APT Instruments International, Inc. - Speedometer and other gauge repair. All makes, models, years. Analog, mechanical, electric or digital gauges. Also clock conversions. Distributor of new Smiths Instruments.
Revtech - Dashboard diagnostics, reconditioned dashboards and speedo converters
Southern Electronics Inc. - Nationwide repair of automobile and truck speedometers, instrument clusters tachometers, odometers and gauges.