Chatsworth/Porter Ranch Chamber, General Membership Meeting Luncheon 11:30 a.m. Radisson Hotel Chatsworth, 9777 Topanga Canyon, Chatsworth $20 Contact (818) 341-2428 Universal City North Hollywood Chamber, Networking Luncheon Sizzler, 6343 Laurel Canyon Blvd, North Hollywood $15 prepaid, $17 at the door Contact (818) 508-5155 Mid Valley Chamber of Commerce, Business Mixer 5:30 p.m. 7:30 p.m. VEDC, 5121 Van Nuys Blvd., 3rd Floor, Van Nuys Free Admission, $5 for non-members Contact (818) 989-0300 Burbank Chamber of Commerce, Business Mixer 5:30 p.m. 7:30 p.m. Castaway Restaurant and Banquet Center, 1250 Harvard Road, Burbank $10 for members, $15 for prospective members Contact (818) 846-3111