We Build HistoryTM

Since its founding in 1909, I&L has provided quality construction services and has established a standard for performance with integrity that is the foundation of the company’s relationships with customers, architects and engineers, subcontractors and employees. A tradition of accomplishment and a spirit of commitment drive the firm’s operations into the future.

Over 1500 Successful Projects Since 1909

First Retail Project Built in 1954

Our Sector Knowledge

Select Experience

The projects shown are a select few showing Irwin & Leighton's depth of experience and knowledge within the Commercial Construction industry.

Project Experience
New Outpatient Facility, Capital Health System

New Outpatient Facility, Capital Health System

Healthcare & Senior Living, Select Experience

Tenant Fit-Out, Main Event Entertainment

Tenant Fit-Out, Main Event Entertainment

Retail/Hospitality, Select Experience

New Store, Target Corporation

New Store, Target Corporation

Retail/Hospitality, Select Experience

Meet Our Team

As an employee owned, privately held business, we hire the best, brightest and most talented individuals in the business. We pride ourselves on our corporate culture, passion for success and our drive to make every customer our next 50 year customer.

Bringing more value to your vision.
Bold thinking begins where conventional thinking ends.

Latest News

The latest news from Irwin & Leighton including industry trends, the best construction blogs and publications and updates on our latest project news.

I&L is proud to sponsor @COAAHQ Fall Workshop @penn_state #constructiontrends #buildinghistorysince1909

In keeping up with the technology of the time, @Ford contracted Irwin & Leighton & @Ballingerae to handle various projects at their Lansdale, PA electronics plant while Brown Printing kept them busy in the East Greenville, PA plant with @mgarchitects #buildinghistorysince1909

2

The ongoing modernization of the 1990's led the way to changes in how our customers did business. Regional HQ for companies such as UGI Corporation,@StateFarm & @KPMG_US were among several of those Irwin & Leighton is proud to have completed.

2

Sign Up for News Delivery

Work With Us

As a leading builder, Irwin & Leighton partners with the top subcontractors who have a prime focus on safety and performance.