1967 - 1969; directors' report and statement of accounts, 1964 - 1974; share certificates, 1955 - 1972; day books, 1884 - 1893; cash book, 1924 - 1928; order book, 1939 - 1940; sales ledgers, 1869 - 1955 (gaps); sales and production analysis, 1956 - 1971; general purchase ledgers, 1927 - 1955 (gaps); sale agreements for purchases of wood made after the 1914 - 1918 war, mainly at Mayen, Rothiemay and Seafield, 1919 - 1934; timber purchase ledgers, 1927 - 1972 (gaps); general accounts ledger, 1907 - 1921; invoice book, 1884 - 1891; wages ledgers, 1929 - 1954 (gaps); employees rates of pay book, c 1945; correspondence, 1942 - 1973; files containing annual stocktaking of machinery and timber, 1952 - 1966; record of horses, 1942 - 1958; valuation certificate and inventory, 1934; and Great Glen Sawmill Feasibility Study, 1969 - 1971.
William Fiddes and Son Ltd. The records of William Fiddes and Son Ltd., Torry Sawmills, Aberdeen (fl 1950 - 1967) comprise directors' minutes, 1950 - 1967.
South Midlands Timber Ltd. The records of South Midlands Timber Ltd (fl 1942 - 1971) comprise directors' minutes, 1942 - 1971; statement of accounts, 1954 - 1963; annual return, 1958; and annual stocktaking files, 1953 - 1963.