Subcontractors Register

The Subcontractors Register for the Allied Building Trades was a directory of subcontractors for the New York City area, listing companies by their trade. It was published by the "Society of the Allied Building Trades, Inc." and was published by Joseph O'Malley (1893–1985) who was later joined by his nephew, Walter Francis O'Malley, as editor. The 1942 version calls itself: "A Classified List for the Allied Building Trades of Sub-Contractors, Material Dealers & Manufacturers, General Contractors & Builders, Architects - Engineers, Real Estate Management Firms".