Birmingham District Power and Traction Co
of Birmingham, Motor omnibus and tram operator
1912 The 28th OGM of Birmingham and Midland Tramways Ltd agreed to change the name to Birmingham District Power and Traction Co[1]
1913 Transferring the Smethwick Electric Lighting Undertaking to Shropshire Power Co; owned 4 Black Country tramway companies; had an investment in Birmingham and Midland Motor Omnibus Co[2]
1917 Mr. C. S. B. Hilton was chairman
By 1931 had become the Birmingham and District Investment Trust[3], which was controlled by British Electric Traction Co[4]