irue line CONSTRUCTION LAYOUT Specializing in site layout for subdivision, municipal, infrastructure, commercial & industrial projects. Trevor Murr - Owner/CEO Ray Murr - Owner/President (210) 663-7208 101 S. Main St., Big Spring 303565 irue line CONSTRUCTION LAYOUT Specializing in site layout for subdivision, municipal, infrastructure, commercial & industrial projects. Trevor Murr - Owner/CEO Ray Murr - Owner/President (210) 663-7208 101 S. Main St., Big Spring 303565