We purchased our chairs from IKEA and were very impressed. The reviews really helped us choose and the price was good. We had them delivered to the office for our ease. There are office chairs also on other sites such as eBay and amazon also.
You can buy eames office chairs at Next Tag. Some can be found here. http://www.nextag.com/eames-office-chair/compare-html . Depending on what your looking for they will probably have it.
There are some Office Depot office chairs that use stain resistant fabric on them.
Some of the most affordable and low priced ergonomic office chairs are the Herman Miller brand office chairs.
Some of the ergonomic chairs are the same, but to get the one that will work best for you, check out this website www.consumersearch.com/office-chairs
You can get great desk chairs for your office at many national office retailers including, Staples, Office Depot, Ikea and Sears.
Kneeling chairs range from $100 to around $500. The quality may vary some by price and brand. You may find some at office stores like Office Depo.
To purchase some office chairs, you can go to staples.com or go to the nearest staples store and get good quality home office chairs for a grea price.
Some of the better ergonomic chairs include the Ergonomic Task Chair, The Gentry Therapeutic Office Seating Solution, and the Ergonomic Management Chair. These office chairs are some of the most purchased selections of ergonomic chairs available online at The Gentry Store online store.
You can buy office chairs at most office supply stores such as Office Max, Office Depot or Staples. Furniture stores would also have some leather chairs.
Chefsessel is a German company that offers high end office chairs. They offer all different types of office chairs, and even computer chairs for children. They have ergonomic chairs and stools also.
You can look at places like staples or Office Max. They usually hold some nice chairs and they can be ordered in any color.
A white office chair is not common but you should be able to find ones of any material from cloth to leather to plastic. This site has a lot of white office chairs: http://www.officechairsoutlet.com/White-Office-Chairs-s/216.htm