51ÂÒÂ×»»ÆÞ

Transmission

Any configuration. Any voltage. Any terrain.

Irby is Looking for A Few Good (Line)Men

We’re hiring! Take a look at our careers page for more information.

Emergency Restoration

Hurricane season is here and we are ready!

Bozeman Road Distribution Work

Featured Distribution Project

Irby 51ÂÒÂ×»»ÆÞ was awarded the Bozeman Road Project in May of 2017 by Entergy Mississippi. The project scope consisted of adding three new circuits out of the existing Bozeman Rd Substation in Madison, MS due to a new transformer addition.

Port St. Joe to Callaway 230kV Rebuild

Emergency Storm Restoration

Hurricane Michael made landfall on October 10th, 2018 near Mexico Beach, Florida. Duke Energy’s 230kV 34-mile PX line from Port St. Joe to Callaway was damaged beyond repair.

IRBY CONSTRUCTION COMPANYÌýbuilds power infrastructure on a turnkey basis. As a premier transmission construction company, we have built high-voltage power line projects that span the entire United States— from the pacific coast to the eastern seaboard. Our work has even taken us to other countries across the globe.ÌýIrby also constructs and connects substations and distribution systems. So, our scope of services covers power delivery systems every step of the way—from generation, down the line and into homes and businesses.Ìý

We’re Like Family at Irby

We started as a family business and have carried that culture forward. There’s a pride that comes with working here and it shows in our work. Irby 51ÂÒÂ×»»ÆÞ Company’s extraordinary record of success can be attributed to our people who are among the most respected, experienced and talented in the industry. More than a company name that has been around for generations, Irby brings to the table a team of people who have been in this business for decades.

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FEATURED PROJECTS

WATTS IN THE NEWS

CONTACT US

HIRE IRBY

Submit an RFP, learn about our capabilities, or tell us about a Ìýproject.

JOIN THE IRBY TEAM

Learn about current openings or contact us by clicking here.Ìý

EMPLOYEE INFO

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CONTACT HR DIRECT:

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CONTACT US:

318 Old Highway 49 South
Richland, Mississippi 39218-9449

Phone: 601-709-4729
Email: [email protected]

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Irby 51ÂÒÂ×»»ÆÞ Company

19 hours ago

Day 3 of 51ÂÒÂ×»»ÆÞ Safety Week is all about owning your role in safety. When every team member takes responsibility, we stay aligned and move toward a common goal: getting everyone home safe. Communication, education, leadership, field presence, preparation, empowerment, and mentorship are the building blocks of a strong safety culture—one where risks are reduced, and safety is second nature. ... See MoreSee Less

2 days ago

Day 2 of 51ÂÒÂ×»»ÆÞ Safety Week focuses on identifying High Energy hazards. A High Energy hazard is a workplace situation with enough energy potential that contacting it could likely result in a serious injury or even death. These hazards are often referred to as "stuff that kills you (STKY) hazards.Eliminating high-energy hazards demands constant vigilance and a shared commitment to identifying potential risks before work begins. By recognizing these hazards and putting proper controls in place, we can protect the safety and well-being of every Irby team member. #WeAreQuanta ... See MoreSee Less

3 days ago

51ÂÒÂ×»»ÆÞ Safety Week is May 5–9, 2025. 🚧At Irby 51ÂÒÂ×»»ÆÞ, safety drives every decision we make. It’s the foundation of our work—and our daily commitment to each other and the communities we serve. All week long, we’ll be sharing safety insights and resources from CSW. Today’s safety takeaway is to plan with precision. Safe work doesn’t happen by accident. It starts with intentional, detailed planning. Identifying hazards early, preparing the right tools, and coordinating with your crew helps prevent injuries and keep the job running smoothly. The more precise the plan, the safer the outcome.Stay tuned and stay safe. Learn more below: #WeAreQuanta ... See MoreSee Less

6 days ago

Congrats to our April Irby Pics Contest winner, Michael (Tubby) Franks! He captured this beautiful sunset shot of a 500 kV line in Holly Ridge, Louisiana. Irby employees, be sure to share any Irby-related photos with [email protected], and you could win a $150 Amazon Gift Card! ... See MoreSee Less

1 week ago

Night Operations underway! 🌙Irby Crews are working hard on Job 3437 in Flatonia, TX. ... See MoreSee Less

1 week ago

Aerial perspective on Job 3411!This job consists of 500kV transmission line. ... See MoreSee Less

Irby 51ÂÒÂ×»»ÆÞ Company is a wholly-owned subsidiary of . (NYSE: PWR).