Independence Seaport Museum is a 501(c)(3) nonprofit organization, Federal Tax ID #23-1584971. Official registration and financial information may be obtained from the PA Department of State by calling toll-free, within Pennsylvania, 1-800-732-0999. Registration does not imply endorsement.

ISM Form 990 and 990-T 2018
Audited Financial Statements 2018 
ISM Form 990 2017 stub year
ISM Form 990 2016
ISM Form 990 2015