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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.

NAICSIndustryAwardsObligated
541620Environmental Consulting Services26$7.1 million
541199All Other Legal Services8$2.9 million

Buying agencies

AgencyAwardsObligated
Environmental Protection Agency19$5 million
Department of Justice8$2.9 million
General Services Administration5$2 million
Department of the Interior1$42,763
Department of Agriculture1$-30,997

Obligations by fiscal year

Fiscal yearObligated
FY2024$4.1 million
FY2025$2.2 million
FY2026$3.6 million

Contract awards

All 34 awards in fiscal years 2024 to 2027.

Award IDAgencyTypeNAICSWhat it buysObligated in windowAward valueStartsEndsPlace of performanceSource
15JC1V22P00000502Department of JusticePurchase Order541199EXPERT WITNESS SERVICES$2,354,612$2,966,276July 21, 2022December 31, 2026Rockville, MDusaspending.gov
47PJ0022F0508General Services AdministrationDelivery Order541620GRID BY GRID INSPECTION OF SE CORNER AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO$1,084,244$2,067,241October 1, 2022September 30, 2027Denver, COusaspending.gov
47PJ0023F0429General Services AdministrationDelivery Order541620AWARD IS FOR SITE WIDE ENVIRONMENTAL MONITORING AT THE DENVER FEDERAL CENTER IN LAKEWOOD, COLORADO.$952,688$1,099,593October 1, 2023September 30, 2027Denver, COusaspending.gov
68HE0923F0064Environmental Protection AgencyDelivery Order541620RED HILL FUEL STORAGE FACILITY EXPERT ENVIRONMENTAL SUPPORT$821,792$1,302,273July 1, 2023June 30, 2027San Francisco, CAusaspending.gov
68HE0524F0049Environmental Protection AgencyBPA Call541620BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA#68HE0524A0002.$572,317$748,592September 30, 2024April 30, 2026Rockville, MDusaspending.gov
68HE0526F0006Environmental Protection AgencyBPA Call541620REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS), INITIAL BASE CALL ORDER UNDER GEOS 4 FOR THE PRISTINE INC SUPERFUND SITE S$540,980$540,980December 18, 2025September 8, 2027Cincinnati, OHusaspending.gov
68HE0525F0032Environmental Protection AgencyBPA Call541620ST. REGIS PAPER COMPANY SUPERFUND SITE (SSID 05J2)$430,465$510,673April 28, 2025September 8, 2027Rockville, MDusaspending.gov
68HE0525F0034Environmental Protection AgencyBPA Call541620GEOS4 CALL ORDER FOR ACME SOLVENT RECLAIMING SUPERFUND SITE IN ROCKFORD ILLINOIS; SITE 0579.$407,958$789,620August 25, 2025September 8, 2027Chicago, ILusaspending.gov
68HE0525F0008Environmental Protection AgencyBPA Call541620GEOS4 SUPPORT FOR BENDIX CORP./ALLIED AUTOMOTIVE SUPERFUND SITE (SSID 05AS)$380,697$470,693March 25, 2025September 8, 2027Chicago, ILusaspending.gov
68HE0526F0049Environmental Protection AgencyBPA Call541620REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). CHEMICAL RECOVERY$371,016$371,016May 14, 2026September 8, 2027Elyria, OHusaspending.gov
15JENR26P00000064Department of JusticePurchase Order541199EXPERT WITNESS$339,634$339,634February 18, 2026February 1, 2031Rockville, MDusaspending.gov
15JENR21P00000316Department of JusticePurchase Order541199EXPERT WITNESS$273,625$534,325September 23, 2021February 1, 2028Rockville, MDusaspending.gov
68HE0525F0033Environmental Protection AgencyBPA Call541620GEOS4 SUPPORT FOR UNION CARBIDE, SITE B LANDFILL SUPERFUND SITE (SSID 05F4).$257,847$373,247August 11, 2025September 8, 2027Rockville, MDusaspending.gov
68HE0525F0002Environmental Protection AgencyBPA Call541620SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SITEWIDE SUPPORT UNDER GEOS4 BPA.$256,424$432,357June 9, 2025September 8, 2027Rockville, MDusaspending.gov
68HE0525F0066Environmental Protection AgencyBPA Call541620REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 SUPPORT FOR$250,423$250,423September 29, 2025September 8, 2027Otisville, MIusaspending.gov
68HE0526F0057Environmental Protection AgencyBPA Call541620REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 FOR OTTAWA $226,579$246,340May 20, 2026September 8, 2027Ottawa, ILusaspending.gov
68HE0526F0013Environmental Protection AgencyBPA Call541620GEOS4 CALL ORDER UNDER GEOS4 FOR KURT MANUFACTURING (05X1) SUPERFUND SITE.$211,211$251,611April 7, 2026September 8, 2027Minneapolis, MNusaspending.gov
68HE0525F0089Environmental Protection AgencyBPA Call541620GEOS4 SUPPORT FOR SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SOURCE AREA 9/10; (SSID 05DK).$157,433$172,504September 29, 2025September 8, 2027Rockville, MDusaspending.gov
68HE0524F0032Environmental Protection AgencyBPA Call541620GARDEN CITY GROUNDWATER PLUME SUPERFUND SITE SUPPORT UNDER GEOS4 BPA.$135,916$282,467September 30, 2024September 8, 2027Rockville, MDusaspending.gov
68HE0526F0040Environmental Protection AgencyBPA Call541620BPA CALL ORDER FOR THE (EAST PALESTINE TRAIN DERAILMENT EPTDR) SITE UNDER GEOS4 BPA# 68HE0524A0002.$102,530$194,210April 20, 2026September 8, 2027Rockville, MDusaspending.gov
68HE0525F0056Environmental Protection AgencyBPA Call541620GEOS4 CALL ORDER FOR REILLY TAR & CHEMICAL CORP., ST. LOUIS PARK PLANT (SSID: 0506).$100,000$130,170September 17, 2025September 8, 2026Rockville, MDusaspending.gov
140G0123F0353Department of the InteriorDelivery Order541620MT3D-USGS SOFTWARE MODERNIZATION$42,763$142,263September 1, 2023August 31, 2028Rockville, MDusaspending.gov
15JC1V22P00000165Department of JusticePurchase Order541199EXPERT WITNESS SERVICES$28,183$186,217January 24, 2022November 1, 2024Rockville, MDusaspending.gov
47PJ0019F0296General Services AdministrationDelivery Order541620SITE WIDE LONG TERM MONITORING AT THE DENVER FEDERAL CENTER$0$572,753October 1, 2019June 30, 2025Denver, COusaspending.gov
15JENR23P00000304Department of JusticePurchase Order541199EXPERT WITNESS$0$141,366August 28, 2023April 30, 2028Rockville, MDusaspending.gov
47QRAA22D0037General Services AdministrationFSS541620EO14042 THIS CONTRACT INCLUDES THE FEDERAL ACQUISITION REGULATION (FAR) CLAUSE 52.223-99 ENSURING ADEQUATE COVID-19 SAFETY PROTOCOLS FOR FED$0$6,000,000December 13, 2021usaspending.gov
15JENR23P00000337Department of JusticePurchase Order541199EXPERT WITNESS$0$402,336September 11, 2023February 1, 2029Rockville, MDusaspending.gov
68HE0524A0002Environmental Protection AgencyBPA541620REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). BASE PERIOD: 09/0$0$10,000,000September 9, 2024usaspending.gov
GSP0816JA7076General Services AdministrationDelivery Order541620IGF::OT::IGF PREPARE CORRECTIVE MEASURE WORK PLAN FOR INVESTIGATION AREA 04F AT DENVER FEDERAL CENTER, LAKEWOOD, COLORADO$-0$6,302,933January 25, 2016June 15, 2024Denver, COusaspending.gov
68HE0920F0012Environmental Protection AgencyDelivery Order541620REGION 9 LAND DIVISION UNDERGROUND STORAGE TANK (UST) PROGRAM: RED HILL UST GIS MODELING SUPPORT SERVICES$-0$741,477January 27, 2020June 30, 2023Bethesda, MDusaspending.gov
1240LR21F0112Department of AgricultureDelivery Order541620STIBNITE GOLD PROJECT HYDROLOGIC REVIEW$-30,997$101,315September 22, 2021October 31, 2023Rockville, MDusaspending.gov
15JC1V21P00000501Department of JusticePurchase Order541199EXPERT WITNESS SERVICES$-44,951$51,567August 26, 2021November 6, 2023Rockville, MDusaspending.gov
15JENR21P00000191Department of JusticePurchase Order541199EXPERT WITNESS$-81,092$22,064May 25, 2021April 30, 2024Rockville, MDusaspending.gov
68HE0520F0029Environmental Protection AgencyDelivery Order541620EPA REGION 5 GROUNDWATER EVALUATION AND OPTIMIZATION SYSTEM TASK ORDER$-202,603$3,845,785February 11, 2020August 10, 2025Rockville, MDusaspending.gov

Also on SpecStream

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.