Come and visit the CornerStone Staffing, one of the leading staffing agencies in Las Colinas, TX, in the heart of the Dallas Fort Worth airport area and easily accessible from the famous George Bush Freeway! Best in Staffing Services. Best in Career Placement. The Best Choice for You! We have a chair for everyone. The Las Colinas recruitment office specializes in a combination of clerical/administrative staffing, as well as light industrial staffing. Not only do our experienced recruiters provide a long lasting, unforgettable relationship to our clients, but our sales team prides themselves in doing the same. Our dedicated associates never fail to contact us for the smallest of questions and everyone is always eager to assist.