- Radiator Coolant & Solvents, Collegeville - Engine Coolant
- Radio Communications Equipment & Systems , Collegeville
- Radiologists, Collegeville - Radiology Doctors, Physicians & Surgeons
- Range & Oven Repair, Service & Sales, Collegeville
- Ready Mix Concrete, Collegeville - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Collegeville
- Real Estate, Collegeville - Agent, Broker & Companies
- Real Estate Appraiser, Collegeville - Appraisal Services
- Real Estate Appraisers & Consulting Services, Collegeville
- Real Estate Developers, Collegeville
- Real Estate Exchanges, Collegeville
- Real Estate Listings Services, Collegeville
- Real Estate Services, Collegeville
- Record Storage, Destruction & Management, Collegeville
- Recording Studio - Equipment & Rental, Collegeville
- Recreational Services, Collegeville
- Refrigeration & Air Conditioning Contractors, Collegeville - Installation, Repair, Sales & Service
- Refrigeration & Cooling Equipment, Parts & Supplies , Collegeville - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Refrigeration Repair & Service, Collegeville - Ac, Freezer, Refrigerator Repair
- Refrigerator Sales, Service & Repair, Collegeville - Fridge
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- Rehabilitation Centers, Products & Services, Collegeville
- Rehabilitation Specialists, Collegeville
- Religious Organizations, Collegeville
- Repair Services, Collegeville
- Research & Development Bureaus, Collegeville - Commercial, Economic, Sociological & Educational Research
- Research Services, Collegeville
- Residential, Collegeville
- Residential Apartments, Collegeville
- Residential Care Facilities, Collegeville
- Residential Construction Contractors, Collegeville - General Contractors
- Restaurant & Lounge, Bar, Or Pub, Collegeville
- Restaurants/Food & Dining, Collegeville
- Retail Book Stores, Collegeville
- Retirement Communities & Home, Assisted Living & Apartments, Collegeville
- Riding & Rodeo Services, Collegeville
- Road Construction, Collegeville - Companies & Contractors
- Road Construction Equipment & Machinery, Collegeville
- Roofing Consultants, Collegeville - Roofing Companies
- Roofing Contractors, Collegeville - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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