I would love to fight the property tax valuations for this year but I have too many properties...

http://www.thomsonreuters.com/
From the mainpage, select "Tax & Accounting"
They handle all of the appeals at my properties.

Here's another option:
http://www.mfpoer.com/
I've used them before with excellent results.

I'm in the property tax appraisal line of work. Give me a call and let me know your property types and I can do some research on finding a company in your area.
Derrick 214-680-9042

Kelley if you are looking to reduce expenses by fighting property evaluations you may as well look into a good company that will work with you to reduce all your major expenditures i.e. property taxes, utilities and insurance. You may be eligible for various credits also. You're rght, they are paid out of savings, so its virtually no out of pocket costs. Call me, I'll be glad to to talk with you.
Wendell 804-437-2944

I am the owner of paramount Property tax adjusters please give me a call. 858-225-1200

I've got a good one for Florida if you are still looking
http://www.gregorygarver.com