Cornerstone Staffing Solutions has completed two key acquisitions: New Jersey-based The Wyckoff Group and Dallas, TX-based Valtech Services. Cornerstone Staffing Solutions, Inc., a $100+ million staffing firm with offices now in California, Nevada, Michigan, Pennsylvania, New Jersey, Maryland and Texas. The Wyckoff Group, with branch operations in Shrewsbury, Spotswood and Lakewood, provides Administrative & Clerical,… Read more »