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4th Annual Pahrump Valley Chamber of Commerce Golf Tournament is Coming. Learn More. Pahrump Valley Chamber of Commerce Pahrump Valley Chamber of Commerce Corporate Partner Tier I Chamber Of Commerce Events Business After Hours Business After Hours Business After Hours is a social gathering at a Chamber member business and provides members with the opportunity to get to know the host business and its people in a more relaxed setting. The evening is also a useful forum for networking and interacting with the local business community.