PSC code
SPECIAL STUDIES/ANALYSIS- HISTORICAL
- PSC code
- B521
- Latest action
- Sep 29, 2026
Fewer than the minimum comparable awards under this PSC code.
Largest awards under this code
| Award | Contractor | Agency | Place | First action | Current value |
|---|---|---|---|---|---|
| 47PM0822C0006 BUSINESS IMPROVEMENT DISTRICT CONTRACT FOR DOWNTOWN | DOWNTOWN BUSINESS IMPROVEMENT DISTRICT CORP | General Services Administration | DC | Jul 6, 2022 | $9,271,921 |
| 47PF5126C0005 DOWNTOWN BID PUBLIC ENVIRONMENTAL SERVICES | DOWNTOWN BUSINESS IMPROVEMENT DISTRICT CORP | General Services Administration | DC | Sep 29, 2026 | $2,289,840 |
| 68HE0726F0010 R7, SEMD: HISTORIC RESOURCE BACKGROUND STUDIES AND PHASE SURVEYS AT MULTIPLE SUPERFUND SITES | DDC 4C, LLC | Environmental Protection Agency | KS | Oct 17, 2025 | $1,860,975 |
| 70B01C23F00001196 ENVIRONMENTAL SITE MONITORING | NORTHLAND RESEARCH, INC | Department of Homeland Security | AZ | Sep 19, 2023 | $876,592 |
| HQ003425CE060 RECORD-BASED RESEARCH AND INFORMATION RETRIEVAL SUPPORT SERVICES | TECHTRANS INTERNATIONAL INC | Department of Defense | — | Apr 16, 2026 | $541,733 |
| 1240BG26F0022 INVENTORY-AUBREY MOUNTAIN KITSON RIDGE HERITAGE | CATALYST ENVIRONMENTAL SOLUTIONS CORPORATION | Department of Agriculture | CA | Jun 25, 2026 | $199,098 |
| W912HQ22F0244 MILITARY CONSTRUCTION - BASE TASK | HISTORICAL RESEARCH ASSOCIATES, INC. | Department of Defense | MT | Sep 30, 2022 | $181,996 |
| 1284LL26F0039 RECREATION RESIDENCES HISTORICAL CULTURAL SURVEY, IDAHO PANHANDLE NATIONAL FORESTS | WESTERN PROPERTIES | Department of Agriculture | ID | May 28, 2026 | $178,802 |
| 1284LL26F0052 HERITAGE SURVEYS, MEDICINE BOW-ROUTT NATIONAL FORESTS. | ACR CONSULTANTS, INC. | Department of Agriculture | WY | Jun 10, 2026 | $149,120 |
| 140L6320P0015 NAVIGABILITY HISTORIAN | PALEOWEST LLC | Department of the Interior | AK | Aug 10, 2020 | $148,162 |
| 140P6022P0019 SERVICE, HISTORIC RESOURCE STUDY, INDU | HISTORICAL RESEARCH ASSOCIATES, INC. | Department of the Interior | MT | Jul 14, 2026 | $124,238 |
| 140R3026F0061 LAGUNA DAM CULTURAL ASSESSMENT | ASM AFFILIATES INC | Department of the Interior | CA | Jul 17, 2026 | $102,653 |
| HSFE0917P0051 IGF::OT::IGF PROVIDE FEMA A MEANS OF GATHERING NECESSARY DOCUMENTATION AND RESEARCH REQUIREMENTS IN ORDER BUILD COMPLETE CONSULTATION PACKAGES IN SUPPORT OF THE PUBLIC ASSISTANCE (PA) DISASTER RECOVERY EFFORT UNDER DR-4308-CA. THIS DATA WILL BE PROVIDED BY THE CA STATE HISTORIC PRESERVATION OFFICE (SHPO) USING THE CALIFORNIA HISTORIC RESOURCES INFORMATION SYSTEM (CHRIS). | CALIFORNIA DEPARTMENT OF PARKS & RECREATION | Department of Homeland Security | CA | Jul 17, 2017 | $100,000 |
| 140P5126P0074 EO 14398, SERVICE PRESERVATION MOVEMENT HISTORIC CONTEXT STUDY, SOUTHEASTERN REGIONAL OFFICE, SERO | HHM & ASSOCIATES, INC. | Department of the Interior | GA | Aug 18, 2026 | $99,722 |
| 140P5221P0136 POP EXTENSION | OUTSIDE BOX LLC | Department of the Interior | VA | Mar 4, 2026 | $98,653 |
| 140R2026F0041 HISTORICAL CONTEXT DOCUMENTATION SERVICES | ONEIDA ENVIRONMENTAL, LLC | Department of the Interior | CA | Jul 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 Agriculture | MI | Apr 1, 2026 | $79,198 |
| 140P5226P0057 COMPLETION OF EXISTING LANDSCAPE INV | DHM DESIGN CORPORATION | Department of the Interior | AL | Sep 26, 2026 | $66,808 |
| 1284LL26F0099 HERITAGE CULTURAL RESOURCES IDIQ TASK ORDER 01-2026-FY26 SANDY BATTLE HERITAGE SURVEY | ACR CONSULTANTS, INC. | Department of Agriculture | WY | Aug 28, 2026 | $50,100 |
| 0080 CULTURAL RESOURCES RELATED SERVICES | FAR WESTERN ANTHROPOLOGICAL RESEARCH GROUP, INC. | Department of Defense | CA | Aug 10, 2012 | $42,912 |
| 140R3026F0032 SECTION 106 CONSULT FOR HOOVER OBSERVATION AREAS | BROADBENT & ASSOCIATES, INC. | Department of the Interior | NV | May 20, 2026 | $35,050 |
| W9127N24P0131 COOS BAY NORTH JETTY CULTURAL MITIGATION | HISTORICAL RESEARCH ASSOCIATES, INC. | Department of Defense | OR | Sep 24, 2024 | $31,346 |
| 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 LLC | Department of Agriculture | WY | Sep 14, 2026 | $27,900 |
| 140FS226F0153 WI-NECEDAH NWR-HISTORIC CONTEXT AND NRHP EVALUATION | GULF SOUTH RESEARCH CORP | Department of the Interior | WI | Sep 24, 2026 | $26,407 |
| 140P5225P0038 CONTEXTUAL HISTORY STUDY FOR CIVILIAN CONSERVATION CORPS AT VICKSBURG NATIONAL MILITARY PARK | MANUTEK INC | Department of the Interior | MS | Jun 2, 2025 | $19,995 |
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.
- 1Awards are grouped by the PSC code the government recorded on the award, taken from USAspending.gov and last refreshed Oct 21, 2026. Miscoded awards stay miscoded here; we do not reassign codes.