- Machine Shop, Johnstown
- Machine Shop & Tool Repair Service, Johnstown
- Machinery, Supplies & Equipment - Business Production Related, Johnstown
- Machinery, Supplies & Equipment - Business Supplies Related, Johnstown
- Machinery, Supplies & Equipment - Construction & Contractor Related, Johnstown
- Major Appliances, Johnstown - Household & Kitchen
- Management Consultants & Services, Johnstown
- Manicurists & Pedicurists, Johnstown
- Manufacturing, Johnstown
- Manufacturing Equipment & Supplies, Johnstown
- Marriage & Family Counselors, Johnstown
- Martial Arts & Self Defense Schools, Johnstown
- Masonry Contractors, Johnstown - Stone Mason, Brick Mason - Install & Repair
- Masonry Materials & Supplies, Johnstown
- Mausoleums Developers, Johnstown
- Medical Groups & Clinics, Johnstown - Medical & Health Centers
- Medical Supplies & Equipment, Johnstown
- Membership Sports & Recreation Clubs, Johnstown
- Mental Health Specialists, Johnstown - Psychologist, Psychiatrist, Psychotherapist, etc
- Methodist Church, Johnstown
- Mini & Self Storage, Johnstown
|
- Miscellaneous Agriculture, Johnstown
- Miscellaneous Government, Johnstown
- Miscellaneous Industry, Johnstown
- Miscellaneous Manufacturing, Johnstown
- Miscellaneous Photographers, Johnstown
- Miscellaneous Professional, Johnstown
- Mobile Home Parks & Communities , Johnstown
- Modular & Mobile Homes For Sale, Johnstown - Manufactured Homes Sale & Service
- Monuments Cleaning, Johnstown
- Monuments, Tombstones, Markers & Memorials, Johnstown
- Motor Vehicle, Johnstown
- Motor Vehicle Rental & Leasing, Johnstown
- Motorcycle & Motor Scooters Dealers, Repair & Service, Johnstown
- Motorcycle Repair & Service, Johnstown
- Movie Theaters, Johnstown
- Moving Supplies & Equipment Rental, Johnstown
- Moving Truck Rental , Johnstown
- Muffler Shop & Exhaust Systems, Johnstown
- Museums, Johnstown
- Music, Johnstown
|
