1. Terry's Sign Co 1606 13th St N, Humboldt, IA 50548 Coordinate: 42.73981,-94.22722 Phone: (515) 332-5270
2. Computer Works & Vinyl Signs 517 Sumner Ave, Humboldt, IA 50548 Coordinate: 42.72144,-94.21533 Phone: (515) 332-5178