Gardner Edgerton, a publicly owned entity headquartered in the US, was founded in 1966 and employs approximately 180 individuals. The company reported $26.1M in revenue as of 2024. Functioning as a tier 2 media tech buyer, the organization operates as Gardner–Edgerton USD 231, a public unified school district primarily headquartered in Gardner, Kansas, United States. Its service area includes the communities of Gardner, Edgerton, and nearby rural areas, as well as sections of Olathe. Geographically, the district is mostly within Johnson County, with extensions into Miami County.
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