M&M HARRISON ELECTRIC CO. Back to Search M&M HARRISON ELECTRIC CO. Categories Whitman County - Electricians 911 N SUMMER ST , COLFAX , WA , 99111 PO BOX 174 , COLFAX , WA , 99111-0174 (509) 397-2333 Contacts Primary Mark Harrison Primary Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone