Data / Federal awards / NAICS 541620 / S.S. PAPADOPULOS & ASSOCIATES, INC.
S.S. PAPADOPULOS & ASSOCIATES, INC.: 34 federal contract awards, $9.9 million obligated (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
S.S. PAPADOPULOS & ASSOCIATES, INC. (UEI DFADX5HTRL54), Rockville, MD, received 34 federal prime contract awards with $9.9 million obligated in fiscal years 2024 to 2027, from 5 agencies under 2 NAICS codes. Its largest buyer is Environmental Protection Agency ($5.0 million) and its largest code is NAICS 541620 Environmental Consulting Services.
The request: Every federal contract awarded under NAICS 541620, with the winner, the agency and the value. $10 of work on sign-up, no card.
SpecStream is the live web data engine for teams and agents. It reads every federal contract award on USAspending.gov and every open opportunity on SAM.gov, and this page is that reading. Ask for the awards in your niche and the winners, agencies, values and recompetes arrive in your sheet, CRM, Slack or agent as they are reported.
- DFADX5HTRL54UEI
- Rockville, MDLocation
- Small BusinessBusiness size
- 34Contract awards
- $9.9 millionObligated
- 2023-10-04First action in window
- 2026-09-24Latest action
Where the work is
NAICS codes, with the other winners in each.
| NAICS | Industry | Awards | Obligated |
|---|---|---|---|
| 541620 | Environmental Consulting Services | 26 | $7.1 million |
| 541199 | All Other Legal Services | 8 | $2.9 million |
Buying agencies
| Agency | Awards | Obligated |
|---|---|---|
| Environmental Protection Agency | 19 | $5 million |
| Department of Justice | 8 | $2.9 million |
| General Services Administration | 5 | $2 million |
| Department of the Interior | 1 | $42,763 |
| Department of Agriculture | 1 | $-30,997 |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $4.1 million |
| FY2025 | $2.2 million |
| FY2026 | $3.6 million |
Contract awards
All 34 awards in fiscal years 2024 to 2027.
| Award ID | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| 15JC1V22P00000502 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS SERVICES | $2,354,612 | $2,966,276 | July 21, 2022 | December 31, 2026 | Rockville, MD | usaspending.gov |
| 47PJ0022F0508 | General Services Administration | Delivery Order | 541620 | GRID BY GRID INSPECTION OF SE CORNER AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO | $1,084,244 | $2,067,241 | October 1, 2022 | September 30, 2027 | Denver, CO | usaspending.gov |
| 47PJ0023F0429 | General Services Administration | Delivery Order | 541620 | AWARD IS FOR SITE WIDE ENVIRONMENTAL MONITORING AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO. | $952,688 | $1,099,593 | October 1, 2023 | September 30, 2027 | Denver, CO | usaspending.gov |
| 68HE0923F0064 | Environmental Protection Agency | Delivery Order | 541620 | RED HILL FUEL STORAGE FACILITY EXPERT ENVIRONMENTAL SUPPORT | $821,792 | $1,302,273 | July 1, 2023 | June 30, 2027 | San Francisco, CA | usaspending.gov |
| 68HE0524F0049 | Environmental Protection Agency | BPA Call | 541620 | BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA#68HE0524A0002. | $572,317 | $748,592 | September 30, 2024 | April 30, 2026 | Rockville, MD | usaspending.gov |
| 68HE0526F0006 | Environmental Protection Agency | BPA Call | 541620 | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS), INITIAL BASE CALL ORDER UNDER GEOS 4 FOR THE PRISTINE INC SUPERFUND SITE S | $540,980 | $540,980 | December 18, 2025 | September 8, 2027 | Cincinnati, OH | usaspending.gov |
| 68HE0525F0032 | Environmental Protection Agency | BPA Call | 541620 | ST. REGIS PAPER COMPANY SUPERFUND SITE (SSID 05J2) | $430,465 | $510,673 | April 28, 2025 | September 8, 2027 | Rockville, MD | usaspending.gov |
| 68HE0525F0034 | Environmental Protection Agency | BPA Call | 541620 | GEOS4 CALL ORDER FOR ACME SOLVENT RECLAIMING SUPERFUND SITE IN ROCKFORD ILLINOIS; SITE 0579. | $407,958 | $789,620 | August 25, 2025 | September 8, 2027 | Chicago, IL | usaspending.gov |
| 68HE0525F0008 | Environmental Protection Agency | BPA Call | 541620 | GEOS4 SUPPORT FOR BENDIX CORP./ALLIED AUTOMOTIVE SUPERFUND SITE (SSID 05AS) | $380,697 | $470,693 | March 25, 2025 | September 8, 2027 | Chicago, IL | usaspending.gov |
| 68HE0526F0049 | Environmental Protection Agency | BPA Call | 541620 | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). CHEMICAL RECOVERY | $371,016 | $371,016 | May 14, 2026 | September 8, 2027 | Elyria, OH | usaspending.gov |
| 15JENR26P00000064 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS | $339,634 | $339,634 | February 18, 2026 | February 1, 2031 | Rockville, MD | usaspending.gov |
| 15JENR21P00000316 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS | $273,625 | $534,325 | September 23, 2021 | February 1, 2028 | Rockville, MD | usaspending.gov |
| 68HE0525F0033 | Environmental Protection Agency | BPA Call | 541620 | GEOS4 SUPPORT FOR UNION CARBIDE, SITE B LANDFILL SUPERFUND SITE (SSID 05F4). | $257,847 | $373,247 | August 11, 2025 | September 8, 2027 | Rockville, MD | usaspending.gov |
| 68HE0525F0002 | Environmental Protection Agency | BPA Call | 541620 | SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SITEWIDE SUPPORT UNDER GEOS4 BPA. | $256,424 | $432,357 | June 9, 2025 | September 8, 2027 | Rockville, MD | usaspending.gov |
| 68HE0525F0066 | Environmental Protection Agency | BPA Call | 541620 | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 SUPPORT FOR | $250,423 | $250,423 | September 29, 2025 | September 8, 2027 | Otisville, MI | usaspending.gov |
| 68HE0526F0057 | Environmental Protection Agency | BPA Call | 541620 | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 FOR OTTAWA | $226,579 | $246,340 | May 20, 2026 | September 8, 2027 | Ottawa, IL | usaspending.gov |
| 68HE0526F0013 | Environmental Protection Agency | BPA Call | 541620 | GEOS4 CALL ORDER UNDER GEOS4 FOR KURT MANUFACTURING (05X1) SUPERFUND SITE. | $211,211 | $251,611 | April 7, 2026 | September 8, 2027 | Minneapolis, MN | usaspending.gov |
| 68HE0525F0089 | Environmental Protection Agency | BPA Call | 541620 | GEOS4 SUPPORT FOR SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SOURCE AREA 9/10; (SSID 05DK). | $157,433 | $172,504 | September 29, 2025 | September 8, 2027 | Rockville, MD | usaspending.gov |
| 68HE0524F0032 | Environmental Protection Agency | BPA Call | 541620 | GARDEN CITY GROUNDWATER PLUME SUPERFUND SITE SUPPORT UNDER GEOS4 BPA. | $135,916 | $282,467 | September 30, 2024 | September 8, 2027 | Rockville, MD | usaspending.gov |
| 68HE0526F0040 | Environmental Protection Agency | BPA Call | 541620 | BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA# 68HE0524A0002. | $102,530 | $194,210 | April 20, 2026 | September 8, 2027 | Rockville, MD | usaspending.gov |
| 68HE0525F0056 | Environmental Protection Agency | BPA Call | 541620 | GEOS4 CALL ORDER FOR REILLY TAR & CHEMICAL CORP., ST. LOUIS PARK PLANT (SSID: 0506). | $100,000 | $130,170 | September 17, 2025 | September 8, 2026 | Rockville, MD | usaspending.gov |
| 140G0123F0353 | Department of the Interior | Delivery Order | 541620 | MT3D-USGS SOFTWARE MODERNIZATION | $42,763 | $142,263 | September 1, 2023 | August 31, 2028 | Rockville, MD | usaspending.gov |
| 15JC1V22P00000165 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS SERVICES | $28,183 | $186,217 | January 24, 2022 | November 1, 2024 | Rockville, MD | usaspending.gov |
| 47PJ0019F0296 | General Services Administration | Delivery Order | 541620 | SITE WIDE LONG TERM MONITORING AT THE DENVER FEDERAL CENTER | $0 | $572,753 | October 1, 2019 | June 30, 2025 | Denver, CO | usaspending.gov |
| 15JENR23P00000304 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS | $0 | $141,366 | August 28, 2023 | April 30, 2028 | Rockville, MD | usaspending.gov |
| 47QRAA22D0037 | General Services Administration | FSS | 541620 | EO14042 THIS CONTRACT INCLUDES THE FEDERAL ACQUISITION REGULATION (FAR) CLAUSE 52.223-99 ENSURING ADEQUATE COVID-19 SAFETY PROTOCOLS FOR FED | $0 | $6,000,000 | December 13, 2021 | usaspending.gov | ||
| 15JENR23P00000337 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS | $0 | $402,336 | September 11, 2023 | February 1, 2029 | Rockville, MD | usaspending.gov |
| 68HE0524A0002 | Environmental Protection Agency | BPA | 541620 | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). BASE PERIOD: 09/0 | $0 | $10,000,000 | September 9, 2024 | usaspending.gov | ||
| GSP0816JA7076 | General Services Administration | Delivery Order | 541620 | IGF::OT::IGF PREPARE CORRECTIVE MEASURE WORK PLAN FOR INVESTIGATION AREA 04F AT DENVER FEDERAL CENTER, LAKEWOOD, COLORADO | $-0 | $6,302,933 | January 25, 2016 | June 15, 2024 | Denver, CO | usaspending.gov |
| 68HE0920F0012 | Environmental Protection Agency | Delivery Order | 541620 | REGION 9 LAND DIVISION UNDERGROUND STORAGE TANK (UST) PROGRAM: RED HILL UST GIS MODELING SUPPORT SERVICES | $-0 | $741,477 | January 27, 2020 | June 30, 2023 | Bethesda, MD | usaspending.gov |
| 1240LR21F0112 | Department of Agriculture | Delivery Order | 541620 | STIBNITE GOLD PROJECT HYDROLOGIC REVIEW | $-30,997 | $101,315 | September 22, 2021 | October 31, 2023 | Rockville, MD | usaspending.gov |
| 15JC1V21P00000501 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS SERVICES | $-44,951 | $51,567 | August 26, 2021 | November 6, 2023 | Rockville, MD | usaspending.gov |
| 15JENR21P00000191 | Department of Justice | Purchase Order | 541199 | EXPERT WITNESS | $-81,092 | $22,064 | May 25, 2021 | April 30, 2024 | Rockville, MD | usaspending.gov |
| 68HE0520F0029 | Environmental Protection Agency | Delivery Order | 541620 | EPA REGION 5 GROUNDWATER EVALUATION AND OPTIMIZATION SYSTEM TASK ORDER | $-202,603 | $3,845,785 | February 11, 2020 | August 10, 2025 | Rockville, MD | usaspending.gov |
Also on SpecStream
- All recipients under NAICS 541620 Environmental Consulting Services
- All recipients under NAICS 541199 All Other Legal Services
- Open opportunities under NAICS 541620
- Open opportunities under NAICS 541199
Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.