CELEBRATING 75 YEARS IN BUSINESS.
The year 2021 marks a major milestone for Irby Construction. We’re so proud of this milestone accomplishment we’re celebrating all year.
We have made it to this juncture thanks to all the people of Irby. Exceptional tenure, leadership, and daily commitment to safety and our company values are essential ingredients to the Irby success story.
Likewise, we owe gratitude to our clients and partners—many of whom we have worked with frequently over the course of decades. We consider ourselves fortunate to have earned your trust.
Watch our Anniversary Video
LOOKING BACK
We started as pioneers in our industry and that spirit prevails at Irby today.
Our company built the electric grid we’re expanding and upgrading today. We created construction processes that have been adopted as industry standards. And we continue to push boundaries.
This company has built electric power infrastructure all over the United States and abroad. From Alaska to Africa – we became known for our ability to tackle the biggest challenges and develop solutions.
STRONG AT 75
At 75 years old, this company’s experience is storied, and our track record is solid.
Today we are standing on the solid foundation our history provides. But we refuse to rest. It’s not in this company’s DNA.
We’re growing like never before. We’re expanding our scope of services. We’re employing new technology. And we’re continuously raising the bar for safety, training, and productivity.
LOOKING AHEAD
Our industry will continue to change but one thing will always stay the same. Irby’s approach to absolute performance and our family-first culture is forever here. It’s what shapes the experience of working with our team. Count on it.
Miles of line constructed
Projects completed
Employees and growing all the time
% Of our team with 10+ years of tenure
1919
Stuart C. Irby founded Stuart C. Irby Company, which specialized in wholesale electrical supplies and electrical contracting...
1946
Irby Construction Company was chartered as a separate organization headed by Stuart C. Irby, Jr., son of the founder... 
1965
Irby Construction Company had successfully constructed projects in 36 states, and by 1966, it had constructed more... 
1966
Irby utilized helicopters for the first time to assist in power line construction... 
1971
Irby constructed the first 765kV project in the U.S. in 1967, completing the project in 1971. 
1975
Irby constructed transmission, distribution, and substation projects in Java, Indonesia... 
1977
Irby constructed a 112-mile, 400kV transmission line project in South Africa. This same year, Irby also began 12.... 
1985
Irby constructed 98 miles of 345kV transmission in the environmentally sensitive... 
1986
Irby constructed a 112-mile, 400kV transmission line project in South Africa... 
1987
A leader in safety, Irby established a lineman apprenticeship program that received certification from the U.S... 
1993
Irby received certification from the U.S. Department of Labor. 
1995
Irby completed construction of an EHV transmission line in Belize, Central America. 
2000
Irby Construction Company was acquired by Quanta Services, Inc. on July 10, 2000. 
2003
Irby Construction Company completed a 192-mile 345kV transmission line for NV Energy... 
2006
Irby Construction Company completed an energized transmission project in Chad... 
2008
Irby Construction Company was awarded a 5 year transmission line construction and maintenance contract for... 
2009
Irby Construction Company constructed a 230-mile 345kV transmission line for... 
2011
Quanta Services merged Okay Construction operations into Irby. This same year, Irby Construction Company... 
2012
Irby Construction Company moved into our new corporate headquarter in Richland, Mississippi. 
2015
Irby Construction completed the 230-mile Central Loop of Maine Power Reliability Program (MPRP)... Read more 
2016
In December of 2015, Quanta Services announced its appointment of Mr. Lee Jones as President of Irby... Read more 
2017
Continuing its tradition of innovation and expansion, Irby launched its outdoor lighting service in 2017... Read more 
2017
June 22, 2017: Irby was recognized at the 2017 Best Places to Work luncheon hosted by the Mississippi Business Journal. 
2017
November 10, 2017 Irby opened a new 14,000 sq ft office in Lockhart, Texas. The office serves LCRA ad other clients in central Texas and features 4,000 square feet of office space and 10,000 square feet of warehouse. 
2017
December, 2017 Irby Construction expanded its offering by creating an underground construction division. 
2018
Irby’s parent company, Quanta Services, acquired Northwest Lineman College. NLC is the electric power industry’s largest educational and training institution. 
2019
March 27, 2019 Irby President, Lee Jones, was recognized by the Mississippi Business Journal as one of the state’s Top CEO's for 2019, by the Mississippi Business Journal. 
2019
August 5, 2019 Irby Construction acquired Marathon Construction Services, expanding it’s foundation capabilities. Marathon operates as a division of Irby Construction. 
2019
October 7, 2019 Legend Foundation Services (“Legend”) was created after the acquisition of several foundation crews. A division of Irby Construction Company, Legend is a 50-employee company based in Broussard, Louisiana with specialized experience and capabilities working on complex projects in foundation construction, caisson installation, pole setting, as well as especially challenging amphibious foundation construction activities. 
2021
In December 2021, Irby Construction completed work on-site at Manatee Battery Energy Storage Center (BESS) and substation, which consists of 132 new battery line-ups connected to a new 230/34.5 kV substation. The Florida Power and Light project included the placement of 53,144 individual battery modules on a site that is the size of 3 football fields. At the time of completion, Manatee Battery Energy Storage Center was the world’s largest solar-powered battery. Read more 
2022
Jason Clayton was promoted to President of Irby Construction Company, effective January 31, 2022 Read more Keep in touch on social
Follow our 75th celebration on social media! Get a glimpse into our rich history in the form of some epic vintage photos
CONTACT HR DIRECT:
Contact HR directly by clicking here.
FOLLOW US:
CONTACT US:
318 Old Highway 49 South
Richland, Mississippi 39218-9449
Phone: 601-709-4729
Email: [email protected]
FACEBOOK FEED:
Irby Construction Company is a wholly-owned subsidiary of Quanta Services, Inc. (NYSE: PWR).