SIGMA Western Region Meet the team Ontario, California4562 E. Guasti RoadOntario, CA. 91761800-688-6230ontcsr@sigmaco.com Auburn, Washington902 W Main StreetAuburn, WA 98001800-688-6230ontcsr@sigmaco.com Dana WaxBranch ManagerDW1@SIGMACO.COM Dan LansingInventory Manager/Quotes Specialist DL1@sigmaco.com Daniel DiazOntario Operations Managerddiaz@sigmaco.com Zackary RauppAuburn Operations Managerzraupp@sigmaco.com Brandon WardInside Sales Repbward@sigmaco.com Mauricio GuerreroInside Sales Repmguerrero@sigmaco.com Kristin TorresInside Sales Repktorres@sigmaco.com
