This page lists the Cal West Mashy accounting contacts for customers in Northern California and Western Nevada. Sydney Allen handles customer service, accounting and parts requests, and Dick Edwards is our corporate tax accountant. For account setup, the Customer Downloads page has our customer credit application, the California resale certificate application, our standard terms and conditions and our W-9 taxpayer certificate. Questions about new equipment go to our sales team, and parts and service requests can go to Sydney Allen. Our headquarters is in Martinez, California.