- U-Haul Truck Rental, Springfield - U-Haul Moving
- U-Haul Trucks, Springfield - Uhaul Truck Rental
- U.S. Postal Service, Springfield
- Ultrasound Services, Springfield
- Underground Utility Locating Service, Springfield
- Unfinished Furniture, Springfield
- Uniforms, Springfield
- Uniforms, Work Clothes & Safety Clothing, Springfield
- Union Church, Springfield
- Unitarian Universalist Churches, Springfield
- Unity Church, Springfield
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- Universal Church, Springfield
- Upholstery Fabric Stores , Springfield
- Upholstery Fabrics Manufacturers, Springfield
- Urologists, Springfield - Urology Doctors, Physicians & Surgeons
- Used Book Stores, Springfield - New & Rare Books
- Used Cars, Truck, Van & SUV Car Dealerships, Springfield
- Used Merchandise, Resale Shops & Thrift Stores, Springfield
- Utilities, Springfield
- Utilities Contractors, Springfield
- Utility Installation Contractors, Springfield
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