If youâve driven down Ninth Street south of First Avenue, you know Munro Companies â Munro Pump and Munro Supply â at 820 S. Ninth St. Lining that street corridor are white buildings. On the west side is one with a âMunro Supplyâ sign, while the east side buildings have nondescript, weathered signs like âRepair Servicesâ and âMain Office.â Theyâre unassuming structures that seem like just another part of Grand Junctionâs industrial district. But the Munro family predates many of the neighboring businesses and lineages on the Western Slope...