Federal Procurement Rankings and Market Concentration
Leaderboards tracking the largest recipients of federal public funds, supplier concentration across government institutions, and market competitiveness measured by the Herfindahl-Hirschman Index (HHI).
Disclosure note: Contract values represent total award commitments (original award plus amendments), not amounts actually paid. The government does not disclose actual spend per contract.
Top Federal Contractors by Disclosed Value
Cumulative awards across all departmentsDepartment Supplier Concentration (HHI Leaderboard)
Herfindahl-Hirschman Index| Rank | Department / Institution | Reference FY | HHI Score | Concentration Level | Top 1 Vendor Share | Top 5 Vendor Share | Profile |
|---|---|---|---|---|---|---|---|
| #1 | Accessibility Standards Canada | 2025-26 | 1294 | Unconcentrated | 27.2% | 69.5% | View Department → |
Under antitrust and procurement guidelines, an HHI below 1,500 indicates an unconcentrated market, between 1,500 and 2,500 indicates moderate concentration, and above 2,500 indicates high supplier concentration.