Multi/Tech Engineering Services, Inc. Share: Engineers - Consulting Multi/Tech Engineering Services, Inc. Visit Website 1155 13th St SE Salem, OR 97302 (503) 363-9227 (503) 364-1260 (fax) Rep Info Map Whom to Contact Mark Grenz, PE IC 1155 13th St SE Salem, OR 97302 What's Nearby? Distance: 5 10 15 20 25 50 mi.