Fonds consists of business records for Ryan Brothers, Trinity, from its establishment in 1906 until its closure in 1951. The fonds consists of journals, ledgers, cash books, fish collection books and other financial records of the business operation at Trinity, correspondence, shipping papers, labour accounts and an account book for the whale factory at Hawke Harbour, Labrador.

Records are arranged in three series: Correspondence; Financial records; Miscellaneous materials.