Mission
TO PROMOTE NONPARTISAN CIVIC ENGAGEMENT AND EDUCATION IN MAINE BY CREATING AND DISTRIBUTING DIGITAL CONTENT THAT INFORMS, CONNECTS, AND ENGAGES RESIDENTS ON PUBLIC ISSUES.
MAINFRAME, of PORTLAND, ME, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $1.1M in revenue, $753K in expenses, $384K in total assets.
TO PROMOTE NONPARTISAN CIVIC ENGAGEMENT AND EDUCATION IN MAINE BY CREATING AND DISTRIBUTING DIGITAL CONTENT THAT INFORMS, CONNECTS, AND ENGAGES RESIDENTS ON PUBLIC ISSUES.
How Mainframe divides every $100 it spends, from its own Form 990 filings.
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $1.1M | $753K | $384K |
Interactive year-over-year charts and full filing details available with membership.