Industry: Alma, MI - Oil Refineries

Alma had six oil refineries, operated between 1932 and 1982.

• Midwest Refining (1932), Midwest Refineries (1934-1954) and Leonard Refineries (1955-1963. Served by the AA and PM. [MW]
• Wolverine Refining 1935. Served by the AA and PM. [MW]
• Leonard Refineries (1935-1970), Total Leonard (1971-1978) and Total Petroleum (1979-1982). Served by the AA and PM. [MW]
• Northern Refineries (1937-1938) and Midwest Refineries (1939-1941). Served by the AA and PM. [MW]
• Lube Oil (1937) and Trumbull Asphalt & Refining (1938-1939). Served by the PM. [MW]