| HDR APTIM LLCDES MAYWOOD CHEMICAL OU4 REMEDIAL INVESTIGATION / FEASIBILITY STUDY OVERSIGHT | 562910 | NJ | $469,077 | Sep 26, 20260 mo 1 offer | |
| THE CADMUS GROUP LLCCLEAN WATER ACT SECTION 303(D) PROGRAM SUPPORT | 541620 | MA | $468,893 | Sep 15, 202712 mo | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCESO: CLEBURN STREET WELL ENHANCED BIOREMEDIATION OU2 PILOT STUDY | 562910 | NE | $463,608 | Apr 20, 20277 mo 3 offers | |
| ENVIRONMENTAL QUALITY MANAGEMENT, INCTERN ISLAND EMERGENCY REMOVAL PREVIOUS WORK TOOK PLACE ON 9005 WHICH HAS EXPIRED. A NEW TO IS NEEDED TO COMPLETE THE WORK DUE TO DELAYS BECAUSE OF RESOURCES DIVERTED TO THE SOCAL WFS | 562910 | HI | $460,000 | Dec 31, 20263 mo | |
| THE TRAINING CONNECTION INCTO CREATE NEW BPA CALL ORDER FOR OPTION YEAR 2 AND THE ADDITION OF CLIN 002. | 611430 | VA | $456,970 | Aug 31, 20260 mo | |
| THE CADMUS GROUP LLCR425 - TECHNICAL ASSISTANCE ON SDWA IMPLEMENTATION IN EPA REGION 6 (FOLLOW-ON 68HERC24F0471) | 541620 | MA | $454,745 | Sep 28, 20260 mo | |
| ALETO, INC.NEW TASK ORDER OFF INDEFINITE-DELIVERY, INDEFINITE QUANTITY (IDIQ) CONTRACT FOR SPACE ANALYSIS, PLANNING, AND PROJECT MANAGEMENT SUPPORT AT THE EPA'S RTP, NC FACILITIES. | 541611 | VA | $453,822 | Nov 30, 20262 mo | |
| AMENTUM TECHNOLOGY, INC.CONTRACT 68HERC24D0008 - NEW TASK ORDER FOR "OTAQ/ASD VEHICLE FLEET SUPPORT" | 541330 | MI | $450,133 | Sep 8, 20260 mo | |
| PEGASUS TECHNICAL SERVICES, INCNEW TASK ORDER EXISTING IDIQ CONTRACT # 68HERC20D0029 TITLED "REMOVAL OF PER AND POLYFLUOROALKYL SUBSTANCES (PFAS) FROM DRINKING WATER" | 541715 | OH | $449,438 | Sep 29, 20260 mo | |
| RESEARCH TRIANGLE INSTITUTENEW TO UNDER STREAMS IV: SUSTAINABLE MATERIALS MANAGEMENT APPLICATIONS. | 541715 | NC | $448,549 | Sep 28, 20260 mo | |
| AECOM TECHNICAL SERVICES, INC.THIS ACTION INITIATES A NEW TASK ORDER UNDER THE REMEDIAL ACTION FRAMEWORK (RAF)FOR DESIGN AND ENVIRONMENTAL SERVICES (DES)FOR THE WR GRACE | 562910 | MA | $439,989 | Sep 29, 20260 mo 3 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCBLADES GROUNDWATER (A38N) OU02 CONTRACT: ESO/EA ENGINEERING, CONTRACT: 68HE0118D0004 GOVT RA: NEW TASK ORDER FOR RA SUPPORT TO MAINTAIN POUTS PROVIDED TO RESIDENTS IN OU02. POC: ALAN GEYER 215-814-3312 | 562910 | DE | $434,356 | Dec 30, 20263 mo 5 offers | |
| NEXUS GROUP, LLCMAINTENANCE AND REPAIR SERVICES FOR ANALYTICAL INSTRUMENTS | 811210 | NC | $431,580 | Sep 13, 20260 mo 1 offer | |
| S.S. PAPADOPULOS & ASSOCIATES, INC.ST. REGIS PAPER COMPANY SUPERFUND SITE (SSID 05J2) | 541620 | MD | $430,465 | Sep 8, 202712 mo | |
| HYDROGEOLOGIC, INC.REMEDIAL ACQUISITION FRAMEWORK (RAF), DESIGN AND ENGINEERING SERVICES (DES) - FORMER UNITED ZINC REMEDIAL INVESTIGATION (RI)/FEASIBILITY STUDY (FS) - TASK ORDER AWARD | 562910 | KS | $425,696 | Sep 30, 20260 mo 1 offer | |
| TECHLAW CONSULTANTS INCRAF ESO TASK ORDER PGA NORTH/PGA SOUTH - OVERSIGHT OF REMEDIAL INVESTIGATION AND REMEDIAL ACTION | 562910 | AZ | $425,623 | Jun 22, 20279 mo 1 offer | |
| THE CADMUS GROUP LLCNEW TASK ORDER FOR PFAS WASTEWATER/SURFACE WATER SAMPLING AND DATA ANALYSIS WORK FOR REGION 8 TRIBES IN ACCORDANCE WITH THE ATTACHED PERFORMANCE WORK STATEMENT. | 541620 | MA | $425,445 | Sep 23, 20260 mo | |
| HYDROGEOLOGIC, INC.US EPA, REGION 7 - ESO - CHEMICAL COMMODITIES, INC. LTRA TWO TECHNICAL SUPPORT SERVICES, OLATHE, KS | 562910 | KS | $425,066 | Sep 30, 20260 mo 1 offer | |
| CH2M HILL, INCKEYSTONE | 562910 | IN | $410,963 | Sep 29, 20260 mo 1 offer | |
| S.S. PAPADOPULOS & ASSOCIATES, INC.GEOS4 CALL ORDER FOR ACME SOLVENT RECLAIMING SUPERFUND SITE IN ROCKFORD ILLINOIS; SITE 0579. | 541620 | MD | $407,958 | Sep 8, 202712 mo | |
| ADANTA, INC.R10: BRADFORD ISLAND CASCADE LOCKS, OR FACILITATION SERVICES | 541620 | WA | $401,550 | Jul 14, 202710 mo 2 offers | |
| REDHAWK IT SOLUTIONS, LLCSOFTWARE: 360 BUSINESS OBJECTS LICENSE RENEWAL | 541519 | VA | $400,549 | Sep 15, 20260 mo 2 offers | |
| FOURTH STATE LLCPLASMA-DRIVEN DESTRUCTION OF PFAS IN COMPLEX WATER MATRICES: PILOT-SCALE DEMONSTRATION | 541715 | MI | $400,000 | Oct 17, 20261 mo 22 offers | |
| DIPOLE MATERIALS INCFIGHTING FIRES WITH FILTERS - ELECTROSPINNING BIODEGRADABLE MATERIALS FOR HIGH-PERFORMANCE INDOOR AIR FILTERS | 541715 | MD | $400,000 | Oct 17, 20261 mo 22 offers | |
| GREENLIFETECH CORPNOVEL METHOD FOR PRODUCE PRESERVATION AND STERILIZATION IN MODERN REFRIGERATORS | 541715 | NC | $400,000 | Oct 17, 20261 mo 22 offers | |
| WATER ILLUMINATION INCDEVELOPMENT OF A CHEMICAL-FREE SHORT-WAVELENGTH UV BASED PFAS DESTRUCTION TECHNOLOGY FOR SALINE WASTEWATER TREATMENT | 541715 | CA | $400,000 | Oct 17, 20261 mo 22 offers | |
| VALIS INSIGHTS, INC.ENHANCED EFFICIENCY OF UBC RECYCLING POWERED BY ARTIFICIAL INTELLIGENCE | 541715 | MA | $400,000 | Oct 17, 20261 mo 22 offers | |
| ENVIRONMENTAL RESTORATION LLCEMERGENCY TASK ORDER - OPA -- ER CONTRACT 68HE0422D0001 TOCOR: RACHEL WEBB PRIMARY INVOICE APPROVING OFFICIAL: RACHEL WEBB ALTERNATE INVOICE APPROVING OFFICIAL: HANK THOMPSON | 562910 | TX | $400,000 | Nov 9, 20262 mo 1 offer | |
| PARAGON PROFESSIONAL SERVICES LLCCONTRACT SUPPORT FOR ALASKA LANDFILL CONTAMINANTS PROJECT. | 562910 | AK | $400,000 | Mar 19, 20276 mo 1 offer | |
| ENVIRONMENTAL RESTORATION LLCEMERGENCY RESPONSE FOR ASPEN PARK SOLVENTS | 562910 | CO | $395,432 | Sep 5, 20260 mo | |
| CONSOLIDATED SAFETY SERVICES INCORPORATEDAJ11 - GREAT LAKES NATIONAL PROGRAM OFFICE WATER QUALITY SURVEY ANALYSES 2025 | 541715 | OR | $395,417 | Sep 3, 20260 mo | |
| TOEROEK ASSOCIATES, INC.US EPA, REGION 7 RCRA IOWA INSPECTIONS | 541620 | KS | $385,473 | Dec 31, 20263 mo | |
| TRC ENVIRONMENTAL CORPORATIONEPA RESEARCH TRIANGLE PARK, NORTH CAROLINA IS RESPONSIBLE FOR PROCURING, TESTING, AND DISTRIBUTING FILTERS OF HIGH PURITY TO THE STATE/LOCAL AIR POLLUTION CONTROL AGENCIES. THE QUARTZ FILTERS ARE USED WITH A SIZE SELECTIVE SAMPLER (SSI) TO COLLECT PM | 541380 | NC | $381,680 | Aug 31, 202711 mo 2 offers | |
| S.S. PAPADOPULOS & ASSOCIATES, INC.GEOS4 SUPPORT FOR BENDIX CORP./ALLIED AUTOMOTIVE SUPERFUND SITE (SSID 05AS) | 541620 | MD | $380,697 | Sep 8, 202712 mo | |
| RIGAKU AMERICAS HOLDING, INC.TATD FFP PROCUREMENT: WAVELENGTH DISPERSIVE X-RAY SPECTROMETER (WD-XRF) | 334516 | MI | $379,603 | Dec 4, 20263 mo 2 offers | |
| BATTELLE MEMORIAL INSTITUTETECHNICAL SUPPORT FOR THE NATIONAL MONITORING NETWORKS QA PROGRAMS. COR: BRANNON SEAY/ALT COR: GREG NOAH/POC: TAMARA PARKER CONTRACT BPA: BATTELLE: 68HERD21A0001 | 541611 | OH | $378,231 | Sep 21, 20260 mo | |
| ENVIRONMENTAL RESTORATION LLCEPA R7 ESO FOR VIENNA WELLS LONG-TERM RESPONSE ACTION (LTRA) TECHNICAL SUPPORT SERVICES, VIENNA, MISSOURI. | 562910 | MO | $376,964 | Dec 19, 20263 mo 1 offer | |
| CHINOOK SYSTEMS INCCOMMISSIONING PHASE SERVICES FOR THE LABORATORY CONSOLIDATION PROJECT AT ROBERT S. KERR ENVIRONMENTAL RESEARCH CENTER US EPA FACILITY ADA, OK. | 541330 | FL | $376,655 | Jan 12, 20274 mo 1 offer | |
| HAZTRAIN INCEMERGENCY RESPONSE TRAINING PROGRAM (ERTP) SMALL - ADMIN CALL ORDER. THIS CALL ORDER REPLACES 68HERH21A0007/68HERH24F0457 FOR THE SAME REQUIREMENT. | 541620 | DC | $368,382 | Aug 27, 20260 mo | |
| THE REMI GROUP LLC2024 CRL EQUIPMENT MANAGEMENT PLAN | 561210 | IL | $366,131 | Oct 3, 20261 mo 1 offer | |
| THE CADMUS GROUP LLCR425 - REGION 9 TRIBAL DIRECT IMPLEMENTATION 2025-2026 SANITARY SURVEYS FOR DRINKING WATER SYSTEMS | 541620 | MA | $360,544 | Dec 31, 20263 mo | |
| TELEDYNE FLIR COMMERCIAL SYSTEMS INC.PURCHASE OF THREE (3) HAND-HELD, HIGH RESOLUTION OPTICAL GAS IMAGING (OGI) CAMERAS. EPA REQUIRES 3 SPARE BATTERIES AND A 3-YEAR PARTS AND LABOR WARRANTY ON THIS EQUIPMENT. | 334310 | MD | $356,369 | May 28, 20278 mo 6 offers | |
| APTIM FEDERAL SERVICES, LLCCONTRACT 68HERC24D0003, TASK ORDER 68HERC24F0447: TECHNICAL SUPPORT TO IMPROVE WATER QUALITY MODELING AND EVALUATE SCENARIOS | 541715 | OH | $355,922 | Aug 10, 202711 mo | |
| I DESIGN AND PLANNING, LLCC1DB - ADDITIONAL SUPPORT FOR CONSTRUCTION PHASE SERVICES FOR THE ONGOING ADA ORD R6 CONSOLIDATION CONSTRUCTION PROJECT AT THE EPA ADA, OK FACILITY. | 541330 | MI | $355,734 | Jan 12, 20274 mo 1 offer | |
| BETTER BY DESIGN LLCR7 BIG RIVER MINE TAILINGS (BRMT), OU2 PILOT STUDY AREA SUPERFUND SITE REMEDIAL ACTION MAINTENANCE SERVICES | 562910 | MO | $350,614 | Sep 26, 20260 mo | |
| ENVIRONMENTAL RESTORATION LLCERRS V TASK ORDER TO MAINTAIN THE NORTH BELMONT PCE TREATMENT SYSTEM SITE. | 562910 | GA | $350,000 | Sep 30, 20260 mo 3 offers | |
| TECHLAW CONSULTANTS INCENVIRONMENTAL SERVICES AND OPERATIONS. FORMER MCCLELLAN AIR FORCE BASE TECHNICAL OVERSIGHT SUPPORT. THE PURPOSE OF THIS TASK ORDER IS FOR THE CONTRACTOR TO PROVIDE THE EPA TECHNICAL OVERSIGHT SUPPORT PER THE REQUIREMENTS OF THE SOLICITATION. | 562910 | CA | $345,718 | Sep 30, 20260 mo 1 offer | |
| WESTON SOLUTIONS INCR10 START V: RISK MANAGEMENT INSPECTION & TECHNICAL SUPPORT SERVICES #2 | 541620 | WA | $343,423 | Aug 5, 202711 mo | |
| WESTON SOLUTIONS INCR10 START V: COUNTER-TERRORISM READINESS #2 | 541620 | WA | $337,139 | Aug 5, 202711 mo | |
| ICF INCORPORATED, L.L.C.ENVIRONMENTAL ASSESSMENT SUPPORT FOR ENGINEERING AND ANALYSIS DIVISION FOR REVISION TO THE OIL AND GAS EXTRACTION AND CENTRALIZED WASTE TREATMENT EFFLUENT GUIDELINES | 541611 | VA | $334,443 | Sep 18, 20260 mo | |