Question 1

Is Mainframe Studios a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Mainframe Studios is recognised by the IRS as a 501(c)(3) organisation (EIN 46-1637111). The IRS recognised Mainframe Studios as tax-exempt in July 2014.

Question 2

What is Mainframe Studios's EIN?

Accepted Answer

Mainframe Studios's Employer Identification Number (EIN) is 46-1637111. The EIN was assigned by the IRS in July 2014. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Mainframe Studios do?

Accepted Answer

Mainframe Studios provides affordable arts workspace and fosters creative communities in central Iowa.

Question 4

Where is Mainframe Studios located?

Accepted Answer

Mainframe Studios is located at 900 Keosauqua Way, Des Moines, IA, 50309.

Question 5

When was Mainframe Studios founded or recognised by the IRS?

Accepted Answer

Mainframe Studios was recognised by the IRS as a tax-exempt organisation in July 2014. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Mainframe Studios's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Mainframe Studios reported $1.8M in total revenue and $2.1M in total expenses.

Question 7

Has Mainframe Studios been auto-revoked by the IRS?

Accepted Answer

No — Mainframe Studios (EIN 46-1637111) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Mainframe Studios listed in IRS Publication 78?

Accepted Answer

Yes — Mainframe Studios is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Mainframe Studios

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