What are reliable options for obtaining an 'in Thailand' DTV application service?

The inquiry seeks first-hand recommendations for a reputable company providing 'in Thailand' DTV application services. Various community comments discuss experiences with different banks, with some expats noting that certain banks, like Bangkok Bank and KBank, have specific protocols for account verification tied to visa applications. Users express frustrations and share insights about the legitimacy of services and the necessity of handling matters at specific branches, indicating that experiences can vary widely depending on the bank.