| TETRA TECH, INC.R7 START VI: EXPANDED SITE INVESTIGATION RUTH NORGE LANDERAMA | 541620 | NE | $59,732 | Sep 30, 20260 mo | |
| RELIANCE RELOCATION SERVICES, INCHOME SALE FOR ATF EMPLOYEE CARLOS MARTIN IN ACCORDANCE WITH THE ATTACHED STATEMENT OF WORK | 484210 | IL | $59,670 | Sep 8, 20260 mo | |
| WESTON SOLUTIONS INCR10 START V: HEALTH & SAFETY TECHNICAL SUPPORT | 541620 | WA | $59,326 | Aug 5, 202711 mo | |
| EASTERN RESEARCH GROUP INCTO 11 68HE0925F0024 TO ORGANIZE AND CONDUCT A TWO-DAY STORMWATER TECHNICAL TRAINING SESSION | 541620 | CA | $59,017 | Sep 16, 20260 mo | |
| THERMO ELECTRON NORTH AMERICA LLCRENEWAL OF A ONE YEAR THERMO FISHER SCIENTIFIC SERVICE CONTRACT FOR LTQ XL ION TRAP AND DIONEX ICS-6000 ION CHROMATOGRAPHY SYSTEM. | 811210 | CO | $58,628 | Sep 30, 20260 mo 1 offer | |
| BLUESTONE ENVIRONMENTAL GROUP, INC.BPA CALL ORDER #6 HELLERTOWN BLUESTONE ENVIRONMENTAL GROUP INC. REMEDIAL TECHNICAL ASSISTANCE CONTRACT (RTAC) | 541620 | PA | $57,744 | Jun 30, 20279 mo | |
| CHINOOK SYSTEMS INCC219 - U.S EPA ANN ARBOR NATIONAL VEHICLE FUEL AND EMISSIONS LABORATORY (NVFEL) REGION 5 ROOF REPLACEMENT CONSTRUCTION PHASE COMMISSIONING FOLLOW-ON SERVICES PROJECT. | 541330 | MI | $57,550 | Mar 26, 20276 mo 1 offer | |
| WATERS TECHNOLOGIES CORPORATIONTASK ORDER AWARD FOR THE WATERS INSTRUMENT SERVICE AGREEMENT. | 334516 | IL | $56,684 | Sep 14, 20260 mo 1 offer | |
| REES SCIENTIFIC CORPORATIONTHE PURPOSE OF THIS PURCHASE ORDER IS TO AWARD A CONTRACT FOR PREVENTIVE MAINTENANCE FOR THE REES SCIENTIFIC CENTRON ENVIRONMENTAL MONITORING AND ALARM SYSTEM. | 541380 | MD | $55,536 | Sep 29, 20260 mo 1 offer | |
| ICF INCORPORATED, L.L.C.NATIONAL AIR TOXICS ASSESSMENTS (NATA) AND RISK ASSESSMENT ACTIVITIES WITHIN THE INTEGRATED AIR PROGRAM (NATA) -- LEAD (PB) NAAQS RISK ASSESSMENT SUPPORT THIS IS A NEW CALL ORDER FOR LEAD (PB) NAAQS RISK ASSESSMENT SUPPORT IN REFINING THE PB EXPOS | 541611 | DC | $54,816 | Dec 31, 20263 mo | |
| C TECH DEVELOPMENT CORPORATIONPURCHASE OF C TECH ENTERPRISE LICENSE, C TECH 3D PDF CONVERTER ANNUAL UNLIMITED LICENSE FOR ENTERPRISE PROGRAM AND ENTERPRISE LICENSE OF ENTERVOL SUITE | 541511 | FL | $54,411 | Aug 8, 202711 mo 1 offer | |
| WESTON SOLUTIONS INCPROVIDE FIELD AND NON-FIELD SUPPORT SERVICES AND TECHNICAL ASSISTANCE SERVICES TO ENVIRONMENTAL PROTECTION AGENCY (EPA) RESPONDING TO A VOC PLUME DISCOVERED NEAR THE FORMER MIDWEST PLATING SITE IN KOKOMO INDIANA, AND POTENTIAL RELEASE OF HAZARDOUS SU | 541620 | IN | $53,521 | Mar 28, 20276 mo | |
| THERMO ELECTRON NORTH AMERICA LLCSERVICE MAINTENANCE AGREEMENT - LSMS | 811210 | NC | $52,038 | Sep 30, 20260 mo 1 offer | |
| WATERS TECHNOLOGIES CORPORATIONWATERS CORPORATION SERVICE LEVEL AGREEMENT. | 334516 | MA | $51,893 | Sep 14, 20260 mo | |
| THERMO ELECTRON NORTH AMERICA LLCSERVICE MAINTENANCE AGREEMENT FOR A THERMO Q EXACTIVE MASS SPECTROMETER (SN10355L) | 811210 | OH | $51,727 | Aug 31, 20260 mo 1 offer | |
| KEMRON ENVIRONMENTAL SERVICES, INC.KEMRON R4 (ERRS V) - TASK ORDER TO INITIATE THE HULL AVENUE EMERGENCY RESPONSE SUPPORT. | 562910 | GA | $50,000 | Sep 30, 20260 mo 1 offer | |
| COLUMBIA-WILLAMETTE CLEAN CITIES COALITION, INC.THIS REQUISITION IS TO ADD FUNDS TO THE WEST COAST COLLABORATIVE PARTNERS MEETING (WCCPM) - SPONSORSHIP AGREEMENT AND STATEMENT OF WORK - MARCH 12-13, 2025 IN SACRAMENTO, CA. | 541618 | CA | $50,000 | Oct 1, 20261 mo 1 offer | |
| WESTON-TECHLAW JV LLCTHIS ACTION FUNDS NEW WORK ON REAC CONTRACT # 68HE0321D0001 | 541620 | VA | $49,991 | Sep 15, 20260 mo | |
| SOVEREIGN CONSULTING INCCROYDON TCE SUPERFUND SITE TASK ORDER UNDER THE ESO CLIN 0001 SUITE OF CONTRACTS | 562910 | PA | $49,470 | Feb 9, 20275 mo 3 offers | |
| CLINISYS, INC.R3 ESC LABORATORY INFORMATION MANAGEMENT SYSTEMS (LIMS) SOFTWARE MAINTENANCE | 513210 | MD | $48,840 | Jan 31, 20274 mo 1 offer | |
| PEAK SCIENTIFIC INCSERVICE CONTRACT TO COVER EXISTING PEAK NITROGEN GENERATORS AT R5 ASB. BASE PLUS TWO OPTION YEARS. | 811210 | IL | $48,077 | Sep 30, 20260 mo 1 offer | |
| RELIANCE RELOCATION SERVICES, INCJOHN WESTER -ATF - HOME SALE SERVICES SERVICES TO BE PROVIDED BY OUR BPA CONTRACT VENDORS. | 484210 | IL | $48,000 | Sep 3, 20260 mo | |
| FRANKLIN YOUNG INTERNATIONAL, INCORPORATEDPERKIN ELMER AVIO 550 MAX AND PERKIN ELMER NEXION 2000B GOLD SERVICE PLAN | 334516 | CO | $47,239 | Aug 31, 20260 mo 1 offer | |
| GOVERNMENT SCIENTIFIC SOURCE INCPURCHASE NITON XL5 PLUS ENVIRONMENTAL AND MINING XRF ANALYZER. | 334516 | CO | $46,643 | Apr 16, 20277 mo 1 offer | |
| JONES PUBLIC RELATIONS, INC.LEAD RENOVATION, REPAIR, AND PAINTING (RRP) AND PESTICIDES ON-LINE PUBLIC SERVICE ANNOUNCEMENT ADVERTISING, US EPA, REGION 7, LENEXA, KS | 541810 | KS | $46,636 | Sep 30, 20260 mo 2 offers | |
| PITNEY BOWES INC.EPA HQ FMSD - METERED MAIL MACHINES (2) | 561499 | DC | $46,378 | Sep 9, 20260 mo 3 offers | |
| DECISIONWARE INCTIMES ENERGY MODEL SOFTWARE GROUP ANNUAL SOFTWARE LICENSING RENEWAL AND SYSTEM SUPPORT - BASE WITH FOUR OPTION YEARS. | 511210 | NC | $45,345 | Sep 30, 20260 mo 1 offer | |
| AGP LLCMICRO BULK LIQUID NITROGEN & SPECIALTY COMPRESSED GASES | 325120 | MA | $45,000 | Aug 31, 20260 mo | |
| SPECTRO ANALYTICAL INSTRUMENTS, INC.SERVICE MAINTENANCE AGREEMENT HRICP-MS, ATTOM | 811210 | NC | $44,542 | Oct 10, 20261 mo 1 offer | |
| JEOL USA, INC.R10 JEOL SERVICE CONTRACT FOR JSM-6510LV SCANNING ELECTRON MICROSCOPE | 811210 | WA | $44,424 | Dec 31, 20263 mo 1 offer | |
| COLOSSAL CONTRACTING LLCSOFTWARE: NETAPP AND DR APPLIANCE MAINTENANCE AND SUPPORT. (FULL SCHEDULE LOCATED ON PAGE 4) POP: 10/1/25 - 9/30/26 | 541519 | MD | $43,000 | Sep 30, 20260 mo 3 offers | |
| PITNEY BOWES INC.60 MONTH GSA LTOP LEASE AND SUPPORT FOR MAIL METERS AT VARIOUS REGION 10 LOCATIONS. | 561499 | WA | $40,629 | Sep 30, 20260 mo 1 offer | |
| STERLING COMPUTERS CORPORATIONTHIS REQUIREMENT IS FOR THE PURCHASE OF COMMVAULT SOFTWARE USED FOR DATA BACKUP AND RECOVERY, CLOUD AND INFRASTRUCTURE MANAGEMENT, RETENTION, AND COMPLIANCE. COMMVAULT COMPLETE BACKUP & RECOVERY FOR VIRTUALIZED ENVIRONMENTS. | 334111 | IL | $40,151 | Jun 28, 20279 mo 4 offers | |
| AGILENT TECHNOLOGIES INCSINGLE PURCHASE OF AN AGILENT TECHNOLOGIES CROSSLAB SILVER SERVICE PLAN FOR THE LCMS 6495 IFUNNEL QQQ INSTRUMENT IN R4 LSASD ATHENS, GA LABORATORY. PROCUREMENT IS NEW TASK ORDER FROM THE AGENCY-WIDE LABORATORY EQUIPMENT MAINTENANCE (LEM) AGREEMENT CO | 334516 | GA | $40,149 | Aug 31, 20260 mo | |
| ILLUMINA, INC.NEXTSEQ 550 SYSTEM SILVER SUPPORT MAINTENANCE AGREEMENT. | 811210 | CA | $40,085 | Sep 30, 20260 mo 1 offer | |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INCCALL ORDER FOR HAZARDOUS AND TOXIC WASTE DISPOSAL AND EMERGENCY RESPONSE SERVICES. | 541620 | MA | $40,000 | Sep 28, 20260 mo | |
| ENVIRONMENTAL RESTORATION LLCDRILLS AND EXERCISES | 562910 | PA | $40,000 | Feb 1, 20275 mo | |
| EASTERN RESEARCH GROUP INCCLEAN AIR ACT REGULATIONS FOR WASTE MANAGEMENT: CISWIOSWI-PYROLYSIS AND GASIFICATION | 541620 | DC | $39,985 | Sep 28, 20260 mo | |
| NUKA RESEARCH & PLANNING GROUP LLC68HE0124A0003 GEOGRAPHIC RESPONSE STRATEGY (GRS) ISSUANCE OF A CALL ORDER FOR TESTING EXERCISES ON LAKE CHAMPLAIN. | 541620 | MA | $39,921 | Nov 30, 20262 mo | |
| WATERS TECHNOLOGIES CORPORATIONREGION 4 - LABORATORY EQUIPMENT MAINTENANCE (LEM) SERVICE AGREEMENT FOR LABORATORY SERVICES AND APPLIED SCIENCES DIVISION (LSASD). | 334516 | GA | $38,645 | Sep 30, 20260 mo | |
| CARTRIDGE TECHNOLOGIES, LLCBREAK/FIX MAINTENANCE AGREEMENT FOR EXISTING XEROX MULTI-FUNCTIONAL DEVICES (MFDS) LOCATED AT US EPA, REGION 7, LENEXA, KS. | 811212 | KS | $38,145 | Sep 16, 20260 mo 4 offers | |
| INDUSTRIAL ECONOMICS INCNEW BEDFORD HARBOR PRP ANALYSIS | 541611 | DC | $37,909 | Feb 28, 20275 mo | |
| AVI-SPL LLCSUPPORT AND MAINTENANCE AGREEMENT FOR EXISTING AUDIOVISUAL/INFORMATION TECHNOLOGY EQUIPMENT AT THE REGIONAL EMERGENCY OPERATIONS CENTER (REOC) LOCATED AT THE US EPA, REGION 7 OFFICE, LENEXA, KANSAS. | 811210 | KS | $37,699 | Aug 31, 20260 mo 1 offer | |
| GEISSELE AUTOMATICS LLCRIFLES AND VARIOUS SPARE PARTS FROM GEISSELE AUTOMATICS VIA US CUSTOMS AND BORDER PROTECTION (CBP) CONTRACT #70B06C20D000000009, PRICING PERIOD 4. FOR ALL QUANTITIES AND PART NUMBERS, SEE SPREADSHEET ATTACHED. THE TOTAL COST IS $37,518.84. FOR TEC | 332994 | DC | $37,519 | Sep 29, 20260 mo | |
| CLARIVATE ANALYTICS (US) LLCCLARIVATE ANALYTICS (US) LLC - ENDNOTE SITE LICENSE RENEWAL | 519290 | NC | $37,422 | Dec 28, 20263 mo 1 offer | |
| MICRO PHOTONICS INCTHIS PURCHASE IS FOR EXTENDING THE WARRANTY FOR THE SKYSCAN 1275 WITH SN:19K15086. | 811210 | NC | $36,900 | Sep 14, 20260 mo 1 offer | |
| STANDARD BIOTOOLS INCSERVICE MAINTENANCE AGREEMENT-FLUIDIGM BIOMARK(S/N - 90446) AND FLUIDIGM JUNO(S/N -130151) | 334516 | OH | $35,678 | Sep 9, 20260 mo 1 offer | |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INCHAZARDOUS AND TOXIC WASTE DISPOSAL AND EMERGENCY RESPONSE SERVICES | 541620 | MA | $35,383 | Sep 28, 20260 mo | |
| DH TECHNOLOGIES, INC.CELLEBRITE SOFTWARE RENEWAL (EPA OIG) | 541519 | VA | $35,208 | Aug 21, 20260 mo 15 offers | |
| ADVANCED COMPUTER CONCEPTS, INC.HARVESTER SERVER ENTERPRISE SOFTWARE ASSURANCE RENEWAL BASE PERIOD + 2 ADDITIONAL OPTIONS | 541519 | VA | $35,151 | Sep 30, 20260 mo 3 offers | |