PCS ProStaff, Inc. formerly known as PCS Consultants, Inc. offers a range of human resources & business consulting services throughout the San Bernardino County at every stage of growth. PCS is recognized as a industry leader in Payroll, Human Resources, Staffing, and Harassment Prevention Training. PCS offers HR Support Center services On Call or Onsite. PCS focuses on Quality, Service and Value to all it's clients in California.