Numbers Builder Built Retired Notes 30- 34 Osgood Bradley 1924 1941 Acquired 1928 from Morris County NJ 35- 40 Wason 1923 1941 Acquired 1928 from Milford & Uxbridge MA 41 Shops 1912 1931 Used in Kenosha and Racine 42- 51 Shops 1913 1932 Used in Kenosha and Racine 60- 84 St. Louis 1920 1934 Used in Racine 85- 99 St. Louis 1920 1931 Used in Kenosha 101-110 Barney & Smith 1898 1937 Originally 351-360 111-130 Brill 1896 1919 Originally 301-320 111-118 Niles 1907 Formerly Milwaukee Northern 101-108 119-120 Niles 1912 Formerly Milwaukee Northern 109-110 131-150 Barney & Smith 1897 1938 Originally 321-340 151-170 Barney & Smith 1898 1938 Originally 341-350, 361-370 171-195 St. Louis 1899 1935 Some used in Kenosha and Racine 196-275 St. Louis 1900 1939 Some used in Kenosha and Racine 276-325 St. Louis 1903 1939 326-375 St. Louis 1904 1939 Some used in Kenosha 376-425 St. Louis 1905 1940 426-500 St. Louis 1906 1940 501-600 St. Louis 1911 1951 601-630 St. Louis 1912 1951 631-660 Shops 1913 1949 701-750 Shops 1917 1953 751-760 St. Louis 1924 1948 Originally 20-29 for Kenosha and Racine 800 Shops 1919 1944 801-899 St. Louis 1920 1958 900-924 St. Louis 1924 1958 925-964 St. Louis 1926 1958 965-974 St. Louis 1927 1958 975-984 St. Louis 1928 1958 985-999 St. Louis 1929 1958Cars 111-120 built by Niles were articulated pairs, acquired with Milwaukee Northern in 1928.
Cars 751-760 were originally numbered 990-999, renumbered 20-29 in 1926, and renumbered 751-760 in 1934 when reassigned to Milwaukee.

The Milwaukee Electric Railway & Light Co. streetcar #972 was built by St. Louis Car in 1927, and is preserved at the Illinois Railway Museum.