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NAICS 541990 federal contractors and awards

All Other Professional, Scientific, and Technical Services. Use this page to find visible federal contractors, agencies, and federal award concentration tied to this industry code.

Category code: 541990
Last updated: April 6, 2026

Visible recipients

88

Mapped obligations

$23,147,029,611

Buyer overlap

5

Category overview

How to use this NAICS page

Find the main contractors

Use the recipient list below when the goal is to see which companies show the clearest public footprint in this industry code.

Find the main buyers

Use buyer overlap in the sidebar to move from industry code to agencies that appear most often around this lane.

Branch into deeper profiles

Recipient and agency links are the fastest next click when this code is only the starting point for broader market research.

Top recipients

Recipients most visible in this category

Optumserve Health Services, Inc.

La Crosse, WI

Top buyer: Department of Veterans AffairsRecent award: 2026-01-01
$29,100,187

Mantech Telecommunications And Information Systems Corporation

Fairfax, VA

Top buyer: Department of DefenseRecent award: 2014-10-01
$10,122,169

Deloitte Consulting LLP

Arlington, VA

Top buyer: Department of DefenseRecent award: 2026-04-06
$1,127,451,787

Caci Premier Technology, LLC

Chantilly, VA

Top buyer: Office of Personnel ManagementRecent award: 2019-10-01
$10,159,764

Mantech Systems Engineering Corporation

Fairfax, VA

Top buyer: Department of DefenseRecent award: 2016-10-31
$3,966,572

Amentum Government Services, Inc.

Chantilly, VA

Top buyer: Department of DefenseRecent award: 2017-09-29
$237,693,939

The Mitre Corporation

Mc Lean, VA

Top buyer: Department of DefenseRecent award: 2026-04-01
$9,979,957,840

Leidos Biomedical Research INC

Frederick, MD

Top buyer: Department of Health and Human ServicesRecent award: 2025-09-30
$2,016,386

Caci Intelligence Solutions, LLC

Herndon, VA

Top buyer: Department of DefenseRecent award: 2016-06-30
$276,730,312

Ecs Federal, LLC

Fairfax, VA

Top buyer: Department of DefenseRecent award: 2026-02-20
$268,767,158

Aecom Recovery

Arlington, VA

Top buyer: Department of Homeland SecurityRecent award: 2022-07-01
$70,000

Modern Technology Solutions, Inc.

Alexandria, VA

Top buyer: General Services AdministrationRecent award: 2026-07-01
$47,241,939

Amentum National Security Programs, INC

Chantilly, VA

Top buyer: Department of DefenseRecent award: 2018-09-26
$205,207,342

Cae USA Mission Solutions Inc.

Tampa, FL

Top buyer: Department of DefenseRecent award: 2021-07-19
$16,276,568

Westat, Inc.

Bethesda, MD

Top buyer: Department of Health and Human ServicesRecent award: 2026-04-01
$814,483,185

Applied Research Associates, Inc.

Albuquerque, NM

Top buyer: Department of DefenseRecent award: 2027-05-15
$234,311,642

Systems Planning And Analysis, Inc.

Alexandria, VA

Top buyer: Department of DefenseRecent award: 2025-12-29
$289,742,292

Cognosante Mvh LLC

Arlington, VA

Top buyer: Department of Veterans AffairsRecent award: 2026-02-01
$36,459,384

Noblis, Inc.

Reston, VA

Top buyer: Department of TransportationRecent award: 2026-10-01
$237,683,736

Aar Government Services, Inc.

Wood Dale, IL

Top buyer: Department of DefenseRecent award: 2025-12-30
$28,645,341

Aecom Energy & Construction, Inc.

Greenwood Village, CO

Top buyer: Department of DefenseRecent award: 2018-04-13
$7,661,197

Credence Management Solutions Limited Liability Company

Mclean, VA

Top buyer: Department of DefenseRecent award: 2026-01-01
$84,831,176

Govcio, LLC

Fairfax, VA

Top buyer: Department of Veterans AffairsRecent award: 2026-05-01
$79,266

Sos International LLC

Reston, VA

Top buyer: Department of DefenseRecent award: 2026-03-25
$123,598,085

Peraton Risk Decision Inc.

Loveland, CO

Top buyer: Office of Personnel ManagementRecent award: 2026-02-14
$13,322,159

Axle Informatics, LLC

North Bethesda, MD

Top buyer: Department of Health and Human ServicesRecent award: 2026-03-12
$274,296,881

Guidehouse LLP

Mc Lean, VA

Top buyer: Department of StateRecent award: 2026-04-01
$441,292,503

Index Analytics LLC

Windsor Mill, MD

Top buyer: Department of Health and Human ServicesRecent award: 2026-02-13
$10,000

Siemens Government Technologies INC

Arlington, VA

Top buyer: Department of DefenseRecent award: 2026-03-01
$535,381,114

Asrc Federal Technology Solutions, LLC

Reston, VA

Top buyer: Department of DefenseRecent award: 2026-03-09
$31,958,000

Mathematica Inc.

Princeton, NJ

Top buyer: Department of Health and Human ServicesRecent award: 2026-04-01
$93,508,977

Asrc Federal Field Services, LLC

Beltsville, MD

Top buyer: Department of Homeland SecurityRecent award: 2026-04-01
$8,392,024

Sparksoft Corporation

Columbia, MD

Top buyer: Department of Health and Human ServicesRecent award: 2025-03-06
$9,527,032

Planned Systems International INC

Columbia, MD

Top buyer: Department of DefenseRecent award: 2025-12-29
$74,254,619

Qlarant Integrity Solutions LLC

Easton, MD

Top buyer: Department of Health and Human ServicesRecent award: 2020-06-29
$962,489,069

Cdm Smith Inc.

Carlsbad, CA

Top buyer: Department of DefenseRecent award: 2026-02-23
$6,797,066

Semanticbits LLC

Reston, VA

Top buyer: Department of Health and Human ServicesRecent award: 2026-02-03
$15,000

Reli Group INC

Windsor Mill, MD

Top buyer: Department of Health and Human ServicesRecent award: 2026-02-15
$53,231,942

Acumen LLC

Burlingame, CA

Top buyer: Department of Health and Human ServicesRecent award: 2026-03-26
$4,405,711

Akima Systems Engineering LLC

Herndon, VA

Top buyer: Department of DefenseRecent award: 2026-03-20
$16,838,740

Mantech Srs Technologies, Inc.

Herndon, VA

Top buyer: Department of DefenseRecent award: 2025-09-22
$166,534,521

Calibre Systems INC

Alexandria, VA

Top buyer: Department of DefenseRecent award: 2026-05-18
$664,058,066

Noblis Msd LLC

Philadelphia, PA

Top buyer: Department of DefenseRecent award: 2025-12-29
$12,302,649

Black & Veatch Special Projects Corp.

Overland Park, KS

Top buyer: Department of DefenseRecent award: 2025-12-15
$445,375,044

Technical Resources International, Inc.

Bethesda, MD

Top buyer: Department of Health and Human ServicesRecent award: 2025-08-01
$111,271,824

Coforma LLC

Rockville, MD

Top buyer: Department of Veterans AffairsRecent award: 2025-12-15
$3,279,685

Jbs International, Inc.

Rockville, MD

Top buyer: Department of Health and Human ServicesRecent award: 2026-03-28
$374,578,332

Attainx Inc.

Herndon, VA

Top buyer: Department of AgricultureRecent award: 2026-03-25
$3,416,766

The Lewin Group, Inc.

La Crosse, WI

Top buyer: Department of Health and Human ServicesRecent award: 2026-04-01
$29,836,113

Goldbelt C6, LLC

Chesapeake, VA

Top buyer: Department of Health and Human ServicesRecent award: 2026-04-01
$118,404,352

Abt Associates International Inc.

Rockville, MD

Top buyer: Agency for International DevelopmentRecent award: 2018-08-01
$40,076,554

Asrc Federal Professional Services, LLC

Beltsville, MD

Top buyer: Department of DefenseRecent award: 2027-01-31
$31,554,661

Peraton Labs INC

Basking Ridge, NJ

Top buyer: Department of DefenseRecent award: 2025-08-21
$23,564,064

Technatomy Corporation

Fairfax, VA

Top buyer: Department of Veterans AffairsRecent award: 2026-03-03
$27,286,932

Social & Scientific Systems, Inc.

Silver Spring, MD

Top buyer: Department of Health and Human ServicesRecent award: 2024-06-01
$120,720,147

Prescient Edge Corporation

Mc Lean, VA

Top buyer: General Services AdministrationRecent award: 2026-02-01
$518,794

Prometheus Federal Services LLC

Chantilly, VA

Top buyer: Department of Veterans AffairsRecent award: 2026-04-01
$10,605,290

Lcg Systems LLC

Rockville, MD

Top buyer: Department of Health and Human ServicesRecent award: 2025-06-16
$24,565

Riverside Research Institute

New York, NY

Top buyer: Department of DefenseRecent award: 2026-01-05
$238,834,639

Concept Plus, LLC

Fairfax, VA

Top buyer: Department of DefenseRecent award: 2026-03-15
$24,370,468

Fedwriters, Inc.

Fairfax, VA

Top buyer: Department of CommerceRecent award: 2026-03-24
$12,455,714

Bixal Solutions Incorporated

Rileyville, VA

Top buyer: Department of Health and Human ServicesRecent award: 2026-03-25
$26,130,278

Caci Enterprise Solutions, LLC

Chantilly, VA

Top buyer: Department of DefenseRecent award: 2025-04-10
$33,032,727

Parsons Government Services International Inc.

Pasadena, CA

Top buyer: Department of DefenseRecent award: 2025-09-11
$358,529,656

Abt Global LLC

Cambridge, MA

Top buyer: Agency for International DevelopmentRecent award: 2026-02-11
$2,625,300,409

Eccalon, LLC

Hanover, MD

Top buyer: Department of DefenseRecent award: 2024-06-01
-$3,329

Fedpoint Systems LLC

Fairfax, VA

Top buyer: Department of Health and Human ServicesRecent award: 2026-07-07
$30,379,098

Livanta LLC

Virginia Beach, VA

Top buyer: Department of Health and Human ServicesRecent award: 2021-02-12
$7,596,212

Msm Technology LLC

Quantico, VA

Top buyer: Department of DefenseRecent award: 2026-01-28
$1,185,382

Lantana Consulting Group, INC

East Thetford, VT

Top buyer: Department of Health and Human ServicesRecent award: 2025-08-02
$31,317,338

Netimpact Strategies INC

Herndon, VA

Top buyer: Department of DefenseRecent award: 2025-07-09
$8,154,043

Healthcare Management Solutions, LLC

Fairmont, WV

Top buyer: Department of Health and Human ServicesRecent award: 2024-08-29
$6,281,479

Asrc Federal Data Networx, LLC

Beltsville, MD

Top buyer: Department of AgricultureRecent award: 2024-05-29
$939,754

Aveshka, Inc.

Vienna, VA

Top buyer: Department of Health and Human ServicesRecent award: 2026-02-19
$89,195,060

Koniag Technology Solutions INC

Anchorage, AK

Top buyer: Social Security AdministrationRecent award: 2026-04-01
$13,948,048

Venesco LLC

Chantilly, VA

Top buyer: Department of DefenseRecent award: 2025-09-04
$34,824,215

Amentum Environment & Energy, Inc.

Aiken, SC

Top buyer: Department of EnergyRecent award: 2025-08-14
$37,098,500

Insight Policy Research, Inc.

Arlington, VA

Top buyer: Department of Health and Human ServicesRecent award: 2023-09-29
$5,873,185

Health Management Associates, Inc.

Naples, FL

Top buyer: Department of Veterans AffairsRecent award: 2024-05-01
$188,990

Altarum Institute

Novi, MI

Top buyer: Department of Health and Human ServicesRecent award: 2025-06-25
$43,945,399

Abt Associates INC

"boston ", MA

Top buyer: Agency for International DevelopmentRecent award: 2021-09-15
$39,095,003

Ipro Tech LLC

Tempe, AZ

Top buyer: Department of JusticeRecent award: 2026-05-05
$566,620

Vighter LLC

San Antonio, TX

Top buyer: Department of Homeland SecurityRecent award: 2025-07-01
$258,513

Cardinal Health 127 INC

Dublin, OH

Top buyer: Department of Health and Human ServicesRecent award: 2021-09-27
$796,753

Medical Science & Computing, LLC

Rockville, MD

Top buyer: Department of Health and Human ServicesRecent award: 2026-02-24
$626,053,126

Technical Assent, LLC

Arlington, VA

Top buyer: Department of Veterans AffairsRecent award: 2025-09-30
$1,345,421

Nv5 Consultants, Inc.

Saint Paul, MN

Top buyer: Department of StateRecent award: 2024-04-04
$13,287,223

Leidos Management Systems Designers, Inc.

Gaithersburg, MD

Top buyer: Department of the TreasuryRecent award: 2019-03-29
$54,663,224