Since 1995, Principal Technical Services (PTS) has been providing high quality, outsourced engineering and professional personnel to a wide range of clients throughout California. Our clients include the leaders in the petrochemical, power, transportation, and infrastructure related industries providing engineering, procurement, and construction services. PTS is proud to have contracted personnel working at virtually all California refineries and at many engineering firms that support the infrastructure industries. In a world where the demand for talent exceeds supply, our professional recruiters can confidentially discuss your desires and goals and match your skills to our clients' staffing needs. We can unlock the door to highly-sought after positions with outstanding companies.