The business also established Leith Salvage & Towage, taken over by the harbour authority in 1953. Barrow Steam Navigation had been formed jointly with Furness and Midland railways in 1867 and passed to Midland in 1907. By 1937–38 James Little is cross-referenced to Joseph Constantine, while Little & Johnston is listed at Terneuzen.
Keep the explicit scope label independent; no alias or company identity is inferred.