Corporate Office Phone: (775) 423-6085 Fax: (775) 423-8410 Address: 515 Windmill Drive | Fallon, NV 89406 Engineering Office Phone: (775) 825-1636 Fax: (775) 825-6171 Address: 12251 Truckee Canyon Court | Sparks NV, 89434 Notice: JavaScript is required for this content.