Modern Building Systems, Inc. Share: Mobile Offices & Commercial UnitsContractors - GeneralContractors - Specialty Visit Website Request Info 9493 Porter Rd SE PO Box 110 Aumsville, OR 97325 (503) 749-4949 (800) 682-1422 (503) 749-4950 (fax) Rep Info Map Whom to Contact Jim Rasmussen 9493 Porter Rd SE PO Box 110 Aumsville, OR 97325 What's Nearby? Distance: 5 10 15 20 25 50 mi.