Letter Graphics Inc. Share: Graphics and Specialty SignsSigns Letter Graphics Inc. Visit Website 400 West Market St Orrville, OH 44667 (330) 683-3903 Hours: Monday~Friday 7:00a .m. - 3:00 p.m. About Map About We are a full-service sign company. We design, engineer, permit, fabricate and install. We also service signs of all kinds in addition to parking lot lighting. What's Nearby? Distance: 5 10 15 20 25 50 mi.