1919Stuart C. Irby founded Stuart C. Irby Company, which specialized in wholesale electrical supplies and electrical contracting...
1946Irby Construction Company was chartered as a separate organization headed by Stuart C. Irby, Jr., son of the founder...
1965Irby Construction Company had successfully constructed projects in 36 states, and by 1966, it had constructed more...
1967Irby constructed the first 765kV project in the U.S. in 1967. The company ultimately built over 90% of...
1975Irby constructed transmission, distribution, and substation projects in Java, Indonesia...
1977Irby constructed a 112-mile, 400kV transmission line project in South Africa. This same year, Irby also began 12....
1987A leader in safety, Irby established a lineman apprenticeship program that received certification from the U.S...
2003Irby Construction Company completed a 192-mile 345kV transmission line for NV Energy...
2008Irby Construction Company was awarded a 5 year transmission line construction and maintenance contract for...
2011Quanta Services merged Okay Construction operations into Irby. This same year, Irby Construction Company...
2012Irby Construction Company moved into our new corporate headquarter in Richland, Mississippi.
2015Irby Construction completed the 230-mile Central Loop of Maine Power Reliability Program (MPRP)... Read more
2016In December of 2015, Quanta Services announced its appointment of Mr. Lee Jones as President of Irby... Read more
2017Continuing its tradition of innovation and expansion, Irby launched its outdoor lighting service in 2017... Read more
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318 Old Highway 49 South
Richland, Mississippi 39218-9449
Phone: 1-601-709-IRBY (4729)
Toll Free: 1-800-872-0615
Irby Construction Company
318 Old Hwy 49 S
Richland, MS 39218