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The Chicago metropolitan area (the Chicago market) commands the third-largest media market in the United States after New York City and Los Angeles and the largest inland market. [ 1] All of the major U.S. television networks have subsidiaries in Chicago. WGN-TV, which is owned by the Tribune Media Company, is carried (with some programming ...
BarBri (Chicago) Bixbee (Chicago) Career Education Corporation ( Hoffman Estates) DeVry University ( Naperville) Encyclopædia Britannica, Inc. (Chicago) Follett Corporation ( River Grove) Kendall College, LLC (Chicago) PrepMe (Chicago) Rand McNally ( Skokie ), a subsidiary of Quebecor World.
Nielsen Media Research ( NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen ratings, an audience measurement system of television viewership that for years has been the deciding ...
Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by merging with Los Angeles–based Coffin, Cooper, and Clay in the early 1950s. [2]
The following is a list of FCC-licensed radio stations in the U.S. state of Illinois, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations
The A.C. Nielsen company, which continues to measure television ratings today, took over American radio's ratings beginning with the 1949–50 radio season and ending in 1955–56. [40] During this era, nearly all of radio's most popular programs were broadcast on one of three networks: NBC Red, NBC Blue, or CBS' Columbia network.
List of Canadian stations available in the United States; List of United States over-the-air television networks; List of TV markets and major sports teams; List of the Caribbean television channels; Lists of television stations in North America; List of radio stations in North America by media market; U.S. broadcast television template
WLS. / 41.5558667°N 87.8483861°W / 41.5558667; -87.8483861. WLS (890 kHz) is a commercial AM radio station in Chicago, Illinois. Owned by Cumulus Media, through licensee Radio License Holdings LLC, the station airs a talk radio format. WLS studios are in the NBC Tower on North Columbus Drive in the city's Streeterville neighborhood.