Historical Studies Government Contracts

PSC B521 Service code

Code facts

Spend category
Professional Services Management Advisory Services
Contract obligations
$3,862,555 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
0 8 notices posted in the last 90 days
Contract awards
20 In the last 12 months
Obligated
$5,198,539 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 General Services Administration $3,380,243
2 Environmental Protection Agency $738,641
3 Department of Agriculture $620,589
4 Department of the Interior $491,455
5 Washington Headquarters Service Department of Defense $263,578
6 Office of the Secretary of Defense Department of Defense $172,000
7 Department of the Navy Department of Defense $135,401
8 Department of the Army Department of Defense $70,043
9 Department of State $6,200

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Downtown Business Improvement District Corp $3,380,243
2 DDC 4C, LLC $738,641
3 Techtrans International Inc. $263,578
4 ACR Consultants, Inc. $199,220
5 Catalyst Environmental Solutions Corporation $199,098
6 Western Properties $178,802
7 Holmes, Christopher D $172,000
8 Forensic Genealogy Services, LLC $129,000
9 ASM Affiliates Inc. $113,941
10 HHM & Associates, Inc. $99,722

Contract opportunities

No notices under PSC B521 are open now. These are the newest.

Notice Posted Due
WI-necedah NWR-historic context Award Notice · Fish and Wildlife Service —
USACE History Office (CEHO) Historical Support Services BPA Solicitation · Humphreys Engineer Center Support Activity (USACE)
IMRO THREATT FILLING STATION NHL Nomination Award Notice · Intermountain Region (NPS) · 140P1226Q0033 —
BLK-MBR-NEB Heritage IDIQ 2026-2031 Award Notice · Forest Service · 1284LL26Q0055 —
Service Preservation movement Historic Context Stu Award Notice · Southeast Region (NPS) —
Laguna DAM cultural assessment Award Notice · Bureau of Reclamation —
Historical Context Documentation Services Award Notice · Bureau of Reclamation —
Preservation movement context study SE Solicitation · Southeast Region (NPS)
Historical studies of properties owned by the US Government in Paris and Marseille, France Solicitation · US Embassy Paris (DOS)
Imro threatt filling station NHL nominat Solicitation · Intermountain Region (NPS)
BLK-MBR-NEB Heritage IDIQ 2026-2031 Solicitation · Forest Service · 1284LL26Q0055
IMRO THREATT FILLING STATION NHL Nomination Pre-Solicitation · Intermountain Region (NPS) · 140P1226Q0033
MPI Art Conservation Solicitation · Interior Business Center (DO)
Section 106 consult for hoover observation areas Award Notice · Bureau of Reclamation —
Recreation Residence Historical Evaluations, Idaho Panhandle NF Special Notice · Forest Service —
USACE Office of History (CEHO) Historical Support Services Pre-Solicitation · Humphreys Engineer Center Support Activity (USACE) · W912HQ26CEHOBPA
USACE Office of History (CEHO) Historical Support Services Pre-Solicitation · Humphreys Engineer Center Support Activity (USACE) · W912HQ26CEHOBPA2
B521 - Genealogy Research Services Solicitation · Naval Supply Systems Command (Navy)
Section 106 Consultation and Mitigation Award Notice · Bureau of Reclamation —
Preparation of National Park Service National Register of Historic Places Nomination 10-900 Form for the Sand Island Military Reservation located in Clatsop County, Oregon Solicitation · ENDIST Portland (USACE)
USACE Baker Bay CPHM Inventory and Digitization Special Notice · ENDIST Portland (USACE)
Navigability historian contract Solicitation · Bureau of Land Management · 140L6325Q0060
WIHO Historic Resource Study Award Notice · Midwest Region (NPS) —
WICA Sanson Ranch Oral History Project Award Notice · Midwest Region (NPS) —
Historic Resource Study, William Howard Taft NHS Solicitation · Midwest Region (NPS)
Oral History for Sanson Ranch, WICA Solicitation · Midwest Region (NPS)
Contextual history study for civilian conservation Solicitation · Southeast Region (NPS)
Navigability historian contract Award Notice · Bureau of Land Management · 140L6325Q0012 —
Office of Senate Curator Research and Analysis Request for Information Pre-Solicitation · United States Senate
Navigability historian contract Solicitation · Bureau of Land Management · 140L6325Q0012
Navigability historian contract Solicitation · Bureau of Land Management · 140L6325Q0007
Historic Resource Study, NPS - ULSG Solicitation · Midwest Region (NPS) · 140P6025Q0003
Historic Resource Study, NPS - ULSG Pre-Solicitation · Midwest Region (NPS) · 140P6025Q0003
DIGITIZATION for CEHO History documents Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Book - US Army in Afghanistan, 2015-2021 Award Notice · Department of the Army · W912CH-24-P-L036 —
Coos Bay North Jetty Cultural Mitigation Services Award Notice · ENDIST Portland (USACE) —
TAD History Exhibit Design Project for CEHO Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Recreation content, lecl Award Notice · Midwest Region (NPS) —
MWRO NHL Update - Pierre Menard House Award Notice · Midwest Region (NPS) —
Notice of the government’s intent to issue a sole source award contract to columbia university for oral history support services Special Notice · Washington Headquarters Service
Pete DOE for HH bldgs and stewart houses Award Notice · Northeast Region (NPS) —
Bost - AE services building 32 historical structur Award Notice · Northeast Region (NPS) —
Oral history interviews-vick Solicitation · Southeast Region (NPS)
Afcs structures historic context Solicitation · Bureau of Land Management
Book - US Army in Afghanistan, 2015-2021 Solicitation · Department of the Army · W912CH-24-R-L012
MORU Administrative History Award Notice · Midwest Region (NPS) —
PETE - Paint Sampling, Analysis, and Reporting Ser Solicitation · Northeast Region (NPS)
Show 37 more

Latest 47 of 313 listed here. See the rest on GovTribe.

Recent contract awards

Award Awarded Obligated
Downtown bid public environmental services 47PF5126C0005 · Downtown Business Improvement District Corp · Public Buildings Service $2,289,840
Completion of existing landscape INV 140P5226P0057 · DHM Design Corporation · Southeast Region (NPS) $66,808
WI-necedah NWR-historic context and nrhp evaluation 140FS226F0153 · Gulf South Research Corp · Fish and Wildlife Service $26,407
CON psicc cultural resource surveys & architectural historian assessments 1240LP26F0053 · ERO Resources Corporation · Forest Service $15,569
Services to conduct a class III survey (as defined in section C.6 of the IDIQ performance work statement) on the… 1284LL26F0109 · Barron LLC · Forest Service $27,900
Heritage cultural resources IDIQ task order 1284LL26F0099 · ACR Consultants, Inc. · Forest Service $50,100
EO 14398; threatt filling station national historic landmark program nomination 140P1226P0044 · Collaborating Techs LLC · Intermountain Region (NPS) $55,610
EO 14398, service preservation movement historic context study, southeastern regional office, sero 140P5126P0074 · HHM & Associates, Inc. · Southeast Region (NPS) $99,722
Historical context documentation services 140R2026F0041 · Oneida Environmental, LLC · Bureau of Reclamation $90,156
Laguna DAM cultural assessment 140R3026F0061 · ASM Affiliates Inc. · Bureau of Reclamation $113,941

Latest 10 of 20 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $5,823,541
FY2025 $3,862,555
FY2024 $7,174,454
FY2023 $11,518,228
Rank NAICS code Obligated, FY2026–FY2027 Share
1 561990 All Other Support Services $3,380,243
2 541620 Environmental Consulting Services $1,030,571
3 541990 All Other Professional, Scientific, and Technical Services $528,115
4 115310 Support Activities for Forestry $377,900
5 541720 Research and Development in the Social Sciences and Humanities $209,744
6 541690 Other Scientific and Technical Consulting Services $155,332
7 541320 Landscape Architectural Services $66,808
8 712120 Historical Sites $48,073
9 712110 Museums $26,754

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 District of Columbia $3,386,443
2 California $349,560
3 Wyoming $227,120
4 Idaho $178,802
5 Virginia $172,000
6 Texas $129,000
7 Kansas $113,639
8 Georgia $99,722
9 Alabama $66,804
10 Oklahoma $55,610
11 Washington $54,474
12 Nevada $46,833
13 Wisconsin $26,407
14 Oregon $21,970
15 Colorado $15,569
Show all 15

Shares are of everything obligated under PSC B521 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC B521?

PSC B521 is Historical Studies, a service code in PSC B, Special Studies/Analysis, Not R&D.

How many government contracts for historical studies are there?

8 notices under PSC B521 were posted in the last 90 days, and none are open now. Federal agencies awarded 20 contracts under PSC B521 in the last 12 months, obligating $5,198,539.

How much do federal agencies spend under PSC B521?

Federal contracts under PSC B521 obligated $3,862,555 in fiscal year 2025 and $28,378,778 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC B521?

The contractors with the most obligated under PSC B521 in fiscal years 2026 and 2027 are Downtown Business Improvement District Corp ($3,380,243); DDC 4C, LLC ($738,641); and Techtrans International Inc. ($263,578).

Which agencies buy the most under PSC B521?

The agencies that obligated the most under PSC B521 in fiscal years 2026 and 2027 are General Services Administration ($3,380,243), Environmental Protection Agency ($738,641) and Department of Agriculture ($620,589).

Which NAICS codes are used with PSC B521?

The NAICS codes with the most obligated under PSC B521 in fiscal years 2026 and 2027 are 561990 All Other Support Services; 541620 Environmental Consulting Services; and 541990 All Other Professional, Scientific, and Technical Services.

Where is the work under PSC B521 performed?

By place of performance, the states with the most contract obligations under PSC B521 over the last 12 months are the District of Columbia ($3,386,443), California ($349,560) and Wyoming ($227,120).

What is the latest contract opportunity under PSC B521?

The latest contract opportunity under PSC B521 is WI-necedah NWR-historic context, award notice from Fish and Wildlife Service, posted September 24, 2026.

On GovTribe

See everything under PSC B521

  • Federal contract opportunities, awards and IDVs under this code
  • Funding analysis by contractor, agency and set-aside
  • Contacts who buy under this code
  • Ask GovTribe AI about this code
Try for free Login