Welcome to YESCO Sign & Lighting Service of central Illinois. We specialize in repairing, maintaining, and servicing a wide v ... ariety of signs and lighting throughout the greater Peoria, Bloomington-Normal, and surrounding areas. Sign Service & Repair: LED Signs Electronic/Electric Signs Channel Letters Pylon Signs Pole Signs Non-illuminated Signs Illuminated Signs Neon Signs Lighting Service: Parking Lot Lighting Energy Efficient Lighting Retrofits Parking Garage Lighting Stairwell Lighting Interior Lighting Building Lighting Emergency Lighting Canopy Lighting Facade Lighting Wall Packs read more