Human Resources Narrow search by: Keyword: Results Found: 3 View On Map new search Sort by: A-Z Print Contact these Businesses TriNet 555 W. 5th st. Floor 35 Los Angeles , CA 90016 (213) 246-9603 Champion Employer Services 9574 Topanga Canyon Blvd. Chatsworth, CA 91311 (818) 678-6400 Build WorkSource Center 9207 Eton Ave. Chatsworth, CA 91311 (818) 701-9800