According to our records, this business is located at 170 Yucca Ave. in Barstow (in San Bernardino County), California 92311, the location GPS coordinates are: 34.898005 (latitude), -117.006781 (longitude). Human Services Systems is categorized under Social Service and Welfare Organizations (SIC code 8322). Known organization director is Jim Rogers. You can contact the company by phone at (760) 255-5400.