ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES — Federal Contractors (NAICS code 541990)
52 federal contractors under NAICS 541990 — ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES are published on this site, with $24.70B in combined obligations on file. The largest are Sierra Nevada COMPANY, LLC, Oak Ridge Associated Universities, INCORPORATED, and Dai Global LLC.
| Contractor | State | Obligations on file | Top agency |
|---|---|---|---|
| Sierra Nevada COMPANY, LLC | NV | $3.85B | Department of Defense |
| Oak Ridge Associated Universities, INCORPORATED | TN | $2.05B | Department of Energy |
| Dai Global LLC | MD | $2.01B | Agency for International Development |
| Aevex Aerospace, LLC | CA | $1.45B | Department of Defense |
| Institute for Defense Analyses | VA | $1.36B | Department of Defense |
| Abt Global LLC | MD | $1.10B | Agency for International Development |
| Ptsi Managed Services INC | CA | $897.0M | Department of Transportation |
| Abt Global LLC | MA | $818.3M | Agency for International Development |
| Ard, INC. | VT | $678.1M | Agency for International Development |
| Calibre Systems INC | VA | $622.8M | Department of Defense |
| The Cna CORPORATION | VA | $612.4M | Department of Defense |
| Strategic Analysis, INC. | VA | $564.7M | Department of Defense |
| Medical Science & Computing, LLC | MD | $551.9M | Department of Health and Human Services |
| Palladium International LLC | DC | $536.0M | Agency for International Development |
| Tuvli LLC | VA | $433.6M | Department of State |
| Goldbelt C6, LLC | VA | $380.2M | Department of Health and Human Services |
| Poplicus INCORPORATED | VA | $342.9M | Department of Defense |
| Culmen International, LLC | VA | $336.8M | Department of Defense |
| Creative Associates International, INC. | MD | $327.3M | Agency for International Development |
| Eagle Integrated Services, LLC | TX | $319.2M | Department of Defense |
| Education Development Center, INC. | MA | $290.1M | Agency for International Development |
| Dt Global INC | DC | $281.7M | Agency for International Development |
| Tetra Tech Es, INC. | VA | $280.5M | Agency for International Development |
| Hendall INC | MD | $269.8M | Department of Health and Human Services |
| Celeen LLC | CT | $267.0M | Department of Defense |
| Accenture Federal Services LLC | VA | $263.9M | Department of Defense |
| Kaiser Foundation Hospitals | CA | $253.7M | Department of Health and Human Services |
| Gzo, INC. | TX | $250.9M | Department of Defense |
| Connected Alliances LLC | NH | $241.9M | Department of Defense |
| Tanaq Support Services, LLC | AK | $240.4M | Department of Health and Human Services |
| Dexis Interactive LLC | DC | $239.1M | Agency for International Development |
| Kapili Services, LLC | FL | $203.7M | Department of Defense |
| Nathan Associates LLC | VA | $173.8M | Agency for International Development |
| Icf Macro INC | VA | $171.6M | Agency for International Development |
| Laulima Government Solutions, LLC | FL | $170.1M | Department of Health and Human Services |
| People, Technology and Processes, LLC | FL | $168.1M | Department of Defense |
| Cherokee Nation Integrated Health, L.L.C. | OK | $167.1M | Department of Defense |
| Blue Water Thinking,llc | MD | $150.6M | Department of Veterans Affairs |
| Mpf-Zai Solutions LLC | MD | $133.9M | Department of Health and Human Services |
| Nemean Solutions, LLC | AZ | $133.6M | Department of Defense |
| International Business Sales and Services CORP | MD | $126.3M | Department of Commerce |
| Rmgs INC | VA | $116.5M | Department of Defense |
| Asrt, INC. | GA | $109.7M | Department of Health and Human Services |
| Vets Synergetic Group LLC | VA | $102.2M | Department of Health and Human Services |
| Jyg Innovations LLC | OH | $94.5M | Department of Defense |
| Ocean Associates INC | VA | $91.4M | Department of Commerce |
| Cardinal Point Captains, INC. | CA | $89.0M | Department of Commerce |
| Capital Center for Credibility Assessment CORPORATION | VA | $84.3M | Department of Homeland Security |
| Bates White, LLC | DC | $82.0M | Department of the Treasury |
| Computational Physics, INC. | VA | $81.9M | Department of Defense |
| Areli, INC. | MD | $69.8M | Department of Defense |
| Redcastle Resources INC | UT | $52.5M | Department of Agriculture |
Obligations shown are net federal contract obligations from USAspending.gov, fiscal year(s) currently in this export. See the methodology page for inclusion rules and the publication threshold.