- Machine Shop, Smithville
- Machinery And Equipment Manufacturers, Smithville
- Machinery, Supplies & Equipment - Business Production Related, Smithville
- Machinery, Supplies & Equipment - Construction & Contractor Related, Smithville
- Major Appliances, Smithville - Household & Kitchen
- Management Consultants & Services, Smithville
- Manufacturing, Smithville
- Manufacturing Products, Smithville
- Masonry Materials & Supplies, Smithville
- Meat Market, Wholesale & Products, Smithville
- Mechanical Contractors, Smithville - Install, Service & Repair
- Medical Supplies & Equipment, Smithville
- Merchandising & Marketing Consultants, Smithville
- Methodist Church, Smithville
|
- Mexican Food, Smithville
- Mexican Food & Goods Products, Smithville
- Mexican Restaurants, Smithville
- Miscellaneous Government, Smithville
- Miscellaneous Industry, Smithville
- Miscellaneous Professional, Smithville
- Mortgage Bankers & Correspondents, Smithville
- Motor Vehicle, Smithville
- Motor Vehicle Rental & Leasing, Smithville
- Moving Companies, Smithville
- Moving Supplies & Equipment Rental, Smithville
- Moving Truck Rental , Smithville
- Muffler Shop & Exhaust Systems, Smithville
|