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The proving Ground

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2948 Gardena AveSignal Hill, CA 90755

support@theprovinggroundsocal.com

626.528.8390

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© 2026 by The Proving Ground.

Hours of operation

9am-10pm Everyday

contact us

2948 Gardena Ave
Signal Hill, CA 90755

Email: support@theprovinggroundsocal.com
Phone:
626.528.8390

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