For Top 4 radio media companies that run popular AM stations and thus are active on the radio news market radio market, also ABS-CBN Corporation (DZMM 630, 24.9%) and GMA Network Inc. (DZBB 594, 22.3%)stand out as the top players. Interestingly, also the Philippine Broadcasting Service-Bureau of Broadcast Services (PBS-BBS), run by the Presidential Communications Operations Office (PCOO), reaches 22.3% of the audience through DZRB 738. Together with the 4th biggest company, Manila Broadcasting Company (DZRH 666), they reach 84.3% of the audience – which equals a high concentration in the news radio market. Besides the government, the Lopezes (ABS-CBN), the Duavit/Jimenez/Gozon connection, also the Elizalde Family (Manila Broadcasting Company) has a stand in radio market.
Para sa nangungunang apat na kumpanya ng mga radyo na nagpapatakbo ng mga popular na istasyon na AM at sa ganyang paraan aktibo sa merkado ng pagbabalita sa radyo, ang ABS-CBN Corporation (DZMM 630,24.9%) at GMA Network Incorporated (DZBB 594, 22.3%) pa rin ang angat bilang mga pangunahing istasyon.Kapansin-pansin, ang Philippine Broadcasting Service-Bureau of Broadcast Services (PBS-BBS) din, na pinatatakbo ng Presidential Communications Operations Office (PCOO), ay nakaaabot ng 22.3 porsyento ng mga tagapakinig sa pamamagitan ng DZRB 738 .Kasama ang ika-apat na pinakamalaking kumpanya, ang Manila Broadcasting Company (DZRH 666),naaabot nila ang 84.3 porsyento ng mga tagapakinig -- na katumbas ng mataas ng konsentrayon ng merkado ng pagbabalita sa radyo.Bukod sa gobyerno, ang mga Lopez (ABS-CBN), ang koneksyon na Duavit/Jimenez/Gozon, pati ang pamilya Elizalde(Manila Broadcasting Company), ay may pinangangatawanan sa merkado ng radyo.