California PEO. Employers Resource. If you're a small to medium-sized business, making a profit, creating growth, staying ahead of the competition should be your focus. Employee management, payroll, Workers' Comp, Cal-OSHA compliance and keeping up with ever-changing HR rules are all tedious tasks that can rob you of the precious time and energy you need to stay ahead. Make a mistake, and you face fines, penalties, or worse. The fact is, companies succeed by sticking to what they know, what they do best, and no one is better at people management than Employers Resource.