Names
- Michigan Railway Company (1914-1921)1
- Michigan. State Board for Registration of Architects, Engineers, and Surveyors.1
- Michigan. State Board of Registration for Architects, Professional Engineers, and Land Surveyors.1
- Mineral Range Railroad Company.1
- Mitchell Bros. Company.1
- Moon, Charles H.1
- Moore, Park & Sharp.1
- Mount Washington Railway Company.1
- Mumford, Lewis, 1895-1
- Mumford, Lewis, 1895-1990.1
- Munising Railway Company.1
- Murphy, Frank, 1890-1949.1
- Nahma & Northern Railroad.1
- National Council of Architectural Registration Boards.1
- New York Central Railroad Company.1
- New York Central and Hudson River Railroad Company.1
- Norfolk and Western Railway Company.1
- North Park Railway Company.1
- Northern Michigan Traction Company.1
- Ohio and Michigan Sand and Gravel Company.1