Didde Office Supply & Printing Co Office-Supplies, Equipment & FurniturePrinters, Typesetters & GraphicsSigns, Banners and LetteringRetail Didde Office Supply & Printing Co Visit Website 334 S Main Ottawa, KS 66067 (785) 242-4860 (785) 242-1406 (fax) Hours: Monday - Thursday 8 a.m. - 5:30 p.m. Friday 8 a.m. - 5 p.m.Closed Saturday and Sunday Rep Info Whom to Contact Gerry Didde Mike Didde