Top NASA engineering services contractors
In the 12 months ending Oct 5, 2026, the National Aeronautics and Space Administration obligated $675.7M in net prime contract dollars under NAICS 541330, down 11.0% from $759.3M in the preceding 12 months. 105 prime contractors received positive obligations, and 13 of them accounted for 80% of that spend.
Prime contracts funded by the National Aeronautics and Space Administration. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top NASA contractors for NAICS 541330
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | KBR Wyle Services, LLC | $142.2M | $155.5M | 21.0% | — |
| 2 | Peraton Inc. | $100.0M | $140.3M | 14.8% | — |
| 3 | Leidos, Inc. | $60.8M | $49.4M | 9.0% | ▲ 1 |
| 4 | Booz Allen Hamilton Inc | $49.8M | $58.0M | 7.3% | ▼ 1 |
| 5 | OPR LLC | $36.7M | $29.0M | 5.4% | ▲ 2 |
| 6 | Lockheed Martin Integrated Systems, LLC | $25.9M | $23.6M | 3.8% | ▲ 5 |
| 7 | Agile Decision Sciences, LLC | $22.2M | $25.4M | 3.3% | ▲ 3 |
| 8 | Amentum Services, Inc. | $20.4M | $27.6M | 3.0% | — |
| 9 | Southwest Research Institute | $20.0M | $26.7M | 2.9% | — |
| 10 | Tesla Laboratories Inc. | $18.8M | $4.9M | 2.8% | ▲ 13 |
| 11 | Halvik LLC | $18.7M | $34.3M | 2.8% | ▼ 6 |
| 12 | Ares Technical Services Corporation | $16.7M | $12.7M | 2.5% | ▲ 3 |
| 13 | Victory Solutions, LLC | $16.1M | $16.7M | 2.4% | ▲ 1 |
| 14 | Jacobs Engineering Group Inc. | $13.3M | $7.6M | 2.0% | ▲ 4 |
| 15 | Science Applications International Corporation | $11.3M | $29.3M | 1.7% | ▼ 9 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Tesla Laboratories Inc.$4.9M → $18.8M (+$13.9M) · now #10
- Leidos, Inc.$49.4M → $60.8M (+$11.4M) · now #3
- Metis Flight Research Associates, LLC−$8.1M → −$17K (+$8.1M) · no latest-period obligations
Largest declines
- Peraton Inc.$140.3M → $100.0M (−$40.3M) · now #2
- Science Applications International Corporation$29.3M → $11.3M (−$18.0M) · now #15
- Halvik LLC$34.3M → $18.7M (−$15.5M) · now #11
New to this market
40 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| The Charles Stark Draper Laboratory, Inc. | Feb 3, 2026 | $3.1M |
| The Johns Hopkins University Applied Physics Laboratory LLC | May 28, 2026 | $1.5M |
| Lockheed Martin Corp | May 27, 2026 | $1.5M |
| Regents of the University of Michigan | May 28, 2026 | $1.4M |
| Horiba Instruments Incorporated | Jan 22, 2026 | $1.0M |
| Aalyria Technologies, Inc. | Apr 14, 2026 | $710K |
| Odyssey Space, LLC | Dec 2, 2025 | $421K |
| Sparc Research LLC | Mar 24, 2026 | $350K |
Where the money comes from
Funding sub-agencies within the National Aeronautics and Space Administration, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| National Aeronautics and Space Administration | $675.7M | $759.3M | Down $83.6M (11.0%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 80KSC023CA003 | A-P-T Research, Inc. SAFETY AND MISSION ASSURANCE SUPPORT SERVICES (SMASS) IV | $30.7M | Nov 30, 2026 |
| 80TECH22FA001 | Halvik LLC E014042 NASA SITSS-THE SCOPE OF SERVICES SUPPORT SOLUTIONS FOR ENTERPRISE-WIDE PROCUREMENT (SEWP): BUSINESS SUPPORT, PROGRAM LEVEL SUPPORT, CUSTOMER SUPPORT, CONTRACT HOLDER… | $133.0M | Nov 30, 2026 |
| 80GSFC19C0072 | OPR LLC FLIGHT DYNAMICS SUPPORT SERVICES III (FDSS). THIS CONTRACT IS FOR, BUT NOT LIMITED TO SOFTWARE ENGINEERING SUPPORT, FLIGHT DYNAMICS FACILITY OPERATIONS SUPPORT, FLIGHT DYNAMICS… | $162.4M | Apr 30, 2027 |
| 80GSFC22CA020 | KBR Wyle Services, LLC GROUND SYSTEMS AND MISSION OPERATIONS (GSMO-3) | $678.7M | May 31, 2027 |
| 80GSFC22CA019 | Peraton Inc. OPERATIONS AND MANAGEMENT OF THE NASA BALLOON FACILITY | $183.4M | Sep 30, 2027 |
| NNG11FC20C | Lockheed Martin Integrated Systems, LLC THE MOSES II EFFORT IS A FIVE-YEAR SOLE-SOURCE FOLLOW-ON CONTRACT TO MAINTAIN THE HEALTH AND SAFETY OF THE HST OBSERVATORY THROUGH THE NEXT PHASE OF ITS SCIENCE MISSION. THE… | $117.5M | Sep 30, 2027 |
| 80GSFC22CA049 | Science Applications International Corporation SYSTEMS AND SOFTWARE ASSURANCE SERVICES 2 (SAS2) THE PRINCIPLE PURPOSE OF THIS CONTRACT IS TO ACQUIRE SYSTEMS AND SOFTWARE ASSURANCE SERVICES, INCLUDING IV&V AND SAFETY AND… | $108.3M | Sep 30, 2027 |
| 80KSC019C0016 | Ares Technical Services Corporation KENNEDY EXPLORATION GROUND SYSTEMS (EGS) PROGRAM (LX) SUPPORT SERVICES CONTRACT THREE (KLXS III). | $86.5M | Sep 30, 2027 |
| 80GSFC18C0014 | Southwest Research Institute UNDER THIS CONTRACT, THE CONTRACTOR WILL PROVIDE THE PERSONNEL, MATERIALS, EQUIPMENT, AND FACILITIES NECESSARY TO PRODUCE THE POLARIMETER TO UNIFY THE CORONA HELIOSPHERE (PUNCH)… | $29.4M | Dec 2, 2027 |
| 80JSC023FA010 | S&K Engineering and Research, LLC ENGINEERING SERVICES | $26.2M | Dec 31, 2027 |
Common questions
Who are the top NASA contractors for NAICS 541330?
In the latest 12 months, KBR Wyle Services, LLC ($142.2M), Peraton Inc. ($100.0M), Leidos, Inc. ($60.8M) received the most NASA obligations for engineering services.
How concentrated is this market?
The eight largest primes held 67.6% of positive obligations, and KBR Wyle Services, LLC alone held 21.0%. 40 contractors won their first obligations in this market during the latest 12 months.
Are any large NASA NAICS 541330 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 80KSC023CA003 (A-P-T Research, Inc., $30.7M obligated), ending Nov 30, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$206.2MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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