By-laws and Annual Reports, 1915-1931, 1965; Minutes, 1876-1976; Membership, 1875-1885; Financial Records, 1902-1910, 1923-1938, 1942, 1966, 1972; Newfoundland Regiment Certificates. - 1916, 1919; Society of United Fishermen Certificates. - 1877, 1906, 1910; Miscellaneous.

Fonds consists of a small part of the records relating to the company's Newfoundland cables, mainly engineers' and other reports, both originals and photocopies.

Fonds is arranged in three series: Engineers' reports, 1874-1926; General reports, 1910-1930; and Diaries and logbooks, 1866-1926.