- Railroad & Subway Construction Contractors, Silvis
- Railroad Companies, Silvis
- Railroad Contractors, Silvis
- Railroad Equipment & Supplies Manufacturers, Silvis
- Real Estate, Silvis - Agent, Broker & Companies
- Real Estate Services, Silvis
- Recreational Equipment & Supplies Companies, Silvis
- Reducing Exercise & Weight Control Services, Silvis
- Religious Organizations, Silvis
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- Research & Development Labs, Silvis - Laboratories
- Research Services, Silvis
- Residential, Silvis
- Residential Apartments, Silvis
- Residential Care Facilities, Silvis
- Restaurant & Lounge, Bar, Or Pub, Silvis
- Restaurants/Food & Dining, Silvis
- Retirement Communities & Home, Assisted Living & Apartments, Silvis
- Roofing Materials & Supplies, Silvis
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