The Pennsylvania Rheumatology Society (PRS) is a professional 501(c)(3) organization comprised of Pennsylvania rheumatologists. PRS provides educational resources to both physicians and patients. The PRS accepts corporate membership from companies who are interested in reaching out to rheumatology specialists. If you are interested in corporate membership, please contact the PRS office at (717) 558-7750, ext. 1599. The PRS would like the thank the following corporate members: