File Northern States Power Company, 1930-1931 Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Oklahoma Gas and Electric Company, 1929-1930 2 folders Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Pennsylvania Electric Company, 1929-1930 3 folders Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Pennsylvania Railroad Building, 1930 Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Pennsylvania Railroad Company, 1929-1930 Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Pubic Lighting Commission, City of Detroit, 1929-1931 7 folders Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Public Service Company of Colorado Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Vacuum Oil Company, 1929-1930 Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Vanadium Corporation of America, 1930-1931 Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932
File Westinghouse Electric and Manufacturing Company, 1929-1930 2 folders Box 1 In: Unistrut Corporation (Wayne, Mich.) records, 1922-1990 (majority within 1929-1966) » Job Files, 1929-1932