Who oversees credit bureaus in Canada (ie, Equifax)

Although I’m pretty sure there’s only the two credit bureaus in Canada - Equifax and Trans Union Canada… anyhow.

I’m getting very annoyed with Equifax (see this thread for details), and I’m having problems finding out exactly what their status is. I’m assuming that they’re federally regulated, but I’m not sure about even that. (Most businesses have treated me nicely, so I haven’t had to find out how to complain yet :()

Do they have to report to a minister or something? Equifax doesn’t give out reports for free in the states, so I’m assuming they’re required to here. Who says they have to? What’s the deal?