- Race Car Dealers, Fairfield
- Railroad & Subway Construction Contractors, Fairfield
- Railroad Contractors, Fairfield
- Ready Mix Concrete, Fairfield - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Fairfield
- Real Estate, Fairfield - Agent, Broker & Companies
- Real Estate Services, Fairfield
- Recycling Drop-Off Centers, Fairfield
- Refrigeration & Cooling Equipment, Parts & Supplies , Fairfield - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Refrigeration Repair & Service, Fairfield - Ac, Freezer, Refrigerator Repair
- Refuse Collection & Disposal, Fairfield
- Refuse Collection & Disposal Services, Fairfield
- Refuse Systems & Garbage Disposal, Fairfield
- Religious Goods & Church Supplies Stores, Fairfield
|
- Religious Organizations, Fairfield
- Repair Services, Fairfield
- Residential, Fairfield
- Residential Care Facilities, Fairfield
- Residential Construction Contractors, Fairfield - General Contractors
- Restaurants/Food & Dining, Fairfield
- Retail Book Stores, Fairfield
- Rigging Service & Crane Hoisting, Fairfield
- Road Construction, Fairfield - Companies & Contractors
- Road Construction & Repair Contractors, Fairfield
- Roofing Consultants, Fairfield - Roofing Companies
- Roofing Contractors, Fairfield - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, Fairfield
- Rooming & Boarding Houses, Fairfield
|