Trustworthy Broker within the US

Hi I’m looking for a good, reliable, trustworthy broker that is regulated by the US for someone living in the US. From all my reading on here, it looks like I don’t want a market maker, yet Oanda and Forex.com–which people have said good things about–are both market makers. And from my other research it looks like there are only two other brokers—TD Ameritrade and Interactive Brokers. IB requires $10k to start but otherwise seems respectable and regarding TD Ameritrade, I find very little about them, so I have no idea. Of these four which are the best two? And am I missing any others that are worthy? Thanks!

Think you got it when you first said Oanda and Forex.com.
Forex.com is a sponsor here, so that may be helpful?

Hmmmm… Got it.