- Racing Car Supplies, Trussville
- Radio & Television Repair Shops , Trussville - TV Repair
- Rail Line Travel Agents & Agencies, Trussville
- Railroad, Trussville - Commuter & Passenger Transport
- Railroad Companies, Trussville
- Ready Mix Concrete, Trussville - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Trussville
- Real Estate, Trussville - Agent, Broker & Companies
- Real Estate Attorneys & Lawyers, Trussville
- Real Estate Attorneys & Lawyers, Trussville
- Real Estate Developers, Trussville
- Real Estate Lawyers & Attorneys, Trussville
- Real Estate Management, Trussville
- Real Estate Services, Trussville
- Reducing Exercise & Weight Control Services, Trussville
- Refrigerator & Freezer Equipment, Parts & Supplies, Trussville
- Refuse Systems & Garbage Disposal, Trussville
- Rehabilitation Centers, Products & Services, Trussville
- Rehabilitation Specialists, Trussville
- Religious Education, Trussville
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- Religious Goods & Church Supplies Stores, Trussville
- Religious Organizations, Trussville
- Rendering Companies, Trussville
- Repair Services, Trussville
- Research Services, Trussville
- Residential, Trussville
- Residential Apartments, Trussville
- Residential Architectural Designers, Trussville
- Residential Care Facilities, Trussville
- Residential Construction Contractors, Trussville - General Contractors
- Residential Landfills, Trussville
- Residential Real Estate Companies, Trussville
- Restaurants - Breakfast Brunch Lunch, Trussville
- Restaurants/Food & Dining, Trussville
- Retail Book Stores, Trussville
- Roller Skating Rinks, Trussville
- Roofing Consultants, Trussville - Roofing Companies
- Roofing Contractors, Trussville - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, Trussville
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