51ÂÒÂ×»»ÆÞ

Celebrating our history. building the future.

Watch our Anniversary Video!

Read More

Transmission

Any configuration. Any voltage. Any terrain.

Read More

Irby is Looking for A Few Good (Line)Men

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

Read More

Emergency Restoration

Hurricane season is here and we are ready!

Read More

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.

Read More

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.

Read More

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

Hurricanes Helene & Milton Emergency Response

Hurricanes Helene & Milton Emergency Response

September 4, 2025
Destin Resiliency and Rebuild Projects

Destin Resiliency and Rebuild Projects

September 4, 2025
SMT Houston IV BESS Project

SMT Houston IV BESS Project

September 4, 2025
Duke Energy – Mosaic APW AF Line

Duke Energy – Mosaic APW AF Line

September 3, 2025
Jefferson Davis Electric Cooperative 230KV T-Line System Loop Upgrade

Jefferson Davis Electric Cooperative 230KV T-Line System Loop Upgrade

September 3, 2025
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

WATTS IN THE NEWS

Read More News

CONTACT US

|

HIRE IRBY

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

Request a bid


JOIN OUR TEAM

Learn about current openings or contact us by clicking here.

CAREERS


EMPLOYEE INFO

Request employment verification or benefits information by clicking here.

REQUEST INFO

Learn more about our subcontractor management program by

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]

Our privacy policies

FACEBOOK FEED:

Irby 51ÂÒÂ×»»ÆÞ Company

1 day ago

Irby 51ÂÒÂ×»»ÆÞ Company is hiring a Data Center 51ÂÒÂ×»»ÆÞ General Superintendent in Lockhart, TX! Applicants must be legally authorized to work in the United States. Employer sponsorship is not available for this position. To learn more and apply, visit: www.irbyconstruction.com/careers/ ... See MoreSee Less

·

Share by Email

1 day ago

Irby 51ÂÒÂ×»»ÆÞ Company is hiring a Substation Project Manager in Tulsa, OK! Applicants must be legally authorized to work in the United States. Employer sponsorship is not available for this position. To learn more and apply, visit: www.irbyconstruction.com/careers/ ... See MoreSee Less

·

Share by Email

1 day ago

Elevating infrastructure, one pole at a time!Irby Crews are committed to building stronger, safer grid for the future. ... See MoreSee Less

·

Share by Email

3 days ago

Built on grit, powered by purpose!Irby crews on job 3631 are standing strong to keep power flowing. ... See MoreSee Less

·

Share by Email

3 days ago

Irby 51ÂÒÂ×»»ÆÞ Company is hiring a Safety Coordinator in Louisiana, Mississippi, Arkansas, and Florida! Applicants must be legally authorized to work in the United States. Employer sponsorship is not available for this position. To learn more and apply, visit: www.irbyconstruction.com/careers/ ... See MoreSee Less

·

Share by Email

6 days ago

Bridging connections!On Job 3311, Irby crew are ensuring seamless power transmission across waterways! ... See MoreSee Less

·

Share by Email

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