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IRBY OFFICE LOCATIONS

CORPORATE HEADQUARTERS
318 Old Highway 49 South
Richland, MS 39218

MISSISSIPPI TRANSMISSION
181 Davis Johnson Dr., Ste H
Richland, MS 39218

MISSISSIPPI DISTRIBUTION
181 Davis Johnson Drive, Ste H
Richland, MS 39218

FLORIDA DESIGN & SUPPORT
13051 N. Telecom Pkwy, Ste 103
Tampa, FL 33637

TEXAS BESS
300 South Commerce St., Suite A 
Lockhart, TX 78644

FLORIDA DISTRIBUTION
2525 Drane Field Road, Ste 3
Lakeland, FL 33811

FLORIDA FOUNDATIONS
3125 Grissom Pkwy
Cocoa, FL 32926

FLORIDA 
7592 CR-225
Wildwood, FL 34785-8503

FLORIDA TRANSMISSION 
3125 Grissom Pkwy
Cocoa, FL 32926

LOUISIANA FOUNDATIONS
36522 Luke Drive
Geismar, LA 70734

GEORGIA 
975 Patrick Industrial Court 
Winder, GA 30680

OKLAHOMA 
321 S. Boston Ave., Suite 705

Tulsa, OK 74103

SOUTH CAROLINA FOUNDATIONS
242 Glassmaster Road 
Lexington, SC 29072

CALIFORNIA
100 West Keystone Road
Brawley, CA 92227

TEXAS SUBSTATION/TRANSMISSION
1408 Blackjack Street
Lockhart, TX 78644

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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 Construction Company

Irby Construction Company

23 hours ago

Irby Construction Company
Taking it to new heights 🚁⚡When access gets tough, innovation takes over—setting structures from the sky to keep the grid moving forward.#IrbyConstruction #AbsolutePerformance #wearequanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

3 days ago

Irby Construction Company
Sun up to power up ⚡️Proud of the crews who show up early, work hard, and power what matters.#IrbyConstruction #AbsolutePerformance #wearequanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

4 days ago

Irby Construction Company
To the moms on our crews, in our offices, and at home supporting it all—thank you for everything you do.You’re the real power behind what we build. ⚡💙Happy Mother’s Day!#IrbyConstruction #AbsolutePerformance #WeAreQuanta #HappyMothersDay #MothersDay Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

6 days ago

Irby Construction Company
As we wrap up Construction Safety Week, one thing is clear: safety doesn’t stop here.At Irby Construction Company, it is built into every plan, every conversation, and every decision. The commitment to looking out for one another and doing the work the right way carries forward long after this week ends.Let’s keep the focus where it belongs: on protecting our people and strengthening the safety culture that makes it possible. 🦺#IrbyConstruction #AbsolutePerformance #WeAreQuanta #ConstructionSafetyWeek #CSW Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

7 days ago

Irby Construction Company
RESPECT. The last Construction Safety Week tenet centers on respect: for the work, the risks, and each other.High-risk tasks demand more than awareness, they require careful planning, strong controls, and accountability from every person on the job. Safety isn’t static. When conditions shift, the plan should too.Owning that process at every stage is how we build a culture where safety is shared, continuous, and non-negotiable.#IrbyConstruction #AbsolutePerformance #WeAreQuanta #ConstructionSafetyWeek #CSW Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

1 week ago

Irby Construction Company
RESPOND.The second theme of Construction Safety Week is all about taking action by responding.Spotting hazards is only step one, while putting the right controls in place before work begins is what keeps crews safe. A structured approach helps teams evaluate risks and determine how to remove or reduce them through smarter planning and jobsite controls.When hazard recognition becomes real, preventive response and action, we protect our people, our communities, and every phase of the work. 🦺Read more here: www.constructionsafetyweek.com/plan-for-safety-week/safety-week-2026/#IrbyConstruction #AbsolutePerformance #wearequanta #constructionsafetyweek #CSW Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company is a wholly-owned subsidiary of Quanta Services, Inc. (NYSE: PWR).