The Federal Communications Commission (FCC) has granted a total of 16 licenses and call signs in the category of Amateur license in Oak Brook, Illinois. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| AC9UD | Snyder, Steven O | 2014-03-12 |
| K9DEJ | LEDDY III, HARRY J | 2019-08-14 |
| K9FZF | Kowal, Roland A | 2007-07-26 |
| KA9WAL | DAVIS, TIMOTHY R | 2016-05-10 |
| KC9BXO | Barth, Christopher B | 2012-05-18 |
| KC9FKS | Mori, Kevin T | 2014-01-13 |
| KD7GNU | Lundberg, Barak D | 2010-05-28 |
| KD9AJK | Tatooles, Antone | 2014-02-06 |
| KD9AQC | Snyder, Steven O | 2014-03-12 |
| KD9EZL | MARUCCI, PAUL F | 2015-11-18 |
| KD9JGW | Kamm, Edmund L | 2017-09-13 |
| KD9JSI | Suerte, Glen | 2017-11-21 |
| KD9VOJ | FREEMAN, RICHARD K | 2022-08-02 |
| W9UVB | KNOWLES, ROBERT E | 2014-02-04 |
| WB9HEG | JONES, PAUL J | 2019-01-31 |
| WD9FDY | Spisak, Dennis J | 2017-07-18 |
