Operation Serve International

Legal name: Osi Foundation Inc

Nonprofit profile at a glance

EIN
364841369
IRS 990-N coverage
2025–2025
Official website data refreshed
Sep 2026
Forms available
Form 990 2017, Form 990-N 2025
Location
Fairfield, OH, United States
Phone
513.939.2000
Rating confidence
Limited
Sector
Single Organization Support
Affiliation
Religious (unspecified)

Official website

What the e-Postcard reports

Notice states gross receipts normally $50,000 or less
Yes
Termination reported
No
Principal officer
SAMEH SADIK
Tax period began
2025-01-01 00:00:00
Tax period ended
2025-12-31 00:00:00
Filed website
Oasis University Inc.

Source: IRS Form 990-N, tax year 2025. These are filed notice facts, not independently verified current operations. The notice does not report exact revenue, expenses, assets, leadership compensation, or governance controls.

Overview

From its website

Operation Serve® International (OSI) is a non-profit, non-denominational 501(c)(3) humanitarian organization founded in 1983. OSI says its mission is to extend the Kingdom of God by serving the poor and needy and training indigenous pastors and leaders. The organization describes using multiple methods to change the world around it, including short-term Mercy Missions (one week to three months) and other approaches such as education/community development, indigenous leadership training, and Oasis Publishing.

IRS classification

Single Organization Support (NTEE X11).

Recorded affiliation

Religious (unspecified).

Filing

Its tax year 2025 Form 990-N states gross receipts are normally $50,000 or less. The notice does not report termination.

Other filing

A Form 990 for tax year 2017 is also available.

Coverage

Other list screening or federal responsibility records are incomplete in the available data.

Sources: Official website capture · IRS Business Master File · Affiliation evidence · IRS Form 990-N · IRS filing history · Grant-readiness source coverage

The verdict

- The available evidence is not sufficient to produce an overall rating for this filing. This is not a warning sign.

Rating breakdown

    Details

    • What they do: 1 programs and campaigns described on the official site · 2 operating locations identified
    • Postcard: tax year 2025 · gross receipts were within the e-Postcard filing limit
    • Contacts: How to reach this organization
    • Related organizations: Filed and resolved organization relationships.
    • Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
    • People: Everyone the filings name, and which of them the filings identify by more than a name.