Allegiance Staffing 1 South Prince St, Lancaster PA 17603 Get Directions Phone 717.391.6000 Website View Website Hours Had enough with so-so staffing services? Tired of wasting your time and money? You need a true staffing partner—a company proven to deliver better staffing value, exceptional candidate quality, and results in the top 1% of the staffing industry. Allegiance is that partner. A Best of Staffing™ award-winning firm. A company with a 98% order fill rate. A company that has become the #1 preferred vendor to more than three out of four of our clients.