APT Instruments International, Inc.: Speedometer and gauge repair. Analog, mechanical, electric or digital gauges. Also clock conversions. Distributor of new Smiths Instruments.
Black Cat Custom: Offering a wide range of custom gauge faces for import and domestic cars and trucks.
DigeProg: Dashboard diagnostics, reconditioned dashboards and speedo converters.
Gaugeman: Offers a complete line of Auto Meter, VDO, and Nordskog automotive gauges, senders, pods, and accessories.
Nordskog: Offering digital instruments, gauges and custom dash panels.
North Hollywood Speedometer: Speedometer and instrument restoration, customization and repair.
Speedometer Plus: Offering repair and sales of speedometers.
Stewart Warner: Classic and modern vehicle instruments and gauges.
Tach Shack: Offering new and surplus 6 and 12 volt tachometers. Repair and restoration available.
White Gauges: Offering classic and modern car and truck white face gauges.