- Racing Car Supplies, Marshall
- Racing Including Track Operations, Marshall
- Radio & Television Repair Shops , Marshall - TV Repair
- Radio Stations & Broadcasting Companies, Marshall
- Ready Mix Concrete, Marshall - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Marshall
- Real Estate, Marshall - Agent, Broker & Companies
- Real Estate Management, Marshall
- Real Estate Services, Marshall
- Recycling Scrap & Waste Materials, Marshall - Scrap Metal, etc
- Reducing Exercise & Weight Control Services, Marshall
- Refrigerated Storage & Warehouse, Marshall - Warehousing
- Refrigerated Truck, Marshall
- Rehabilitational Job Training Services, Marshall
- Religious Education, Marshall
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- Religious Organizations, Marshall
- Repair Services, Marshall
- Research & Development Bureaus, Marshall - Commercial, Economic, Sociological & Educational Research
- Research Services, Marshall
- Residential, Marshall
- Residential Apartments, Marshall
- Residential Care Facilities, Marshall
- Residential Construction Contractors, Marshall - General Contractors
- Restaurants/Food & Dining, Marshall
- Retirement Communities & Home, Assisted Living & Apartments, Marshall
- Roadside Assistance, Road Service & Towing Service, Marshall
- Roofing Consultants, Marshall - Roofing Companies
- Roofing Contractors, Marshall - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Rv Parks, Marshall
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