BMMO - What does BMMO stand for? The Free Dictionary
References in periodicals archive
The S type was used exclusively by BMMO during its first year of production in 1923.
By 1925 205 S types had been built, with 113 used by BMMO.
The buses all from the Birmingham and Midland Museum of Transport include: a classic Guy Arab IV double-decker from 1953, a splendid Midland Red BMMO
double-decker dating back to 1965 and a beautifully restored late 40s single-decker Bristol.