What buying on radio involves — how the deal usually happens, what it is priced by — is the same whatever the subject, so it is written once in the Radio guide rather than repeated here.
None of these sellers publishes a rate for an ad spot on radio yet — a gap in what has been read, not evidence that the ad spots are free or unsold.
US ad sales rep firm selling advertising across 150+ podcasts and 4,000+ radio stations
TelevisaUnivision's ad-sales arm for Televisa's Mexican TV, Univision and ViX streaming across the Hispanic market
Australian regional TV/radio network selling ads for Channel 7/9 affiliates and its radio stations
Canada's public broadcaster's ad sales arm across TV, radio, digital and streaming
Korea Broadcast Advertising Corporation, the state-backed ad sales agency for Korean broadcasters
RAI's sales house for its TV channels, radio stations and RaiPlay in Italy
Atresmedia's sales house for Antena 3, La Sexta and Atresplayer in Spain
Greek media group selling ads across ANT1 TV, Rhythmos radio stations and ANT1+ digital
Talpa Network's sales house for SBS6, Veronica TV, Radio 538, Sky Radio and Viaplay
Groupe M6's sales house for M6, W9, RTL radio, 6ter, Gulli and digital in France
Sells TV, radio, digital and print advertising across Austria's public broadcaster ORF