Join or Renew Your Membership Join NPA Select a Membership Level Free Trial Membership (Free) Regular 1 year ($75.00) Regular 2 years ($150.00) Concession 1 year ($53.00) Concession 2 years ($106.00) Partner (Free) Regular 1 year ($97.00) Regular 2 years ($194.00) Concession 1 year ($70.00) Concession 2 years ($140.00) Partner (Free) Regular annual (automatic renewal) ($97.00) Concession annual (automatic renewal) ($70.00) Institution - Annual ($325.00) Join NPA Already have an account? Login Next Forgot Your Username? Forgot Your Password?