Join Los Angeles County chambers and business organizations plus hundreds of exhibitors for the ultimate business networking event! Mix and mingle with business people representing hundreds of industries and companies in and around Los Angeles County. L.A.'s Largest Mixer® is a great opportunity to reach small to large companies, meet new clients and learn how the different chambers of commerce and business organizations can make your business grow. Mixer admission: $20 per person at the door (no credit cards or checks) The Largest Mixer® is open to the entire business community.