Challenge Sales is located at 2678 Bishop Dr Ste 120, San Ramon, CA. This business specializes in Medical Supplies. Challenge Sales is open Mon, 8am-5pm; Tue, 8am-5pm; Wed, 8am-5pm; Thu, 8am-5pm; Fri, 8am-5pm; Sat, Closed; Sun, Closed and accepts All Major Credit Cards, American Express, Cash and Visa.