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IRBY OFFICE LOCATIONS

CORPORATE HEADQUARTERS
318 Old Highway 49 South
Richland, MS 39218

LEGEND FOUNDATION SERVICES 
36522 Luke Drive 
Geismar, LA 70735

MARATHON CONSTRUCTION  
27622 County Rd. 561
Taveres, FL 32778

UNDERGROUND REGIONAL OFFICE
702 Tilman Place
Plant City, FL 33566

FLORIDA REGIONAL OFFICE
3125 Grissom Pkwy
Cocoa, FL 32926

FLORIDA – DUKE REGIONAL
7592 CR-225
Wildwood, FL 34785-8503

GEORGIA REGIONAL OFFICE
975 Patrick Industrial Court
Winder, GA 30680

TEXAS – LCRA REGIONAL 
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

3 days ago

Irby Construction Company
Irby Construction Company is hiring an Estimator/Project Manager in Lexington, SC! This role focuses on learning estimation processes, supporting senior estimators, and ensuring the accuracy and completeness of project cost data. To learn more about the position and to apply, visit: www.irbyconstruction.com/careers/ ... See MoreSee Less

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Irby Construction Company

3 days ago

Irby Construction Company
Before the sun comes up, the work is already in motion.#IrbyConstruction #AbsolutePerformance #WeAreQuanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

5 days ago

Irby Construction Company
Elevating infrastructure with skill, precision, and grit.#IrbyConstruction #AbsolutePerformance #WeAreQuanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

6 days ago

Irby Construction Company
Hoppy Easter from the Irby crew to yours. 🐰⚡Even the Easter Bunny knows who to call when it comes to getting the job done right!Wishing everyone a safe, happy, and bright Easter!#happyeaster #IrbyConstruction #WeAreQuanta Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

1 week ago

Irby Construction Company
Get to Know...Wayne Rochester!Wayne is a Construction Manager based in Tulsa, Oklahoma, and has been with Irby for seven months. What motivates Wayne the most about his job is “...the opportunity to improve and excel within Irby.”Click to view Wayne's full Employee Spotlight!content.app-us1.com/WpZJ1/2026/03/19/9ee117cb-99a7-466a-a730-68a384f48fc7.pdf#IrbyConstruction #AbsolutePerformance #WeAreQuanta #EmployeeSpotlight Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

1 week ago

Irby Construction Company
Irby Construction Company is hiring a Substation Quality Assurance / Quality Control (QA/QC) professional in Tulsa, OK! Candidates should have strong knowledge of substation construction and OSHA standards. 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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Irby Construction Company is a wholly-owned subsidiary of Quanta Services, Inc. (NYSE: PWR).