Irwin & Leighton, Inc.



Who We Are

Irwin & Leighton provides quality construction services throughout the Mid-Atlantic region to prominent organizations from the corporate, educational, healthcare, pharmaceutical, and retail sectors.

I&L Corporate Headquarters

The company’s hallmark lies in the strength of its long-term relationships with its customers as well as its employees. Many customer relationships are measured in decades. The average employee tenure exceeds ten years.

The firm’s principal office is located in King of Prussia, Pennsylvania. A satellite office is maintained in Princeton, New Jersey.

Irwin & Leighton’s Corporate Excellence Program focuses on consistently achieving customer satisfaction through involvement of professionals in the details of every project, active principal participation in day-to-day operations, and strict adherence to proven procedures that guide the firm’s control of quality, cost, and schedule for every project.

State Farm Insurance Company Children's Hospital of Philadelphia Target Stores Princeton University

© 2011 Irwin & Leighton