OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES
NAICS 541690
Total Obligations
$14.32B
Total Awards
8K
States
0
Last Updated
Apr 1, 2026
Top 50 Awards in OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES
Largest individual obligations in NAICS 541690.
| Award | Recipient | Awarding Agency | Program | Place | FY | Obligation |
|---|---|---|---|---|---|---|
CONT_AWD_N0002414C5128_9700_-NONE-_-NONE- FY14 SSDS R&D FUNDING | RAYTHEON COMPANY California | Department of Defense Department of the Navy | — | SAN DIEGO, CA-51 | 2025 | $358,109,509 |
CONT_AWD_72012124C00003_7200_-NONE-_-NONE- SPARC - SECURING POWER, ADVANCING RESILIENCE & CONNECTIVITY (SPARC) ACTIVITY. INCREMENTAL FUNDING ACTION AND OTHER ADMIN. CHANGES. | DOMESTIC AWARDEES (UNDISCLOSED) District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $353,586,058 |
CONT_AWD_W58RGZ21C0016_9700_-NONE-_-NONE- ATTACK HELICOPTER (AH-64) APACHE MODERNIZED TARGET ACQUISITION DESIGNATION SIGHT / PILOT NIGHT VISION SENSOR (MTADS/PNVS) PERFORMANCE BASED LOGISTICS (PBL) | LOCKHEED MARTIN CORPORATION Florida | Department of Defense Department of the Army | — | ORLANDO, FL-10 | 2024 | $329,272,748 |
CONT_AWD_FA881918C1001_9700_-NONE-_-NONE- SPECIALIZED ACQUISITIONS AND OPERATIONS SECURITY SUPPORT | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. Virginia | Department of Defense Department of the Air Force | — | HERNDON, VA-11 | 2024 | $249,968,253 |
CONT_AWD_80JSC017C0015_8000_-NONE-_-NONE- INTERNATIONAL SPACE STATION PROGRAM'S CARGO MISSION CONTRACT 3 | LEIDOS, INC. Maryland | National Aeronautics and Space Administration National Aeronautics and Space Administration | — | HOUSTON, TX-36 | 2024 | $237,516,176 |
CONT_AWD_89303020CEA000004_8900_-NONE-_-NONE- INCREMENTAL FUNDING: SPECIALIZED TECHNICAL AND ADMINISTRATIVE SUPPORT SERVICES FOR THE OFFICE OF ENTERPRISE ASSESSMENTS. | UNWIN CO Ohio | Department of Energy Department of Energy | — | COLUMBUS, OH-03 | 2024 | $214,422,540 |
CONT_AWD_7200AA19C00080_7200_-NONE-_-NONE- THE PURPOSE OF MODIFICATION P00017 IS TO RE-DESIGNATE THE COR FROM STEVE SHIRA TO AUTUMN GORMAN AND THE ALTERNATE COR FROM AUTUMN GORMAN TO STEVE SHIRA. | PALLADIUM INTERNATIONAL LLC District of Columbia | Agency for International Development Agency for International Development | — | WASHINGTON, DC-98 | 2024 | $192,495,847 |
CONT_AWD_NNJ10GA35C_8000_-NONE-_-NONE- CARGO MISSION CONTRACT (CMC2) | LEIDOS, INC. Maryland | National Aeronautics and Space Administration National Aeronautics and Space Administration | — | HOUSTON, TX-36 | 2024 | $186,986,405 |
CONT_AWD_GS04T09DBC0017_4735_-NONE-_-NONE- USER PRODUCTIVITY ENHANCEMENT TECHNOLOGY TRANSFER AND TRAINING (PETTT) MODIFICATION TO PROVIDE FUDNING FOR FINAL AUDITED RATES | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION Virginia | General Services Administration Federal Acquisition Service | — | LORTON, VA-11 | 2025 | $162,734,550 |
CONT_AWD_SAQMMA16F5521_1900_SAQMMA16D0106_1900 DIPLOMATIC SECURITY GLOBAL CANINE SERVICES CENTER WORLDWIDE PROTECTIVE SERVICES BUREAU OF DIPLOMATIC SECURITY US DEPARTMENT OF STATE | MICHAEL STAPLETON ASSOCIATES, LTD. New York | Department of State Department of State | — | WINCHESTER, VA-06 | 2024 | $131,061,745 |
CONT_AWD_HQ003417F0045_9700_HQ003413D0003_9700 POWER PROJECTION - SYSTEMS ENGINEERING AND TECHNICAL ANALYSIS SUPPORT | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC Maryland | Department of Defense Washington Headquarters Services | — | LAUREL, MD-03 | 2024 | $107,794,839 |
CONT_AWD_N0002406C4204_9700_-NONE-_-NONE- UNDEFINITIZED ORDER | PHOENIX INTERNATIONAL, INC. Maryland | Department of Defense Defense Contract Management Agency | — | UPPER MARLBORO, MD-04 | 2024 | $106,741,664 |
CONT_AWD_N4740802F4965_9700_DEAM3699EE73682_8900 TASK ORDER N4740802F4965 MODIFICATION P00030 TO INCORPORATE FY25 FUNDING FOR THE PERFORMANCE PERIOD YEAR TWENTY (21) ANNUAL PAYMENT. | AMERESCO SELECT, INC. Massachusetts | Department of Defense Department of the Navy | — | QUANTICO, VA-07 | 2024 | $106,656,756 |
CONT_AWD_19AQMM22F3663_1900_19AQMM22D0110_1900 DIPLOMATIC SECURITY GLOBAL CANINE SERVICES CENTER WORLDWIDE PROTECTIVE SERVICES BUREAU OF DIPLOMATIC SECURITY US DEPARTMENT OF STATE EXERCISING OY3 AND INCREMENTAL FUNDING | MICHAEL STAPLETON ASSOCIATES, LTD. New York | Department of State Department of State | — | WINCHESTER, VA-06 | 2024 | $105,015,476 |
CONT_AWD_DTRTVT2003_6901_DTRT5712D30003_6901 TMIS AIR TRAFFIC SYSTEMS MANAGEMENT AND ENGINEERING SUPPORT MODIFICATION TO DEOBLIGATE REMAINING FUNDS AND CLOSE THE TASK ORDER. | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION Virginia | Department of Transportation Immediate Office of the Secretary of Transportation | — | WASHINGTON, DC-98 | 2024 | $103,299,736 |
CONT_AWD_DEAR0000154_8900_-NONE-_-NONE- ***** THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE EXCESS ARPA-E FY2018 FUNDING IN THE AMOUNT OF $9,102.11. FUNDING IS HEREBY DECREASED FROM $98,911,062.64 BY $9,102.11 TO… | BOOZ ALLEN HAMILTON INC Virginia | Department of Energy Department of Energy | — | WASHINGTON, DC-98 | 2024 | $98,731,772 |
CONT_AWD_72012124C00001_7200_-NONE-_-NONE- HARVEST | DOMESTIC AWARDEES (UNDISCLOSED) District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $98,416,960 |
CONT_AWD_W91CRB06C0040_9700_-NONE-_-NONE- LAW ENFORCEMENT PERSONNEL | ENGILITY LLC Virginia | Department of Defense Defense Contract Management Agency | — | RESTON, VA-11 | 2024 | $94,217,282 |
CONT_AWD_FA448410F0001_9700_DEAM3699EE73682_8900 AMERESCO - ADD FAR CLAUSE | AMERESCO SELECT, INC. Massachusetts | Department of Defense Department of the Air Force | — | TRENTON, NJ-03 | 2024 | $93,407,122 |
CONT_AWD_W91CRB14C0048_9700_-NONE-_-NONE- SWORD PROGRAM OFFICE (SPMO) SUPPORT | BOOZ ALLEN HAMILTON INC Virginia | Department of Defense Department of the Army | — | — | 2024 | $93,396,890 |
CONT_AWD_SAQMMA17F2509_1900_SAQMMA17D0129_1900 TRAINING SERVICES | PAE GOVERNMENT SERVICES, INC. Virginia | Department of State Department of State | — | — | 2024 | $92,800,317 |
CONT_AWD_HR001122C0073_9700_-NONE-_-NONE- PROGRAM SECURITY SERVICES | SYSTEM HIGH CORPORATION Virginia | Department of Defense Defense Advanced Research Projects Agency | — | ARLINGTON, VA-08 | 2024 | $91,201,714 |
CONT_AWD_HR001112C0024_9700_-NONE-_-NONE- SERVICE CONTRACTS | SYSTEM HIGH CORPORATION Virginia | Department of Defense Defense Contract Management Agency | — | CHANTILLY, VA-11 | 2025 | $89,646,284 |
CONT_AWD_W91CRB09C0023_9700_-NONE-_-NONE- ESTIMATED COST PLUS FIXED FEE | BOOZ ALLEN HAMILTON INC Virginia | Department of Defense Department of the Army | — | — | 2024 | $81,955,452 |
CONT_AWD_SAQMMA17F2550_1900_SAQMMA17D0129_1900 TRAINING SERVICES | PAE GOVERNMENT SERVICES, INC. Virginia | Department of State Department of State | — | — | 2024 | $80,226,784 |
CONT_IDV_HHSO100201700022C_7505 BIODOSIMETRY HIGH-THROUGHPUT DIAGNOSTIC TESTS | ASELL, LLC Maryland | Department of Health and Human Services Office of Assistant Secretary for Preparedness and Response | — | — | 2024 | $76,944,255 |
CONT_AWD_75FCMC19F0001_7530_75FCMC18D0042_7530 MEASURE AND INSTRUMENT DEVELOPMENT AND SUPPORT (MIDS) TASK ORDER DEVELOPMENT, REEVALUATION AND IMPLEMENTATION OF OUTCOME EFFICIENCY MEASURES FOR HOSPITAL AND ELIGIBLE CLINICIANS. | YALE NEW HAVEN HEALTH SERVICES CORPORATION Connecticut | Department of Health and Human Services Centers for Medicare and Medicaid Services | — | NEW HAVEN, CT-03 | 2025 | $76,208,472 |
CONT_AWD_AID674C1700002_7200_-NONE-_-NONE- SAEP. THE PURPOSE OF MODIFICATION NO. 13 IS TO I) ADD FY24 INDIRECT RATES; II) REALIGN THE CONTRACT BUDGET; III) REVISE VARIOUS KEY PERSONNEL; IV) UPDATE THE COR CONTACT DETAILS;… | DELOITTE CONSULTING LLP Virginia | Agency for International Development Agency for International Development | — | — | 2024 | $74,955,372 |
CONT_AWD_72012121F00002_7200_72012121D00001_7200 SOERA TASK ORDER 1 | DOMESTIC AWARDEES (UNDISCLOSED) District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $72,869,044 |
CONT_AWD_AID514C1700002_7200_-NONE-_-NONE- THE PURPOSE OF THIS MODIFICATION IS TO DESUBOBLIGATE $351,493.33 OF UNUSED FUNDS THEREBY DECREASING THE TOTAL OBLIGATED AMOUNT FROM $70,463,707.00 TO $70,112,213.67 AND TO ADMI… | FINTRAC INC District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $70,112,214 |
CONT_AWD_SAQMMA17F2551_1900_SAQMMA17D0129_1900 TRAINING SERVICES | PAE GOVERNMENT SERVICES, INC. Virginia | Department of State Department of State | — | — | 2024 | $69,122,045 |
CONT_AWD_HQ014716C0037_9700_-NONE-_-NONE- SECURITY PROGRAMS SUPPORT | SYSTEM HIGH CORPORATION Virginia | Department of Defense Missile Defense Agency | — | MCLEAN, VA-11 | 2024 | $69,085,094 |
CONT_AWD_N6247307F4005_9700_DEAC05990R22704_8900 NAS OCEANA DAM NECK ANNEX ESPC FUNDING MODIFICATION FOR PERFORMANCE PERIOD YEAR 17. | TRANE, DIV AMERICAN STANDARD Wisconsin | Department of Defense Department of the Navy | — | VIRGINIA BEACH, VA-02 | 2024 | $68,273,007 |
CONT_AWD_72052018C00001_7200_-NONE-_-NONE- CONTRACT NO. 72052018C00001 WITH PALLADIUM - TO REALIGN THE BUDGET OF THE CONTRACT AS PER THE ATTACHED SUPPORTING DOCUMENTS. THIS ACTION WILL NOT HAVE ANY IMPLICATIONS ON THE OVER… | PALLADIUM INTERNATIONAL LLC District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $67,129,977 |
CONT_AWD_FA881912C0001_9700_-NONE-_-NONE- SPECIALIZED ACQUISITIONS SECURITY SERVICES | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. Virginia | Department of Defense Defense Contract Management Agency | — | HERNDON, VA-11 | 2024 | $66,969,289 |
CONT_AWD_FA564125F0021_9700_FA564121D0002_9700 ABAD TASK ORDER 5 | PARSONS GOVERNMENT SERVICES INC. Virginia | Department of Defense Department of the Air Force | — | — | 2025 | $65,945,786 |
CONT_AWD_140D0421F0589_1406_140D0421D0007_1406 CLINICAL REPORTING AND RESEARCH INFORMATICS (CRRI) | ESSEX MANAGEMENT LLC Vermont | Department of the Interior Departmental Offices | — | BETHESDA, MD-08 | 2024 | $57,493,936 |
CONT_AWD_FA882317C0003_9700_-NONE-_-NONE- EXTEND THE PERIOD OF PERFORMANCE ON 11 CONTRACT LINE ITEM NUMBERS TO 31 JANUARY 2025. | LOCKHEED MARTIN CORP Pennsylvania | Department of Defense Department of the Air Force | — | KING OF PRUSSIA, PA-05 | 2024 | $55,616,001 |
CONT_AWD_SAQMMA17F2553_1900_SAQMMA17D0137_1900 TRAINING SERVICES | IDS INTERNATIONAL, LLC Virginia | Department of State Department of State | — | — | 2024 | $54,919,150 |
CONT_AWD_72029422C00003_7200_-NONE-_-NONE- EGNI - MEPPA BUILDING REGIONAL ECONOMIC BRIDGES (BREB) ACTIVITY. | CHEMONICS INTERNATIONAL, INC. District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $53,000,000 |
CONT_AWD_72011721C00001_7200_-NONE-_-NONE- THE FUTURE TECHNOLOGIES ACTIVITY (FTA)INCREMENTAL FUNDING | CHEMONICS INTERNATIONAL, INC. District of Columbia | Agency for International Development Agency for International Development | — | — | 2024 | $51,597,727 |
CONT_AWD_SAQMMA17F2552_1900_SAQMMA17D0137_1900 TRAINING SERVICES | IDS INTERNATIONAL, LLC Virginia | Department of State Department of State | — | — | 2024 | $50,648,108 |
CONT_AWD_89243320CAU000001_8900_-NONE-_-NONE- CLASSIFICATION SUPPORT SERVICES (CSS) - THE PURPOSE OF MOD P00032 IS TO EXERCISE OPTION YEAR 4 AND ADD FUNDING IN THE AMOUNT OF $1,000,000.00. | GLOBAL ENGINEERING & TECHNOLOGY INC Florida | Department of Energy Department of Energy | — | WASHINGTON, DC-98 | 2024 | $50,530,354 |
CONT_AWD_HQ085822C0007_9700_-NONE-_-NONE- DEI LABOR | SYSTEM HIGH CORPORATION Virginia | Department of Defense Missile Defense Agency | — | CHANTILLY, VA-11 | 2024 | $49,025,152 |
CONT_AWD_DJF141200P0005318_1549_DJFJFBI12128_1549 FFRDC SUPPORT SERVICES MITRE TO 18 | THE MITRE CORPORATION Virginia | Department of Justice Federal Bureau of Investigation | — | MCLEAN, VA-11 | 2025 | $44,690,088 |
CONT_AWD_NNG10AZ01D_8000_DEAM3699EE73682_8900 EO14042 THIS CONTRACT IS FOR THE SUPPLY AND INSTALLATION OF ENERGY CONSERVATION MEASURES (ECMS) TO THE FOLLOWING: ECM 1, HIGH EFFICIENCY LIGHTING RETROFITS ECM 2, BOILER DECENTRA… | AMERESCO SELECT, INC. Massachusetts | National Aeronautics and Space Administration National Aeronautics and Space Administration | — | WALLOPS ISLAND, VA-02 | 2024 | $44,166,100 |
CONT_AWD_HDTRA117C0019_9700_-NONE-_-NONE- SCIENTIFIC AND TECHNICAL PARTNERSHIP PROGRAM | LEIDOS, INC. Virginia | Department of Defense Defense Threat Reduction Agency | — | RESTON, VA-11 | 2024 | $43,563,698 |
CONT_AWD_DEDT0013030_8900_DEET0000001_8900 THE PURPOSE OF THIS MODIFICATION IS TO EXERCISE EXTENSION PERIODS OF PERFORMANCE FOR AN ADDITIONAL 12 MONTHS AND OBLIGATE $950,000.00 IN INCREMENTAL FUNDING. | DEPENDABLE GLOBAL SOLUTIONS, LLC Virginia | Department of Energy Department of Energy | — | WASHINGTON, DC-98 | 2024 | $43,449,168 |
CONT_AWD_70T01021F6100N001_7013_70T01021D7670N001_7013 THE PURPOSE OF THIS MODIFICATION IS TO OBLIGATE FUNDING IN SUPPORT OF OPTION PERIOD 4 AND INCORPORATE UPDATED IT CLAUSES. | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. Virginia | Department of Homeland Security Transportation Security Administration | — | FALLS CHURCH, VA-08 | 2024 | $42,926,592 |
CONT_AWD_H9240022C0002_9700_-NONE-_-NONE- LABOR | VANTOR SERVICES INC. Virginia | Department of Defense U.S. Special Operations Command | — | TAMPA, FL-14 | 2024 | $42,278,831 |
Top 50 awards shown, ranked by obligated amount. Dates reflect performance period; last-modified dates match USAspending.gov. Complete listings include all transaction history going back to FY2024.
Source: USAspending.gov · All Industries