Who We Are. Headquartered in Grass Valley, CA, Apex Rail Automation (Apex) delivers high-quality rail yard & track solutions. Our products include main line switches, yard switches, rods and layouts, wayside electronics, dark territory switch control, and Modular Yard Automation (MYA) systems. We supply products and systems primarily to freight railroads, particularly Class 1 railroads (CSX, BNSF, UP, etc.). Reporting to the Operations Manager, t...