PSC B528: Regulatory Studies
Service code
Code facts
- Spend category
- Professional Services Management Advisory Services
- Part of
-
-
B
- B5
-
B
- Contract awards
- 13 In the last 12 months
- Contract obligations
- $27,158,468 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $40,091,659 |
| FY2025 | $27,158,468 |
| FY2024 | $25,723,552 |
| FY2023 | $33,903,778 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Deloitte Consulting LLP | $27,660,986 | |
| 2 | Lewis & Ellis, LLC | $3,877,385 | |
| 3 | Sensa Solutions, Inc. | $1,385,564 | |
| 4 | Richard H Sweetman IV | $1,196,696 | |
| 5 | Bolton Health Actuarial, Inc. | $1,123,108 | |
| 6 | Susquehanna Actuarial Consulting, Inc. | $1,093,091 | |
| 7 | Actuarial Research Corporation | $974,689 | |
| 8 | Riverside Engineering LLC | $900,878 | |
| 9 | Starlo Innovation, LLC | $786,321 | |
| 10 | Novarest Inc. | $650,738 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Health and Human Services | $38,563,061 | |
| 2 | Defense Information Systems Agency | $1,303,672 | |
| 3 | Department of Homeland Security | $631,643 | |
| 4 | Department of Labor | $544,874 | |
| 5 | Department of Agriculture | $499,508 | |
| 6 | Department of the Navy | $279,740 | |
| 7 | Defense Microelectronics Activity | $192,718 | |
| 8 | Nuclear Regulatory Commission | $109,557 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541990 All Other Professional, Scientific, and Technical Services | $23,262,256 | |
| 2 | 541611 Administrative Management and General Management Consulting Services | $15,200,470 | |
| 3 | 541512 Computer Systems Design Services | $1,303,672 | |
| 4 | 541690 Other Scientific and Technical Consulting Services | $1,229,649 | |
| 5 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $786,321 | |
| 6 | 562998 All Other Miscellaneous Waste Management Services | $279,740 |
Contract obligations by state
Contract opportunities
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Quick answers
What is PSC B528?
PSC B528 is Regulatory Studies, a service code in PSC B, Special Studies/
How much do federal agencies spend under PSC B528?
Federal contracts under PSC B528 obligated $27,158,468 in fiscal year 2025 and $126,877,457 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC B528?
The contractors with the most obligated under PSC B528 in fiscal years 2026 and 2027 are Deloitte Consulting LLP ($27,660,986); Lewis & Ellis, LLC ($3,877,385); and Sensa Solutions, Inc. ($1,385,564).
Which agencies buy the most under PSC B528?
The agencies that obligated the most under PSC B528 in fiscal years 2026 and 2027 are Department of Health and Human Services ($38,563,061), Defense Information Systems Agency ($1,303,672) and Department of Homeland Security ($631,643).
Which NAICS codes are used with PSC B528?
The NAICS codes with the most obligated under PSC B528 in fiscal years 2026 and 2027 are 541990 All Other Professional, Scientific, and Technical Services; 541611 Administrative Management and General Management Consulting Services; and 541512 Computer Systems Design Services.
Where is the work under PSC B528 performed?
By place of performance, the states with the most contract obligations under PSC B528 over the last 12 months are Maryland ($36,956,981), Virginia ($3,901,473) and Iowa ($499,508).
What is the latest contract opportunity under PSC B528?
The latest contract opportunity under PSC B528 is Third-Party Review of the USDA's Center for Veterinary Biologics (CVB) Authorities, Regulations, and Guidance Documents, solicitation from Marketing and Regulatory Programs Business Services (APHIS), posted May 2, 2026.
On GovTribe
See everything under PSC B528
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- Funding analysis by contractor, agency and set-aside
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