The Southern California Contractors Association has opened a branch office in San Diego. Located at 9235 Chesapeake Dr., Suite E, the office is open three days per week, with plans for a full-service facility being developed to meet member needs as demand grows.

RBF Consulting has selected Ontario as the site of its newest office location in response to the firm’s expanding business throughout the Inland Empire and specifically in San Bernardino County. The office also will serve to develop more community ties in the growing Inland Empire. The new Ontario address is 3536 Concours, Suite 220, Ontario, 91764.

Phoenix-based Road Machinery Co. will be the Southern California distributor for Vernon Hills, Ill.-based Komatsu America Corp., a supplier of construction, mining and utility equipment. With its new territory, Road Machinery will operate a full-service product support center in Southern California to dispatch service and maintenance vehicles, supply parts support and provide complete in-house repairs. Founded in 1957, Road Machinery services mining, aggregate and construction industries and is the current Komatsu distributor for Arizona, New Mexico, Southwest Texas and Sonora, Mexico.