| C M C, INC.SOUTHSIDE CHATTANOOGA SITE RESIDENTIAL REMEDIATION ACTIVITIES AND SERVICES REQUIRED TO PROTECT PUBLIC HEALTH AND ENVIRONMENTAL ISSUES AT THE SITE. SSID:B4J4RA02 ; | 562910 | TN | $71,272,091 | Sep 30, 20260 mo 3 offers | |
| LEISNOI DIVERSIFIED-KEMRON 8A JV, LLCOTTAWA RADIATION NPL 8, OTTAWA, IL DOL MEGAPROJECT | 562910 | IL | $66,874,085 | Apr 11, 20277 mo 10 offers | |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.QSS CONTRACT: SUPERFUND ANALYTICAL SERVICES BRANCH (ASB) TASK ORDER | 541611 | VA | $54,141,324 | Jan 31, 20274 mo | |
| C M C, INC.WESTSIDE LEAD SUPERFUND SITE, REMEDIAL ACTION SITE ID: GAN000407160 (C482) | 562910 | GA | $44,999,600 | Sep 30, 20260 mo 2 offers | |
| KEMRON/ARROWHEAD JV, LLCVELSICOL NORTH DISPOSAL AREA SOIL VAPOR EXTRACTION SYSTEM REMEDIAL ACTION | 562910 | TN | $44,637,366 | May 29, 20278 mo 1 offer | |
| KEMRON ENVIRONMENTAL SERVICES, INC.MISSISSIPPI PHOSPHATE SITE WATER TREATMENT SYSTEM. SSID: B45U | 562910 | MS | $41,972,440 | Sep 30, 20260 mo 3 offers | |
| AECOM TECHNICAL SERVICES, INC.VELSICOL DOWNGRADIENT VERTICAL BARRIER WALL IN ST. LOUIS, MI. | 562910 | MI | $37,614,722 | Feb 27, 20275 mo 2 offers | |
| J. F. BRENNAN COMPANY, INC.SPIRIT LAKE PHASE III TASK ORDER UNDER GLNPO-RRS MATOC | 562910 | MN | $35,448,417 | Oct 20, 202713 mo | |
| S C & A INC"TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA)" | 541620 | VA | $35,278,841 | Sep 18, 20260 mo | |
| ARROWHEAD CONTRACTING, LLCCONTRACT THROUGH AMRCS FOR RESPONSE ACTIVITIES TO ADDRESS CONTAMINATED SOIL REMOVAL AND DISPOSAL AT THE COVE TRANSFER STATION (CTS) COMPLEX | 562910 | AZ | $33,626,699 | Jan 24, 20274 mo 3 offers | |
| EASTERN RESEARCH GROUP INCCLOSING AMERICAS WASTEWATER ACCESS GAP COMMUNITY PROGRAM SUPPORT | 541620 | MA | $31,579,376 | Feb 15, 20275 mo | |
| ENVIRONMENTAL RESTORATION LLCREGION 6, EMERGENCY AND RAPID RESPONSE SERVICES V (ERRS V) - FOR THE SMITTY'S SUPPLY FIRE P00001 IS TO ADD FUNDING TO ALLOW RAPID MOBILIZATION OF EMERGENCY AND RAPID RESPONSE SERVICES (ERRS) | 562910 | TX | $30,012,086 | Aug 29, 20260 mo 1 offer | |
| J. F. BRENNAN COMPANY, INC.THOMSON RESERVOIR REMEDIAL ACTION | 562910 | MN | $29,955,336 | Oct 30, 202713 mo | |
| ENVIRONMENTAL RESTORATION LLCREGION 6, EMERGENCY AND RAPID RESPONSE SERVICES V (ERRS V) - FOR THE SMITTY'S SUPPLY FIRE | 562910 | TX | $29,947,814 | Aug 29, 20260 mo 1 offer | |
| A AND M ENGINEERING & ENVIRONMENTAL SERVICES, INCR7 ORONOGO-DUENWEG MINING BELT, OPERABLE UNIT 1 REMEDIAL ACTION, TRI-STATE MINING DISTRICT. | 562910 | MO | $28,733,595 | Oct 31, 202713 mo | |
| MAXIMUS FEDERAL TECHNOLOGY SOLUTIONS, LLCOCFO OPERATIONS AND MAINTENANCE SUPPORT SERVICES | 541512 | DC | $26,224,234 | Aug 31, 20260 mo 4 offers | |
| EQM SERVICES, LLCHAVERTOWN GWTF | 562910 | PA | $23,292,629 | Sep 30, 20260 mo 1 offer | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR7 RES: HASTINGS GROUNDWATER SUPERFUND CONTAMINATION SITE SECOND STREET OPERABLE UNIT 12 (OU12) | 562910 | NE | $23,289,984 | Aug 28, 20260 mo 2 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR7 RES SOUTHWEST JEFFERSON COUNTY MINING SITE OU1 RESIDENTIAL YARDS REMEDIAL ACTION 02 | 562910 | KS | $23,225,727 | Nov 30, 202714 mo 2 offers | |
| HYDROGEOLOGIC, INC.RES PESTICIDE WAREHOUSE III (OU1 & OU2) SUPERFUND SITE (SSID 02RP) REMEDIAL ACTION (RA) | 562910 | PR | $22,973,223 | Sep 30, 20260 mo 1 offer | |
| AHTNA-BRENNAN JV, LLCLOWER ROUGE RIVER OLD CHANNEL LRROC GREAT LAKES NATIONAL PROGRAM OFFICE PHASE II REMEDIAL ACTION CONSTRUCTION. | 562910 | MI | $21,315,304 | Aug 31, 20260 mo 1 offer | |
| HYDROGEOLOGIC, INC.RES CREESE AND COOK TANNERY RA001 AND RA002. CONTRACT: 68HERH19D0010 | 562910 | MA | $21,026,255 | Sep 18, 20260 mo 2 offers | |
| AECOM TECHNICAL SERVICES, INC.WALTON & LONSBURY RA001/RA003 (RES) SUPERFUND SITE | 562910 | MA | $20,797,670 | Jan 28, 20274 mo 5 offers | |
| KGSNE JV II LLCSUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM (START) 8-A CONTRACT BROWNFIELDS TASK ORDER | 562910 | MA | $18,047,426 | Sep 15, 202712 mo | |
| ENVIRONMENTAL QUALITY MANAGEMENT, INCR7 CHEROKEE COUNTY, KANSAS, OU3 BAXTER SPRINGS AND OU8 EPA-LEAD RAIL LINES | 562910 | KS | $17,330,787 | Jul 31, 202710 mo | |
| BONNER ANALYTICAL TESTING COBONNER ANALYTICAL TESTING COMPANY (BON) TASK ORDER INITIATION | 541380 | MS | $16,983,038 | Sep 9, 20260 mo | |
| DATA SYSTEMS ANALYSTS INCINFORMATION SECURITY AND PRIVACY PROGRAM SUPPORT SERVICES | 541512 | DC | $15,816,787 | Oct 22, 202713 mo 3 offers | |
| TETRA TECH, INC.LOWER DARBY CREEK AREA (LDCA) SUPERFUND SITE (MULTIPLE OPERABLE UNITS (OUS) DESIGN AND ENGINEERING SERVICES (DES) THE PURPOSE OF THIS TASK ORDER (TO) IS TO PROVIDE SUPPORT AND ADDITIONAL SERVICES RELATED TO A VARIETY OF PLANNED ACTIVITIES RELATE | 562910 | PA | $15,758,897 | Sep 30, 202712 mo 1 offer | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCASSISTANCE TO SUPPORT OF THE DRINKING WATER STATE REVOLVING FUND PROGRAM WILL BE PROVIDED IN THE FORM OF DIRECT TECHNICAL SUPPORT TO STATES, TRIBES, TERRITORIES, AND COMMUNITIES. THE TECHNICAL SUPPORT EFFORT WILL HELP RECIPIENTS TO IDENTIFY AND IMPLE | 541715 | MD | $14,753,071 | Aug 19, 202711 mo 1 offer | |
| WILSON 5 SERVICE COMPANY, INC.OPERATIONS, MAINTENANCE, AND SUPPORT SERVICES FOR THE ATLANTIC COASTAL ENVIRONMENTAL SERVICES DIVISION (ACESD) FACILITIES LOCATED AT NARRAGANSETT RI | 561210 | RI | $14,651,496 | Sep 30, 20260 mo 1 offer | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCTHIS REQUIREMENT IS FOR CONSTRUCTION SERVICES ON THE KEYSTONE OU 1 REMEDIAL ACTION SITE IN INDIANAPOLIS, IN. WORK AT THE SITE INVOLVES IN-SITU THERMAL TREATMENT (ISTT). TASK ORDER HAS BEEN AWARDED UNDER CLIN 0002 OF THE REMEDIAL ENGINEERING SERVICES | 562910 | IN | $14,483,889 | Sep 30, 20260 mo 4 offers | |
| TETRA TECH, INC.THE CONTRACTOR PROVIDE TECHNICAL SUPPORT AND ASSISTANCE FOR THE USEPA NAVAJO ABANDONED URANIUM MINES (NAUM) PROGRAM AS IT DEVELOPS PROGRAM STANDARDS, TRAININGS AND WORKSHOPS, AND OTHER TECHNICAL SUPPORT WORK NEEDED FOR SITE INVESTIGATION. | 541620 | NM | $13,504,856 | Mar 1, 202818 mo | |
| KEMRON/ARROWHEAD JV, LLCR7 RES: CHEROKEE COUNTY SUPERFUND SITE REMEDIATION OF OU3 AND OU7 RESIDENTIAL SOILS, CHEROKEE COUNTY, KANSAS | 562910 | KS | $13,486,877 | Nov 15, 202714 mo 2 offers | |
| EQ & CH REMEDIATIONARROWHEAD PLAING - RES | 562910 | OH | $13,354,180 | Sep 30, 20260 mo 2 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR7 RES WASHINGTON COUNTY LEAD DISTRICT, OLD MINES, POTOSI, AND FURNACE CREEK SUPERFUND SITES OU1 RESIDENTIAL SOILS REMEDIATION WASHINGTON COUNTY, MISSOURI | 562910 | MO | $13,268,422 | Dec 31, 20263 mo 3 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCR10 RES: WYCKOFF/EAGLE HARBOR SUPERFUND SITE WELLFIELD REPLACEMENT AND THERMAL PILOT TEST DEMOLITION | 562910 | WA | $13,203,175 | Mar 31, 20276 mo 1 offer | |
| FIDELIS-BBD, LLCR7, REMEDIATION SERVICES FOR CHEROKEE COUNTY SUPERFUND SITE OU#4 TREECE SUBSITE CHEROKEE COUNTY, KANSAS. | 562910 | KS | $12,956,387 | Sep 30, 202712 mo | |
| ARROWHEAD CONTRACTING, LLCNAVAJO - ABANDONED MINES RESPONSE AND CONSTRUCTION SERVICES MESA V. THE PURPOSE OF THIS TASK ORDER IS FOR THE CONTRACTOR TO PROVIDE CONTRACT SUPPORT FOR A TIME CRITICAL REMOVAL ACTION (TCRA) PER THE STATEMENT OF WORK. | 562910 | AZ | $12,948,349 | Sep 22, 20260 mo 2 offers | |
| CHEMTEX ENVIRONMENTAL LABORATORY, INC.CHEMTEX ENVIRONMENTAL LABORATORY, INC. TASK ORDER INITIATION | 541380 | TX | $12,854,648 | Sep 9, 20260 mo | |
| AYUDA MC2 JV LLCR7 PCE SOUTHEAST OU1 & OU2 REMEDIAL ACTION - IN-SITU THERMAL REMEDIATION (ISTR) OF VOCS IN SOIL IN DOWNTOWN YORK, NEBRASKA. | 562910 | NE | $11,971,155 | Sep 30, 20260 mo | |
| KEMRON ENVIRONMENTAL SERVICES, INC.TIME CRITICAL REMOVAL: AMERICAN NUCLEAR CORPORATION, CLINTON, ANDERSON COUNTY, TENNESSEE SITE ID: C4N8; CONTRACTOR: KEMRON ENVIRONMENTAL SERVICES; CONTRACT NO. 68HE0421D0016; POP: 10/15/2023 - 10/01/2025; TAS CODE: 68-8145; | 562910 | TN | $11,000,000 | Oct 1, 20261 mo 1 offer | |
| EQM SERVICES, LLCR7: NEWTON COUNTY MINE TAILINGS SUPERFUND SITE (SITE), OPERABLE UNIT# 01 AND 02 (OU1 AND OU2). | 562910 | KS | $10,911,731 | Oct 31, 202713 mo | |
| AECOM TECHNICAL SERVICES, INC.RES - OLD WILMINGTON ROAD | 562910 | PA | $10,659,089 | Oct 29, 202713 mo 4 offers | |
| TETRA TECH, INC.THE CONTRACTOR SHALL PROVIDE THE SUPPORT NEEDED FOR TECHNICAL DESIGN SERVICES,& PLANNING AND CONDUCTING CLEANUP VERIFICATION OF TCRAS, PILOT STUDIES, OR OTHER INTERIM ACTIONS AT TRONOX AUMS UNDER THE RAES II CONTRACT #68HE0923D0002 FOR EPA FOR RE | 541620 | AZ | $10,655,361 | Sep 30, 202712 mo | |
| EASTERN RESEARCH GROUP INCEARTH MISSION SUPPORT ADVANCING A CIRCULAR ECONOMY FOR MATERIALS | 541620 | MA | $10,582,552 | Sep 28, 20260 mo | |
| LPS KEMRON JV LLCR7 CANEY SUPERFUND SITE REMEDIAL ACTION FOR OPERABLE UNIT 1 (OU1) FY24 RESIDENTIAL PROPERTIES | 562910 | KS | $10,550,671 | Jul 7, 202710 mo | |
| SEVENSON ENVIRONMENTAL SERVICES, INC.RES SCORPIO RECYCLING OU2 REMEDIAL ACTION | 562910 | PR | $10,080,490 | Sep 30, 202712 mo 2 offers | |
| HDR APTIM LLCREMEDIAL ACQUISITION FRAMEWORK (RAF), DESIGN AND ENGINEERING SERVICES (DES), ISSUANCE OF NEW TASK ORDER FOR THE GE-PITTSFIELD/HOUSATONIC RIVER SUPERFUND SITE, INCLUSION OF 52.204-25 PROHIBITION ON CONTRACTING FOR CERTAIN TELECOMMUNICATIONS AND VIDEO | 562910 | MA | $9,872,450 | Nov 30, 20262 mo 8 offers | |
| JACOBS ENGINEERING GROUP INC.SFGLAES: MILWAUKEE ESTUARY REMEDIAL DESIGN | 562910 | WI | $9,644,224 | May 31, 20278 mo 1 offer | |
| CDM A JOINT VENTUREREMEDIAL ACTION FRAMEWORK (RAF) / REMEDIATION ENVIRONMENTAL SERVICES (RES) TASK ORDER - U.S. EPA REGION 6 MARION PRESSURE TREATING COMPANY SUPERFUND SITE REMEDIATION IN MARION, LOUISIANA | 562910 | LA | $9,642,099 | Sep 30, 20260 mo 2 offers | |