S.S. PAPADOPULOS & ASSOCIATES, INC.
ROCKVILLE, MD, 20852
Prime contracting experience
20 records from government sources. Past participation is not evidence of current teaming interest.
| Role | Agency | Description | Vehicle | Obligated | Action date | Period |
|---|---|---|---|---|---|---|
| Prime | Environmental Protection Agency Environmental Protection Agency | RED HILL FUEL STORAGE FACILITY EXPERT ENVIRONMENTAL SUPPORT | 47QRAA22D0037USAspending | $1,021,792 | Sep 24, 2026 | Jul 1, 2023 – Jun 30, 2027 |
| Prime | Department of Justice Offices, Boards and Divisions | EXPERT WITNESS SERVICES | — | $2,966,276 | Sep 17, 2026 | Jul 21, 2022 – Dec 31, 2026 |
| Prime | General Services Administration Public Buildings Service | GRID BY GRID INSPECTION OF SE CORNER AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO | 47QRAA22D0037USAspending | $2,067,241 | Sep 10, 2026 | Oct 1, 2022 – Sep 30, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | GEOS4 SUPPORT FOR UNION CARBIDE, SITE B LANDFILL SUPERFUND SITE (SSID 05F4). | 68HE0524A0002USAspending | $257,847 | Sep 8, 2026 | Aug 11, 2025 – Sep 8, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SITEWIDE SUPPORT UNDER GEOS4 BPA. | 68HE0524A0002USAspending | $256,424 | Sep 8, 2026 | Jun 9, 2025 – Sep 8, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 SUPPORT FOR FOREST WASTE PRODUCTS SUPERFUND SITE (SSID: 05D5). | 68HE0524A0002USAspending | $250,423 | Sep 8, 2026 | Sep 29, 2025 – Sep 8, 2027 |
| Prime | General Services Administration Public Buildings Service | AWARD IS FOR SITE WIDE ENVIRONMENTAL MONITORING AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO. | 47QRAA22D0037USAspending | $1,099,593 | Aug 31, 2026 | Oct 1, 2023 – Sep 30, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | GEOS4 CALL ORDER FOR ACME SOLVENT RECLAIMING SUPERFUND SITE IN ROCKFORD ILLINOIS; SITE 0579. | 68HE0524A0002USAspending | $407,958 | Aug 27, 2026 | Aug 25, 2025 – Sep 8, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | GEOS4 SUPPORT FOR BENDIX CORP./ALLIED AUTOMOTIVE SUPERFUND SITE (SSID 05AS) | 68HE0524A0002USAspending | $380,697 | Aug 25, 2026 | Mar 25, 2025 – Sep 8, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). CHEMICAL RECOVERY SYSTEMS SUPERFUND SITE. | 68HE0524A0002USAspending | $371,016 | Aug 20, 2026 | May 14, 2026 – Sep 8, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA#68HE0524A0002. | 68HE0524A0002USAspending | $572,317 | Aug 17, 2026 | Sep 30, 2024 – Apr 30, 2026 |
| Prime | Environmental Protection Agency Environmental Protection Agency | ST. REGIS PAPER COMPANY SUPERFUND SITE (SSID 05J2) | 68HE0524A0002USAspending | $430,465 | Aug 12, 2026 | Apr 28, 2025 – Sep 8, 2027 |
| Prime | Environmental Protection Agency Environmental Protection Agency | REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS), INITIAL BASE CALL ORDER UNDER GEOS 4 FOR THE PRISTINE INC SUPERFUND SITE SSID 0556. | 68HE0524A0002USAspending | $540,980 | Aug 12, 2026 | Dec 18, 2025 – Sep 8, 2027 |
| Prime | Department of Justice Offices, Boards and Divisions | EXPERT WITNESS | — | $339,634 | Feb 18, 2026 | Feb 18, 2026 – Feb 1, 2031 |
| Prime | Department of Justice Offices, Boards and Divisions | EXPERT WITNESS | — | $402,336 | Feb 4, 2026 | Sep 11, 2023 – Feb 1, 2029 |
| Prime | Department of Justice Offices, Boards and Divisions | EXPERT WITNESS | — | $534,325 | Jan 22, 2026 | Sep 23, 2021 – Feb 1, 2028 |
| Prime | Environmental Protection Agency Environmental Protection Agency | EPA REGION 5 GROUNDWATER EVALUATION AND OPTIMIZATION SYSTEM TASK ORDER | GS10F0462MUSAspending | $3,845,785 | Dec 11, 2025 | Feb 11, 2020 – Aug 10, 2025 |
| Prime | General Services Administration Public Buildings Service | SITE WIDE LONG TERM MONITORING AT THE DENVER FEDERAL CENTER | GS10F0462MUSAspending | $572,753 | Aug 8, 2024 | Oct 1, 2019 – Jun 30, 2025 |
| Prime | General Services Administration Public Buildings Service | IGF::OT::IGF PREPARE CORRECTIVE MEASURE WORK PLAN FOR INVESTIGATION AREA 04F AT DENVER FEDERAL CENTER, LAKEWOOD, COLORADO | GS10F0462MUSAspending | $6,302,933 | Apr 18, 2024 | Jan 25, 2016 – Jun 15, 2024 |
| Prime | Environmental Protection Agency Environmental Protection Agency | REGION 9 LAND DIVISION UNDERGROUND STORAGE TANK (UST) PROGRAM: RED HILL UST GIS MODELING SUPPORT SERVICES | GS10F0462MUSAspending | $741,477 | Nov 15, 2023 | Jan 27, 2020 – Jun 30, 2023 |
Contract vehicles are shown only when present in the source record. Linked award numbers and vehicles open the authoritative record on USAspending.gov.
Subcontracting experience
2 records from government sources. Past participation is not evidence of current teaming interest.
| Role | Agency | Description | Vehicle | Obligated | Action date | Period |
|---|---|---|---|---|---|---|
| Subcontractor | Department of Energy | RS&I CP LTMP SUPPORT 00086571 Parent award context Parent award agency: Department of Energy · Department of Energy Parent award NAICS: 562910 Parent award performance state: WA Parent award description: HANFORD CENTRAL PLATEAU CLEANUP CONTRACT-TASK ORDER-05 GROUNDWATER OPERATIONS - THIS TASK ORDER IS ISSUED AS AN UNDEFINITIZED TASK ORDER PURSUANT TO CLAUSE H.49, TASK ORDERING PROCEDURE. NOTICE-TO-PROCEED SHALL BE EFFECTIVE ON OCTOBER 1, 2021. NO A View parent award on USAspending | 89303320DEM000030USAspending | $248,706 | Jan 11, 2024 | — – — |
| Subcontractor | General Services Administration | ENVIRONMENTAL CONSULTING SERVICES, FIELD INVESTIGATION, REPORTING, MAPPING, AND EDVARS, AND SAMPLING. DFADX5HTRL54 Parent award context Parent award agency: General Services Administration · Public Buildings Service Parent award NAICS: 236220 Parent award performance state: CO Parent award description: BUILDING 53 LIMITED SCOPE & TENANT BACKFILL PROJECT 1 DENVER FEDERAL CENTER, LAKEWOOD , CO 80225 B53 View parent award on USAspending | — | $39,983 | Jun 30, 2022 | — – — |
Contract vehicles are shown only when present in the source record. Linked award numbers and vehicles open the authoritative record on USAspending.gov.
Agencies supported
- Department of JusticeGov-sourced
- General Services AdministrationGov-sourced
- Environmental Protection AgencyGov-sourced
Government-sourced data comes from SAM.gov, SBA and USAspending.gov and is attributed to its source. Items marked company-reported were provided by the company and are verified by FedSub only where labeled. FedSub is a private company and is not affiliated with SBA, GSA/SAM.gov, or any government agency.