About Us

Professional Elevator Services (PES) is pleased to celebrate 2015 as our 25th year in the elevator businessPES is a company built on a foundation of quality and decades of elevator experience. We are proud of our history and reputation as a full service, customer-focused firm. We have only been able to achieve such a milestone by the dedication of our team of professionals and the loyalty of our customers. 

From PES' humble beginnings in a studio apartment, our company quickly grew into a thriving business entity. Despite competition from larger firms, we soon became one of the leading providers of elevator construction, maintenance and repair in the Midwest.

Our business has evolved over the past quarter century. Our customer base has grown substantially.  We have served clients such as the Chicago Housing Authority, the University of Chicago, O'Hare International Airport, Malcolm X College, the Chicago Transit Authority, McCormick Place, St. Louis University, the St. Louis Art Museum, the Peabody Opera House and Washington University. What has not changed throughout the years is PES' commitment to providing superior products and services to our customers.

Our reputation has been built on a strong work ethic, a commitment to quality, and placing our clients first. Our pledge is simple: we are dedicated to serving our customers.  This promise extends not only to our contract customers, but to the property owners, developers, architects, engineers, building managers and general contractors who rely on our dependable service.

Thank you for helping us celebrate our silver anniversary. We look forward to many more years of delivering excellence to those we serve.


Kenneth W. Mason


2635 S. Wabash, 3rd Fl
Chicago, IL 60616
Phone: 312-842-6715
Fax: 312-842-4450
email: sales@proelevator.com

Our Mission: To provide customized vertical transportation services with a focus on customer satisfaction, timeliness and safety.

Professional Elevator Services, Inc. (PES), a certified MBE/DBE and bonded company, was founded in January, 1990 by Kenneth W. Mason. After earning an undergraduate degree in Engineering, he began working for a major elevator manufacturer. During this time, he saw an opportunity to provide more customized, reliable services to clients by starting his own elevator company. Launching PES while completing a Masters' degree in Engineering, his vision and dedication has resulted in PES becoming a trusted provider of elevator services.

PES brings together leading manufacturers of vertical transportation products, and makes customized selections, so that you gain the quality and purchasing advantages that result from our vast connections and expertise. Beyond cost efficiencies, we provide a range of value to our customers; chief among them are the performance and reliability of our people. Our company is large enough to handle construction, modernization or maintenance project, but small enough to give you the individual attention you deserve.

P.E.S. is an Equal Opportunity Employer. We have a strong track record for diversity. We employ those who are proficient in their trade regardless of race, creed, or age.

Professional Elevator Services Headquarters