Best Signage in Red Lion, Pennsylvania. Top 30 Signage in Red Lion, Pennsylvania, ranked by rating, reviews, votes. Last updated on March 2025 . AAP Signs Red Lion, Pennsylvania Signage Detail Address: 3456 Seaks Run Road, Red Lion, Pennsylvania 17356. Phone: (717) 428-1245. Website: www.aapsigns.com. Categories of builders in Red Lion, Pennsylvania Heavy Construction Plumbing Contractors Tools Roof Structures Trusses Concrete Contractors Cabinets Contractors Tile Roofing Contractors Signage Heating Air Conditioning Repair Siding Contractors Cabinet Installation