What are your methods to remove pet odors?

[William Avery]

I have a property where one bedroom was used as a 'kennel' or pet 'outhouse'. I am having trouble getting rid of the smells.

Concrete floor. Carpet is gone. Tack strip is gone. All solid matter has been removed. Bleached entire area. Cleaned concrete with diamond bit floor maintainer. Sprayed entire area with pine sol. Sprayed entire area with white vinegar. Sprayed entire area with odo-ban. I have painted walls, ceilings, doors and trim.

And lastly, I have painted the concrete with two coats of paint.

Smell is much better but still present. My best guess is that the base plates on the walls are the problem now.

All suggestions are welcome.