- Machine Shop & Tool Repair Service, Port Hope
- Machinery, Supplies & Equipment - Business Supplies Related, Port Hope
- Machinery, Supplies & Equipment - Construction & Contractor Related, Port Hope
- Major Appliances, Port Hope - Household & Kitchen
- Malls & Shopping Centers, Port Hope
- Management Consultants & Services, Port Hope
- Manicurists & Pedicurists, Port Hope
- Manufacturers Agents & Representatives, Port Hope
- Manufacturers Representative, Port Hope - Reps, Independent Sales Representative, Sales Agent, etc
- Manufacturing, Port Hope
- Manufacturing Products, Port Hope
- Marriage & Family Counselors, Port Hope
- Martial Arts & Self Defense Schools, Port Hope
- Masonry Materials & Supplies, Port Hope
- Massage Therapists & Professional, Port Hope
- Massage Therapy, Port Hope
- Medical Alert Systems, Port Hope - Medical Alarms - PERS
- Medical Groups & Clinics, Port Hope - Medical & Health Centers
- Medical Supplies & Equipment, Port Hope
- Membership Sports & Recreation Clubs, Port Hope
- Men's & Boys Clothing & Accessories Stores, Port Hope
- Mens & Boys Belts & Suspenders, Port Hope
- Mens & Womens Clothing, Port Hope
- Metal Finishers, Port Hope
|
- Metal Plating & Polishing, Port Hope
- Metal Repair Service & Blacksmith, Port Hope - Iron Works
- Metal Specialties, Port Hope
- Mexican Restaurants, Port Hope
- Mini & Self Storage, Port Hope
- Mining Consultants, Port Hope
- Miscellaneous Household Item Repair, Port Hope
- Miscellaneous Government, Port Hope
- Miscellaneous Industry, Port Hope
- Miscellaneous Manufacturing, Port Hope
- Miscellaneous Personal Services, Port Hope
- Miscellaneous Professional, Port Hope
- Mission Churches, Port Hope
- Mobile Home Parks & Communities , Port Hope
- Monuments, Tombstones, Markers & Memorials, Port Hope
- Mortgage Bankers & Correspondents, Port Hope
- Mortgage Brokers, Port Hope
- Motor Vehicle, Port Hope
- Motor Vehicle Rental & Leasing, Port Hope
- Moving Truck Rental , Port Hope
- Music, Port Hope
- Music Lessons, Port Hope
- Music Lessons - Instrumental, Port Hope
|
