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PSC code

SPECIAL STUDIES/ANALYSIS- HISTORICAL

PSC code
B521
Latest action
Sep 22, 2026
Median award value
Not published

Fewer than the minimum comparable awards under this PSC code.

Awards
271
Contractors
22

Largest awards under this code

AwardContractorAgencyPlaceFirst actionCurrent value
47PM0822C0006

BUSINESS IMPROVEMENT DISTRICT CONTRACT FOR DOWNTOWN

DOWNTOWN BUSINESS IMPROVEMENT DISTRICT CORPGeneral Services AdministrationDCJul 6, 2022$9,271,921
68HE0726F0010

R7, SEMD: HISTORIC RESOURCE BACKGROUND STUDIES AND PHASE SURVEYS AT MULTIPLE SUPERFUND SITES

DDC 4C, LLCEnvironmental Protection AgencyKSOct 17, 2025$1,860,975
70B01C23F00001196

ENVIRONMENTAL SITE MONITORING

NORTHLAND RESEARCH, INCDepartment of Homeland SecurityAZSep 19, 2023$876,592
HQ003425CE060

RECORD-BASED RESEARCH AND INFORMATION RETRIEVAL SUPPORT SERVICES

TECHTRANS INTERNATIONAL INCDepartment of Defense—Apr 16, 2026$541,733
1240BG26F0022

INVENTORY-AUBREY MOUNTAIN KITSON RIDGE HERITAGE

CATALYST ENVIRONMENTAL SOLUTIONS CORPORATIONDepartment of AgricultureCAJun 25, 2026$199,098
W912HQ22F0244

MILITARY CONSTRUCTION - BASE TASK

HISTORICAL RESEARCH ASSOCIATES, INC.Department of DefenseMTSep 30, 2022$181,996
1284LL26F0039

RECREATION RESIDENCES HISTORICAL CULTURAL SURVEY, IDAHO PANHANDLE NATIONAL FORESTS

WESTERN PROPERTIESDepartment of AgricultureIDMay 28, 2026$178,802
1284LL26F0052

HERITAGE SURVEYS, MEDICINE BOW-ROUTT NATIONAL FORESTS.

ACR CONSULTANTS, INC.Department of AgricultureWYJun 10, 2026$149,120
140P6022P0019

SERVICE, HISTORIC RESOURCE STUDY, INDU

HISTORICAL RESEARCH ASSOCIATES, INC.Department of the InteriorMTJul 14, 2026$124,238
140R3026F0061

LAGUNA DAM CULTURAL ASSESSMENT

ASM AFFILIATES INCDepartment of the InteriorCAJul 17, 2026$102,653
140P5126P0074

EO 14398, SERVICE PRESERVATION MOVEMENT HISTORIC CONTEXT STUDY, SOUTHEASTERN REGIONAL OFFICE, SERO

HHM & ASSOCIATES, INC.Department of the InteriorGAAug 18, 2026$99,722
140P5221P0136

POP EXTENSION

OUTSIDE BOX LLCDepartment of the InteriorVAMar 4, 2026$98,653
140R2026F0041

HISTORICAL CONTEXT DOCUMENTATION SERVICES

ONEIDA ENVIRONMENTAL, LLCDepartment of the InteriorCAJul 14, 2026$90,156
12444625F0035

FEASIBILITY AND FUTURE-USE PLAN FOR THE J.W. TOUMEY HISTORIC DISTRICT BUILDINGS IN WATERSMEET, MICHIGAN - MODIFICATION TO EXTEND CONTRACT DUE TO THE GOVERNMENT SHUTDOWN AND WEATHER DELAYS

TRIVERS ASSOCIATES, INC.Department of AgricultureMIApr 1, 2026$79,198
1284LL26F0099

HERITAGE CULTURAL RESOURCES IDIQ TASK ORDER 01-2026-FY26 SANDY BATTLE HERITAGE SURVEY

ACR CONSULTANTS, INC.Department of AgricultureWYAug 28, 2026$50,100
0080

CULTURAL RESOURCES RELATED SERVICES

FAR WESTERN ANTHROPOLOGICAL RESEARCH GROUP, INC.Department of DefenseCAAug 10, 2012$42,912
140R3026F0032

SECTION 106 CONSULT FOR HOOVER OBSERVATION AREAS

BROADBENT & ASSOCIATES, INC.Department of the InteriorNVMay 20, 2026$35,050
1284LL26F0109

SERVICES TO CONDUCT A CLASS III SURVEY (AS DEFINED IN SECTION C.6 OF THE IDIQ PERFORMANCE WORK STATEMENT) ON THE PARKS RANGER DISTRICT, MEDICINE BOW, ROUTT NATIONAL FORESTS, THUNDER BASIN NATIONAL GRASSLAND.

BARRON LLCDepartment of AgricultureWYSep 14, 2026$27,900
140P5225P0038

CONTEXTUAL HISTORY STUDY FOR CIVILIAN CONSERVATION CORPS AT VICKSBURG NATIONAL MILITARY PARK

MANUTEK INCDepartment of the InteriorMSJun 2, 2025$19,995
140D0426P0184

EO 14398 - AT THE MUSEUM OF THE PLAINS INDIAN, STABILIZE, CONSERVE, AND PRESERVE THE HISTORIC WOOD MURAL IN ACCORDANCE WITH PROFESSIONAL CONSERVATION STANDARDS AND THE MUSEUM'S DUTY TO MAINTAIN COLLECTIONS AS REQUIRED UNDER FEDERAL CULTURAL PROP

FREER WATERS LLCDepartment of the InteriorMTJun 23, 2026$14,153
70FBR918P00000099

DEOBLIGATION OF EXCESS FUNDING.

CALIFORNIA DEPARTMENT OF PARKS & RECREATIONDepartment of Homeland SecurityCAJul 21, 2026$11,366
19AQMM26P0521

NMAD MOUNT MAKER HST EXHIBIT HALL

CURAE COLLECTIONS CARE LLCDepartment of StateDCMay 4, 2026$6,200
1284LL26D0006

BKF_MBTB_NNF CULTURAL RESOURCES IDIQ

PROJECT SOLUTIONS, INC.Department of Agriculture—Aug 18, 2026—
1284LL26D0004

BKF_MBTB_NNF CULTURAL RESOURCES IDIQ

BARRON LLCDepartment of Agriculture—Aug 18, 2026—
68HE0726D0002

R7, SEMD: HISTORIC RESOURCE BACKGROUND STUDIES AND PHASE SURVEYS AT MULTIPLE SUPERFUND SITES

DDC 4C, LLCEnvironmental Protection Agency—Oct 17, 2025—

Related records

Derived from awards these records share, ordered by how many.

Sources and method

Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.

Totals cover awards where the government recorded this PSC code. Codes are taken as reported; awards are never reclassified into a different code.

  1. 1Awards are grouped by the PSC code the government recorded on the award, taken from USAspending.gov and last refreshed Sep 24, 2026. Miscoded awards stay miscoded here; we do not reassign codes.
PSC B521 — SPECIAL STUDIES/ANALYSIS- HISTORICAL federal contracts · BidBenchmark