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Competitive Edge Dynamics
Offers electronic timers and sales marketed by this firm.
EWS Enterprises
Features the Speed Timer line as well as accessory displays for shooting competitions.
Oehler Research, Inc.
Features ballistic chronographs, sky screens, and software made by this firm.
R. U. Ready
Offers the Speed Timer line as well as accessories like large display screens.
Shooting Chrony Inc.
Features the chronographs made by this firm that measure the speed of projectiles from 30 to 7000 feet per second.