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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

TEXAS SUBSTATION/TRANSMISSION
1408 Blackjack Street
Lockhart, TX 78644

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

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

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

FLORIDA 
7592 CR-225
Wildwood, FL 34785-8503

FLORIDA TRANSMISSION 
3125 Grissom Pkwy
Cocoa, FL 32926

FLORIDA FOUNDATIONS
3125 Grissom Pkwy
Cocoa, FL 32926

GEORGIA 
975 Patrick Industrial Court 
Winder, GA 30680

OKLAHOMA 
510 E. Will Rogers Blvd. 
Claremore, OK 74017

LOUISIANA FOUNDATIONS
36522 Luke Drive
Geismar, LA 70734

CALIFORNIA
100 West Keystone Road
Brawley, CA 92227

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

3 days ago

Irby Construction Company
Congrats to Lanny Griffin, Irby Florida Superintendent, for capturing this stunning sunrise photo from Irby transmission Job 3352 and winning the November Irby Pics Contest. Think you’ve got what it takes to be a winner? Send your best Irby photos to [email protected] for a chance to be featured next month#IrbyConstruction #AbsolutePerformance #WeAreQuanta #IrbyPicsContest Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

4 days ago

Irby Construction Company
Irby Construction Company is hiring a Corporate Senior Estimator in Richland, Mississippi! Applicants must be legally authorized to work in the United States. No employer sponsorship is available 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

5 days ago

Irby Construction Company
This past week we celebrated Thanksgiving with good food and even better company and teamwork at our Richland Office! 🦃🍂 #thankful #HappyThanksgiving #IrbyConstruction #wearequanta Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

1 week ago

Irby Construction Company
Happy Thanksgiving from all of us at Irby Construction Company. 🦃Today, we’re thankful for our incredible team, our supportive community, our trusted partners, and our valued customers.#HappyThanksgiving #Thanksgiving2025 #IrbyConstruction #QuantaServices Quanta Services, Inc. ... See MoreSee Less

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Irby Construction Company

2 weeks ago

Irby Construction Company
It is with great sadness we share the news that Bill Korlath, Irby’s former President, has passed away. Mr. Bill was a cherished member of the Irby family, dedicating over 50 years of service to our company. His leadership, integrity, and unwavering commitment to Irby left an undeniable mark on our company and all who had the privilege to work alongside him.Our hearts are with Bill’s family and loved ones during this difficult time. If you worked with Bill, please comment below with your favorite memories of him. ... See MoreSee Less

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Irby Construction Company

2 weeks ago

Irby Construction Company
When the sun sets, our commitment to keeping the lights on constantly shines. #IrbyConstruction #AbsolutePerformance #wearequanta #quantaprojects Quanta Services, Inc. ... See MoreSee Less

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