GETWAB

02 / Market Size

How large is the PSC B528 federal market?

Net obligations$237.08M
Contract actions1,456
Vendors82
Federal customers37
Contracting offices54
Average action$162.8K
Largest action$4.34M
Data coverageFY 2019–FY 2025

03 / Spending Trend

PSC B528 contract spending by fiscal year

Annual obligations, activity, and participation across the same FY 2019–FY 2025 profile window.

Latest closed fiscal year$27.16M
FY 2025
Fiscal yearObligationsActionsVendorsCustomersChange
FY 2019$38.38M2143316
FY 2020$40.88M2533718+6.5%
FY 2021$35.17M2454123−14.0%
FY 2022$35.87M2383823+2.0%
FY 2023$33.90M2123417−5.5%
FY 2024$25.72M1473016−24.1%
FY 2025$27.16M1473819+5.6%

04 / Top Federal Customers

Which federal agencies buy most in this industry?

Ranked by net obligations during FY 2019–FY 2025.

Federal customerCodeObligationsActionsVendorsMarket share
CENTERS FOR MEDICARE AND MEDICAID SERVICES7530$97.56M1261241.1%
ENVIRONMENTAL PROTECTION AGENCY6800$80.49M9121334.0%
FOOD AND DRUG ADMINISTRATION7524$20.38M7968.6%
BUREAU OF LAND MANAGEMENT1422$7.87M433.3%
DEFENSE INFORMATION SYSTEMS AGENCY (DISA)97AK$6.87M2912.9%
TRANSPORTATION SECURITY ADMINISTRATION7013$5.63M1432.4%
DEFENSE MICROELECTRONICS ACTIVITY (DMEA)9771$5.19M1122.2%
U.S. COAST GUARD7008$3.22M4221.4%
DEPT OF THE NAVY1700$1.49M1760.6%
OFFICE OF PROCUREMENT OPERATIONS7001$1.22M2120.5%

05 / Contracting Offices

Which contracting offices buy in PSC B528?

Ranked by net obligations during FY 2019–FY 2025.

06 / Top Vendors

Which contractors lead the PSC B528 market?

VendorObligationsActionsCustomersMarket shareLatest activity
ICF INCORPORATED, L.L.C.$42.27M502517.8%Sep 26, 2025
DELOITTE CONSULTING LLP$32.51M26213.7%Jun 24, 2025
LEWIS & ELLIS, INC.$21.70M2019.2%Jul 9, 2025
RESEARCH TRIANGLE INSTITUTE$10.47M6324.4%Aug 5, 2025
SENSA SOLUTIONS, INC.$9.58M1414.0%Apr 21, 2025
CSRA LLC$9.43M7214.0%Nov 24, 2021
EASTERN RESEARCH GROUP, INC.$8.69M9823.7%Sep 26, 2025
CSRA LLC$8.47M4113.6%May 10, 2022
S C & A, INC.$8.35M7543.5%Sep 24, 2025
RICHARD H SWEETMAN IV$7.63M1113.2%Jul 9, 2025

07 / Industry Mix

What industries are purchased under PSC B528?

NAICSDescriptionObligationsActionsVendorsShare
541611ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES$101.47M3402842.8%
541620ENVIRONMENTAL CONSULTING SERVICES$88.67M9162337.4%
541690OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES$12.41M70125.2%
541211OFFICES OF CERTIFIED PUBLIC ACCOUNTANTS$10.97M1214.6%
541990ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES$6.99M1422.9%
541512COMPUTER SYSTEMS DESIGN SERVICES$6.87M2912.9%
541330ENGINEERING SERVICES$5.40M1542.3%
562998ALL OTHER MISCELLANEOUS WASTE MANAGEMENT SERVICES$1.48M1210.6%
541715RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)$783.2K110.3%
921120LEGISLATIVE BODIES$541.0K310.2%

08 / Buying Pattern

How does the government buy in PSC B528?

Competed86.3%1,257 actions
Not competed under SAP6.6%96 actions
Competed under SAP3.0%44 actions
Not available for competition2.4%35 actions
Not competed0.8%12 actions
Other / unknown0.8%12 actions
Other than small business share96.6%$229.03M
Small business share3.4%$8.04M
Common action typeObligationsActions
DELIVERY ORDER$166.97M764
DEFINITIVE CONTRACT$39.57M412
BPA CALL$23.69M231
PURCHASE ORDER$6.85M49

09 / Recent Contract Awards

What was awarded most recently in PSC B528?

10 / Market Interpretation

How should contractors evaluate this market?

01

Start with the spending direction

Compare annual obligations with actions and vendor participation. Growth driven by only a few large actions represents a different opportunity from broad, recurring demand.

02

Follow the actual buyers

Move from federal customers to contracting offices. Offices reveal where acquisition responsibility and recurring purchasing activity are concentrated.

03

Measure accessible demand

Use competition, small-business participation, incumbent vendors, and PSC mix before treating the full $237.08M market as addressable.