City Service Transit Co. - served Newark, Belleville, North Arlington, Lynhurst, Rutherford.
DeCamp Bus Lines - established stage coach company in 1870, acquired first motor bus in 1909, operated from New York City to Nutley and Bloomfield and Montclair and Orange and West Caldwell, ceased operations in 2025.
T. A. Gearty Bus Co. - city service in Verona.
Graope Transportation Co. - city service in Newark.
Martucci Bus Co. - city service in West Orange.
Will Morris - served Newark, East Newark, Kearny, North Arlington.
Newark-Elizabeth Bus Owners Association - served Newark and Elizabeth.
North Newark Bus Owners Association - served North Newark.
John A. Policastro Co. - served Newark.
South Orange Avenue Bus Owners Association - city service in Newark and East Orange.
Springfield Avenue Bus Owners Association - city service in Newark and Irvington.
A. E. Vanderhoof & Sons - suburban served West Orange, Orange, East Orange, Newark.
W & W Bus Co. - served Whippany and Caldwell.