51ÂÒÂ×»»ÆÞ

Celebrating our history. building the future.

Watch our Anniversary Video!

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Transmission

Any configuration. Any voltage. Any terrain.

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Irby is Looking for A Few Good (Line)Men

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

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Emergency Restoration

Hurricane season is here and we are ready!

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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.

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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.

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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

Transmission
Renewables
Distribution
Telecommunications
Substation
Outdoor Lighting
Foundation
Emergency Restoration

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.

Want to learn more about us? Watch the video or on .

from on .

FEATURED PROJECTS

Storm Damage Assessment After Hurricane Ian

Storm Damage Assessment After Hurricane Ian

August 11, 2023
Patterson – S. Nashville 138kV Transmission Line Rebuild Project

Patterson – S. Nashville 138kV Transmission Line Rebuild Project

October 12, 2022
Entergy Harahan-Avondale

Entergy Harahan-Avondale

July 20, 2022
FPL EVolution HUB

FPL EVolution HUB

February 10, 2022
New England Clean Energy Connect Transmission Line

New England Clean Energy Connect Transmission Line

February 1, 2022
Sunshine Gateway Battery Energy Storage Center

Sunshine Gateway Battery Energy Storage Center

August 27, 2021
Manatee Battery Energy Storage Center

Manatee Battery Energy Storage Center

June 22, 2021
Florida Power & Light Underground Lateral Hardening

Florida Power & Light Underground Lateral Hardening

October 17, 2019
Bozeman Road Distribution Project

Bozeman Road Distribution Project

April 2, 2019
Port St. Joe-Callaway 230kV Transmission Line Upgrade Project

Port St. Joe-Callaway 230kV Transmission Line Upgrade Project

March 21, 2019
Northeast 138kV Substation Upgrade Project

Northeast 138kV Substation Upgrade Project

February 19, 2019
Colton Lane Substation Upgrade Project

Colton Lane Substation Upgrade Project

December 19, 2018

WATTS IN THE NEWS

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CAREERS
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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]

Our privacy policies

FACEBOOK FEED:

Irby 51ÂÒÂ×»»ÆÞ Company

5 days ago

Today marks day three of Hard Hat Awareness Week. 🦺Irby crews - on a busy job site, your hard hat does more than protect; it speaks for you. Branding your hard hat allows it to cut through the noise, showing what crew you're with and what role you play.Stickers and coded colors boost visibility, reinforce safety messages, and help everyone stay alert and aware. In this industry, there’s no room for confusion. Branding brings clarity, unity, and pride to the job site every day. #HardHatAwarenessWeek #Safety #WeAreQuanta ... See MoreSee Less

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6 days ago

Hard Hat Awareness is a team effort. 🦺Wearing your hard hat, inspecting it regularly, storing it properly, and staying alert to the risks of head injury - all of it matters. On the jobsite, there’s no room for shortcuts, and it’s all about protecting what’s under the hat.Because out there, one lapse can change everything. Stay sharp, stay covered, stay safe, Team Irby! 💪Learn more about Hard Hat Awareness Week here: #HardHatAwarenessWeek #Safety #WeAreQuanta ... See MoreSee Less

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1 week ago

Irby 51ÂÒÂ×»»ÆÞ is proud to stand behind Hard Hat Awareness Week, taking place from June 9–15. 🦺This national initiative spotlights the critical role of head protection in the field, promoting best practices and raising awareness to help prevent life-changing brain injuries.At Irby, hard hats aren’t optional - they’re essential. The difference between wearing one or not can be a stark reality. That’s why we’re backing this cause and doing our part to keep safety front and center.We’ll be sharing updates all week long—stay tuned and stay protected. 💪Learn more at #HardHatAwarenessWeek #Safety #WeAreQuanta ... See MoreSee Less

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2 weeks ago

Irby 51ÂÒÂ×»»ÆÞ Company is hiring a Substation Estimator based out of Lockhart, Texas! Applicants must be legally authorized to work in the United States. No employer sponsorship is offered for this position.To learn more about the position and to apply, visit: www.irbyconstruction.com/careers/ ... See MoreSee Less

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2 weeks ago

Irby 51ÂÒÂ×»»ÆÞ Company is hiring a Substation Project Manager in Lockhart, Texas! Applicants must be legally authorized to work in the United States. No employer sponsorship is offered for this position.To learn more about the position and to apply, visit: www.irbyconstruction.com/careers/ ... See MoreSee Less

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2 weeks ago

#ThrowbackThursday In 1969, Irby 51ÂÒÂ×»»ÆÞ Company completed the first AC 765 kV steel and aluminum tower line in the United States for AEP. ... See MoreSee Less

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