| 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 | |
| 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 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| BONNER ANALYTICAL TESTING COBONNER ANALYTICAL TESTING COMPANY (BON) TASK ORDER INITIATION | 541380 | MS | $16,983,038 | Sep 9, 20260 mo | |
| 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 | |
| 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 | |
| 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 | |
| EASTERN RESEARCH GROUP INCEARTH MISSION SUPPORT ADVANCING A CIRCULAR ECONOMY FOR MATERIALS | 541620 | MA | $10,582,552 | Sep 28, 20260 mo | |
| 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 | |
| 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 | |
| ENVIRONMENTAL RESTORATION LLCHAVERTOWN PCP NPL SITE | 562910 | MO | $9,200,000 | Dec 31, 20263 mo | |
| S C & A INCINITIAL FUNDING FOR BPA 68HERH21A0021 BASE PERIOD CALL ORDER UNDER GSA GS-10-0093K RADNET MAINTENANCE CONTRACT $384,479.67 | 541620 | AL | $7,527,464 | Feb 18, 20275 mo | |
| AECOM TECHNICAL SERVICES, INC.REMEDIATION ENVIRONMENTAL SERVICES (RES) - SONFORD PRODUCTS SUPERFUND SITES. LOGICAL FOLLOW-ON | 562910 | MS | $6,669,077 | Sep 30, 20260 mo 1 offer | |
| EQ & CH REMEDIATIONTASK ORDER TO IMPLEMENT PHASE ONE OF THE DESIGNED REMEDY AT THE WALKER MACHINE PRODUCTS SITE IN COLLIERVILLE, TN. PRIMARY TASKS INCLUDE SOIL VAPOR EXTRACTION, GROUNDWATER AIR SPARGING, AND EXCAVATION/DISPOSAL. | 562910 | TN | $6,635,994 | Sep 30, 20260 mo 2 offers | |
| BASHA SERVICES, LLCEPA REGION 4 ERTEM (EMERGENCY RESPONSE TRAINING AND EQUIPMENT MANAGEMENT). MANAGEMENT OF TECHNICAL EQUIPMENT, EMERGENCY RESPONSE VEHICLES, AND WAREHOUSE SPACE. | 562910 | GA | $6,481,381 | Dec 19, 20263 mo 4 offers | |
| RURAL COMMUNITY ASSISTANCE CORPORATIONNEW CONTRACT FOR TRIBAL DI CIRCUIT RIDER SERVICES, REGION 9. | 541620 | CA | $6,424,537 | Oct 31, 20261 mo 1 offer | |
| TETRA TECH, INC.ERT TECHNICAL SUPPORT SERVICES TASK ORDER AWARD | 541620 | KY | $6,406,751 | Mar 9, 20276 mo 1 offer | |
| TETRA TECH INCSTART 5 BROWNFIELDS SITE ASSESSMENT WORK | 541620 | CO | $6,258,547 | Sep 27, 20260 mo | |
| TETRA TECH INCSTART 5 CERCLA SECTION 105 SITE ASSESSMENT | 541620 | CO | $6,165,003 | Sep 26, 20260 mo | |
| CDM FEDERAL PROGRAMS CORPORATIONTHIS ACTION INITIATES A NEW TASK ORDER UNDER THE REMEDIAL ACTION FRAMEWORK (RAF)FOR DESIGN AND ENVIRONMENTAL SERVICES (DES)FOR THE PRECISION PLATING SUPERFUND SITE. | 562910 | CT | $5,744,422 | Sep 29, 20260 mo 2 offers | |
| FIRELAKE-DIVERSIFIED JV2 LLCTO SECURE CONSTRUCTION SERVICES FOR ORD/R6 CONSOLIDATION PROJECTED TASK ORDER 4 BID PACKAGE 3. | 236220 | OK | $5,705,663 | Jan 12, 20274 mo | |
| CAPE FEAR ANALYTICAL, LLCCAPE FEAR ANALYTICAL (CFA) TASK ORDER INITIATION | 541380 | NC | $5,622,501 | Sep 9, 20260 mo | |
| ENVIRONMENTAL RESTORATION LLCR7 ERRS VI HERITAGE DISPOSAL AND STORAGE SSID: B7L6 | 562910 | NE | $5,501,806 | Sep 30, 20260 mo | |
| WILLIAMS DIVERSIFIED MATERIALS, INC.CHEROKEE COUNTY - EARLY BIRD REPOSITORY SERVICES FOR DISPOSAL OF MINE WASTE AND RESIDENTIAL YARD SOILS LOCATED AT MULTIPLE OPERABLE UNITS WITHIN THE CHEROKEE COUNTY SUPERFUND SITE AND ADJACENT SITES. | 562910 | KS | $5,487,202 | Dec 31, 20263 mo | |
| PARS ENVIRONMENTAL INCATLANTIC WOOD INDUSTRIES, INC. (AWI) THE PURPOSE OF THIS TASK ORDER IS TO CONDUCT OPERATION AND MAINTENANCE (O&M) ACTIVITIES AT THE ATLANTIC WOOD INDUSTRIES, INC. SUPERFUND SITE. THESE ACTIVITIES INCLUDE ROUTINE MAINTENANCE AND INCIDENTAL REPAI | 562910 | NJ | $5,467,644 | Jan 9, 20274 mo 2 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCAWARD OF DES TASK ORDER DONNELSVILE CONTAMINATED AQUIFER SUPERFUND SITE | 562910 | OH | $5,255,199 | Sep 29, 20260 mo 2 offers | |
| TESTAMERICA LABORATORIES, INC.TESTAMERICA LABORATORIES, INC. TASK ORDER INITIATION | 541380 | VT | $5,115,784 | Sep 9, 20260 mo | |
| TETRA TECH, INC.0354 HAVERTOWN PCP SITE DES SUITE | 562910 | PA | $5,002,097 | Dec 6, 20263 mo 1 offer | |
| EASTERN RESEARCH GROUP INCNEW TASK ORDER TITLED CONSTRUCTION AND GRANT MANAGEMENT EVALUATION OF COMMUNITY GRANTS PROJECTS | 541620 | MA | $4,982,470 | Sep 17, 20260 mo | |
| UVS INFOTECH LLC.OFFICE OF CHIEF FINANCIAL OFFICER (OCFO) PEOPLEPLUS (PPL) OPERATIONS AND MAINTENANCE (O&M) SUPPORT SERVICES | 541512 | DC | $4,841,054 | Oct 22, 20261 mo 3 offers | |
| C MARTIN CO INCREGION 10 MANCHESTER LABORATORY OPERATIONS AND MAINTENANCE SERVICES | 561210 | WA | $4,336,189 | Sep 30, 20260 mo 12 offers | |