M
Mack
MacInnis Bros.
Manhattan Top & Body Co.
Markin Auto Body
Marion Body Co.
Marion Metal Products Co.
Mark Body, Truck & Equipment
Marmon-Herrington
Marshall Body Co.
Martin-Parry Corp.
Martin Truck & Body Co.
Marysville Body Works
Master Bodies
Master Coach
Maxim Motor Co.
Mayer Body Corp.
John McArthur
Peter McAvoy & Sons
McCabe-Powers
McCann Corp.
McCann Truck Co.
McClain Sales Inc.
McClintock
McCoy Miller Corp.
McFarlan Automobile Co.
J.B. McFarlan Carriage Co.
Harry O. McGee Mfg. Co.
MCI
McKay Carriage Co.
McLaughlin Body Co.
McLaughlin Bus
Egerton B. McNear
George W. McNear
Meadowbrook
Mechanical Handling Systems
Fred L. Meckel
Media Carriage Works
Medical Coaches
Meisenhelder
A. Meister & Sons Co.
Memphis Coach Co.
Mengel Body Co.
Menominee
George J. Mercer
Mercury Aircraft Corp.
Mercury Body Corp.
Merrimac Body Co.
Meritas Fabric Body Corp.
Meteor Hearse
Meteor Motor Car Co.
Metropolitan Body Co.
Metropolitan Hearse
MHS
Miami Specialty Works
Michigan Auto Body Co.
Michigan Hearse & Motor Co.
W.F. Mickey Body Co.
 

M (continued)
Mid Bus Corp.
Midland Steel Co.
Mid-West Body & Mfg.
Mifflinburg Body Co.
Milan Coach Builders
Milburn Wagon Co.
Millennium Custom Auto
A.C. Miller
A.J. Miller Co.
E.M. Miller Co.
J.R. Miller Corp.
Miller Bros.
Miller Coach
Miller, Hicks & Hewitt
Miller-Meteor
Miller-Picking Corp.
Miller Quincy
Millington Truck Body Co.
Millspaugh & Irish
Minibus
Mingel Co.
Mitchell-Bentley
O.J. Mitchell Hearse Co.
Model Body Corp.
Molded Fiberglass
Moline Body Co.
Moline Body Corp.
Moller Motor Car Co.
M.P. Moller Motor Car Co.
Moloney Coachbuilders
Monart Motors
Monroe Body Co.
Montpelier Mfg. Co.
Moon Bros. Carriage Co.
Moore & Munger
Moore & Sons Inc.
Mora Motor Car Co.
Mora Power Wagon Co.
Moreland Motor Truck Co.
Morgan Corp.
Morrison Steel Products
Mort Motor Car Co.
Morton & Brett
Morysville Body Works
Motor Body & Trimming Co.
Motor Coach Industries
Motor Truck Body Co.
J.H. Mount Co.
Mueck Auto Body Co.
Mullins Body Corp.
Municipal Supply Co.
Murgel Limousine Mfg.
Murphy Mfg.
Walter M. Murphy Co.
Murray Corp.
Muskegon Auto Body Co.