This gets asked all the time. You're not going to find a program that says "we do not accept DO graduates" on their website or on their FREIDA page. But the vast majority of programs (perhaps with the exception of the very top rated programs - UCSF, Hopkins, Columbia, Duke, etc) interview, rank and match DOs.
The best way to find DO friendly programs is to look at the match lists of your school (the Dean's office should give it to you) or the publicly posted lists on the websites of other DO schools (some will post it, others will not).
You can also look at the websites of programs you're interested in and see if they have DOs on their current house staff rosters. Again, you won't find this for every program but will for most.
Finally, you probably don't realize this yet, but applying to residency programs is dirt cheap compared to what you're used to. You can apply to 100 programs for ~$1200 (I'm too lazy to do the math myself but it's a graduated fee schedule based on the number of programs you apply to). So just barf your application out there to every program you're interested in and see what happens.