To be a US trust must meet both the control test and court test (jurisdiction).

You have to give up some "control" and trust that they know what they're doing, including doing things differently than what you would do.

Also the political anti landlord atmosphere is now out of control.   

But of those three large players I would choose them.

If you can't keep control of your personal finances, you are highly unlikely to succeed in real estate investing.

You can control the investments and be a fund manager for your IRA.Plans that offer checkbook control will be much better than hiring a 3rd party custodian to process transactions on your behalf.

You will never get the truth, and you really have no control of it happening again.Don't judge, just record so you may observe later if needed.

In Canada, you are going to have to look for value add opportunities in provinces that don't have rent control. 

If you don't have checkbook control of the IRA, those are probably the most important factors when choosing a custodian.

Risks with a condo rental are even less than a SFR as the condo association is controlling & insuring the common areas.