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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

6 days ago

Irby Construction Company
80 years. That's not just a number; it's a legacy built one line, one project, and one handshake at a time. July 1, 2026, marks the 80th anniversary of Irby Construction Company. Since 1946, Irby Construction has built the infrastructure that powers communities across the country, driven by an uncompromising standard: Absolute Performance. Success without exception. Whatever it takes. Always.As we celebrate 80 years, we're not just looking back; we're energized by everything that's ahead. Here's to the people, the work, and the next 80 years of Irby.⚡️#IrbyConstruction #AbsolutePerformance #WeAreQuanta #80thanniversary Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

7 days ago

Irby Construction Company
Introducing Jordan Theriot!Jordan is an Assistant Project Manager for Legend Foundation Services, a division of Irby Construction, based in Geismar, Louisiana. What Jordan enjoys most about his job is…” being in the Transmission Power Line Industry and seeing how the work we do has such vital importance to the community, especially during devastating storm events.”Click to view Jordan’s full Employee Spotlight: content.app-us1.com/WpZJ1/2026/06/24/37fc1bb5-a0e0-4988-a4df-75187fa41971.pdf #IrbyConstruction #AbsolutePerformance #WeAreQuanta #EmployeeSpotlight Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

1 week ago

Irby Construction Company
Congratulations to Caitlin Scott, Field Billing Specialist, our June Irby Pics Contest winner! Think you've got the next winning photo? Here's all it takes:SNAP IT — On the job, in the office, or anywhere Irby takes you.SEND IT — Email your best shots to [email protected]. Be sure to include employee names, job numbers, location, and any pertinent details.WIN IT — Get selected and score an Amazon gift card!#IrbyConstruction #AbsolutePerformance #WeAreQuanta #irbypicscontest Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

2 weeks ago

Irby Construction Company
Aerial transmission work demands expert coordination, specialized equipment, and an unwavering commitment to safety.#IrbyConstruction #AbsolutePerformance #WeAreQuanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

2 weeks ago

Irby Construction Company
From first light to project completion, our crews are dedicated to strengthening the electric grid through safe, reliable, and high-quality construction. ⚡🌅#IrbyConstruction #AbsolutePerformance #WeAreQuanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

2 weeks ago

Irby Construction Company
Take the first step toward a rewarding career in the power industry with the Louisiana Resiliency Scholarship. Through a partnership between Quanta Services and Entergy, this unique opportunity helps aspiring lineworkers gain the training and resources needed to succeed by covering tuition, housing, tools, and CDL expenses.Created to strengthen Louisiana’s future workforce, the scholarship introduces students to careers that play a critical role in keeping our communities powered, connected, and resilient. Irby is proud to support this investment in the next generation of lineworkers and power delivery professionals.Learn more and apply today: www.irbyconstruction.com/wp-content/uploads/2026/06/EntergyQuanta_LinemanScholarship_Flyer_Update... ... See MoreSee Less

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