Federal contractor · ANN ARBOR, MI
CALLAGHAN BRIAN C
CALLAGHAN BRIAN C received $39.5K in federal contract obligations in FY2026, on 37 awards (−73% vs FY2025). Since FY2018: $996.9K. Its largest customer was Health Resources and Services Administration ($47.9K).
- Obligations · FY2026
- $39.5K
- New awards
- 37
- Sole-source
- 0.0%
- Single offer
- 95%
- UEI
- T1REMJ7MJ475
Spending by fiscal year
Obligations per federal fiscal year (October–September).
- 9.6KFY2018
- 39.6KFY2019
- 114.3KFY2020
- 204.1KFY2021
- 140.4KFY2022
- 194.5KFY2023
- 108.3KFY2024
- 146.6KFY2025
- 39.5KFY2026
Top buying agencies
Obligations in FY2026.
- 36 awards
- Offices, Boards and Divisions-$8,4380.0%1 awards
What was bought · Where the work was performed
Obligations in FY2026.
What was bought
- Professional services$39.5K100%
Where the work was performed
- Washtenaw County, MI$39.5K100%
Integrity signals
Shares of the year's obligations, next to the country's.
- Low competition74%US 39% · $29.1K
- Sole-source awards0.0%US 30% · -$8,438
- Single-offer competitions95%US 8.7% · $37.5K
- Urgency justifications0.0%US 5.1% · $0
A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.
Largest awards
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Aug 25, 2026 – Aug 25, 2026· 75R60226F34002
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Aug 11, 2026 – Aug 11, 2026· 75R60226F34001
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Feb 25, 2026 – Feb 25, 2026· 75R60226F34079
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Sep 21, 2021 – May 28, 2026· 75R60221F34019
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Aug 10, 2023 – Jun 10, 2026· 75R60223F34036
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Mar 31, 2023 – Jun 10, 2026· 75R60223F34025
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Jan 25, 2022 – May 19, 2026· 75R60222F34025
- Health Resources and Services Administration· Washtenaw County, MI· Professional services· Jun 8, 2022 – Jun 12, 2026· 75R60222F34041
Competitors
Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.
Compared on 1 market (agency × industry), FY2024–FY2026.
- CAROLYN REIMANN$252.5K−49% in FY2026CABIN JOHN, MD · 86% of this company's obligations are in markets they both serveHealth Resources and Services Administration · Management, scientific, and technical consulting services
- GABAGLIA CLAUDIA$365.1K−11% in FY2026SAN DIEGO, CA · 100% of this company's obligations are in markets they both serveHealth Resources and Services Administration · Management, scientific, and technical consulting services
- SISK, NASRIN H$369.2K+22% in FY2026NAPLES, FL · 100% of this company's obligations are in markets they both serveHealth Resources and Services Administration · Management, scientific, and technical consulting services
Showing the top 3 of 25 competitors. Open the profile for the full list.
Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.
Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 10, 2026, loaded Oct 10, 2026 · FY2024–FY2026.
Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 10, 2026, loaded Oct 10, 2026.