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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

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 Construction Company

Irby Construction Company

4 days ago

Irby Construction Company
Feeling lucky to be powered by a team this strong ☘️⚡This St. Patrick’s Day, we’re celebrating bringing energy, reliability, and a whole lot of green spirit to everything we do.#StPatrick'sDay #IrbyConstruction #WeAreQuanta Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

5 days ago

Irby Construction Company
Strength in steel. Reliability in every mile. Delivering the power that keeps the lights on on Job 3162! #IrbyConstruction #AbsolutePerformance #Georgia #wearequanta #quantaprojects 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 Regional Office Manager – Operations & Finance in Cocoa, FL! This leadership role oversees office operations, financial reporting, and administrative team management while supporting transmission projects in a fast-paced utility construction environment. To learn more about the position and to apply, visit: www.irbyconstruction.com/careers ... See MoreSee Less

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Irby Construction Company

1 week ago

Irby Construction Company
Get to Know... Matt Wymer!Matt is the Director of Business Operations at Irby's headquarters in Richland, Mississippi, and has been with the company since August 2025. What Matt finds most unique about Irby is “the legacy of excellence and the dedication to a culture of absolute performance.”Learn more here: content.app-us1.com/WpZJ1/2026/02/19/585ff8cd-6f8f-4e8f-8f95-bcb7c4bc8938.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, and Lockhart, TX! Candidates should have 4–8 years of substation construction experience and strong knowledge of 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

1 week ago

Irby Construction Company
Irby Construction Company is hiring a Substation Estimator II and a Substation Estimating Manager in Tulsa, OK, and Lockhart, TX! Applicants must be legally authorized to work in the United States. No employer sponsorship is offered for these positions. To learn more about the positions 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).