Largest Federal Contractors in Pennsylvania 2026
Pennsylvania has 72 federal contractors that received $12.7B across 876 contract awards. The largest contractor is Amerisourcebergen Drug Corp. at $2.4B.
Top 10 Contractors in Pennsylvania
| # | Contractor | Federal Obligations |
|---|---|---|
| 1 | Amerisourcebergen Drug Corp. | $2.4B |
| 2 | Optum Public Sector Solutions, Inc. | $145.0M |
| 3 | Lockheed Martin Corporation | $121.1M |
| 4 | Mckesson Corporation | $64.8M |
| 5 | The Boeing Company | $61.9M |
| 6 | Electric Boat Corporation | $61.8M |
| 7 | Triwest Healthcare Alliance Corp. | $60.4M |
| 8 | Humana Government Business Inc. | $57.8M |
| 9 | Raytheon Company | $55.8M |
| 10 | Huntington Ingalls Incorporated | $53.6M |
Top Federal Agencies Spending in Pennsylvania
| Agency | Spending |
|---|---|
| Department of Defense | $7.0B |
| Department of Health and Human Services | $1.9B |
| Department of Veterans Affairs | $1.0B |
| Department of Energy | $762.6M |
| General Services Administration | $508.4M |
Federal contract data for Pennsylvania is sourced from USASpending.gov, the official open data source for U.S. federal government spending.
Frequently Asked Questions
Amerisourcebergen Drug Corp. is the largest federal contractor in Pennsylvania with $2.4B in federal obligations.
Pennsylvania received $12.7B in federal contracts across 876 awards to 72 contractors.
All federal spending data is sourced from USASpending.gov, the official source for U.S. government spending data. This includes contracts, grants, loans, and other financial assistance.
Contractors ranked by total federal obligation amount. Data includes contracts, grants, loans, and direct payments.
The this entity category groups every U.S. federal government spending entity sharing this attribute. The list above is the data; the paragraphs below explain what the grouping means against the broader USASpending.gov federal awards data distribution and how to read the relative rankings within the category.
For readers using this category as a starting point, the per-entity detail pages linked from the table above carry the underlying USASpending.gov federal awards data data in full. The category-level view is the filter; the per-entity pages are the actual answer.
Source: USAspending.gov, 2026.