Rittman Inc., Mull Iron Share: Construction Co., Gen. Contractors/Developers Rittman Inc., Mull Iron Visit Website 10 Mull Dr. Rittman, OH 44270 (330) 927-6855 (330) 927-1632 (fax) Hours: Office hours M-F 8-5; 24 hour emergency service About Map About Fabrication and erection of misc. and structural steel What's Nearby? Distance: 5 10 15 20 25 50 mi.