Federal contractor · ROCHESTER, MI
O'CALLAGHAN, ERIN M
O'CALLAGHAN, ERIN M received -$8,961 in federal contract obligations in FY2026, on 1 awards. Since FY2017: $97.2K. Its largest customer was Offices, Boards and Divisions (-$8,961).
- Obligations · FY2026
- -$8,961
- New awards
- 1
- Sole-source
- —
- Single offer
- —
- UEI
- D2XMMJ1Z9AK4
Other than small business
Spending by fiscal year
Obligations per federal fiscal year (October–September).
- 40.5KFY2017
- 26.6KFY2018
- 20KFY2019
- 7.8KFY2020
- 11.4KFY2024
- 0FY2025
- -9KFY2026
Top buying agencies
Obligations in FY2026.
- Offices, Boards and Divisions-$8,9610.0%1 awards
What was bought · Where the work was performed
Obligations in FY2026.
What was bought
Where the work was performed
Integrity signals
Shares of the year's obligations, next to the country's.
Largest awards
- EXPERT WITNESS SERVICES$2,390Offices, Boards and Divisions· Oakland County, MI· Professional services· Apr 25, 2024 – Jul 13, 2026· 15JA3924P00000067
Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 6, 2026, loaded Oct 6, 2026.