About the Certification Commission
STC Certification Commission
c/o 9401 Lee Highway, Suite 300
Fairfax, VA 22031
The STC Certification Commission is an independent organization incorporated in the Commonwealth of Virginia, USA, under Section 501c(6) of the U.S. Internal Revenue Code. It offers the CPTCTM and CPTWTM credentials as an impartial, third-party organization.