Where is the company registered?
101 COMMERCIAL WAY, TEHACHAPI, California 93561, United States
Registered location from SAM.gov; award performance locations may differ.
Federal contractor profile
SIERRA TECHNICAL SERVICES, INC.
UEI UYYHLJFW2GQ3CAGE 4HCA9Company website ↗
Active
Overview
- Legal name
- SIERRA TECHNICAL SERVICES, INC.
- Also known as
- SIERRA TECHNICAL SERVICES INC
- Registered location
- TEHACHAPI, CA, USA
- Website
- Company website ↗
- Primary NAICS
- 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Latest award activity
- Not available
Read company summary
SIERRA TECHNICAL SERVICES, INC. is associated with UEI UYYHLJFW2GQ3 and CAGE 4HCA9 in public federal records. AcornBids currently links 0 prime awards totaling $0 in obligations to this entity. Its primary SAM.gov NAICS is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). Its public SAM.gov registration lists TEHACHAPI, CA, USA.
At a glance
Lifetime prime obligations$0
Prime awards0
Awards with future end dates0
Top-agency concentration
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 6, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- SIERRA TECHNICAL SERVICES, INC.
- Doing business as
- SIERRA TECHNICAL SERVICES INC
- UEI
- UYYHLJFW2GQ3
- CAGE
- 4HCA9
- Registered address
- 101 COMMERCIAL WAY, TEHACHAPI, CA, 93561, USA
- Registration status
- Active
- Primary NAICS
- 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- SAM activation
- Sep 17, 2025
- Initial registration
- Aug 7, 2006
- Entity start
- Feb 22, 2006
- SAM updated
- Mar 12, 2026
- Registration expires
- Sep 15, 2026
- Fiscal year end
- Dec 31
- Place of incorporation
- CA, USA
Research brief
Source facts
- Loaded prime-award records link 0 awards and $0 in reported obligations to this legal entity. Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
No matching records in the loaded data.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Mar 12, 2026 |
| Source loaded | Sep 2, 2026 |
| Initial registration | Aug 7, 2006 |
| Entity start | Feb 22, 2006 |
| Industry | Reported size status |
|---|---|
| 332510 — Hardware Manufacturing | Not reported |
| 332993 — Ammunition (except Small Arms) Manufacturing | Not reported |
| 336411 — Aircraft Manufacturing | Not reported |
| 541330 — Engineering Services | Not reported |
| 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| KEVIN O'BRIEN | Government business | Contact method not published | SAM registration | Not available |
| MICHAEL FINK | Alternate government business | Contact method not published | SAM registration | Not available |
| MICHAEL FINK | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 332510 — Hardware Manufacturing
- 332993 — Ammunition (except Small Arms) Manufacturing
- 336411 — Aircraft Manufacturing
- 541330 — Engineering Services
- 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Reported subsidiary tree
Ownership follows reported parent UEIs.
- KRATOS DEFENSE & SECURITY SOLUTIONS, INC.UEI H6BWMHGJ5AF5
- GICHNER SYSTEMS GROUP, INC.UEI GL85ACATYXX5
- KRATOS ANTENNA SOLUTIONS CORPORATIONUEI WEPMW2JTJNS8
- KRATOS DEFENSE & ROCKET SUPPORT SERVICES, INC.UEI XF6AHNQFTXU5
- KRATOS SYSTEMS AND SOLUTIONS, INC.UEI U36PKJPTFTD8
- CAES MISSION SYSTEMS LLCUEI ZQJ2U2BRUB15
- FLORIDA TURBINE TECHNOLOGIES, INC.UEI EJ5QQHF7B1P6
- KRATOS S1, INC.UEI EL87FVGWGUL3
- SIERRA TECHNICAL SERVICES, INC.UEI UYYHLJFW2GQ3
- TECHNICAL DIRECTIONS, INC.UEI NDDZLKM1CBK7
- KRATOS TECHNOLOGY & TRAINING SOLUTIONS, INC.UEI FLLRPTP8S7N4
- MADISON RESEARCH CORPORATIONUEI L33UNUEYGLE3
- SUMMIT RESEARCH CORPORATIONUEI JC1PU56JBEG1
Corporate family
Reported ownership links. Award and funding explorers can include this family.
| Legal entity | Reported parent UEI | Source loaded |
|---|---|---|
| KRATOS DEFENSE & SECURITY SOLUTIONS, INC. | — | Sep 2, 2026 |
| CAES MISSION SYSTEMS LLC | U36PKJPTFTD8 | Sep 19, 2026 |
| FLORIDA TURBINE TECHNOLOGIES, INC. | U36PKJPTFTD8 | Sep 26, 2026 |
| GICHNER SYSTEMS GROUP, INC. | H6BWMHGJ5AF5 | Sep 26, 2026 |
| KRATOS ANTENNA SOLUTIONS CORPORATION | H6BWMHGJ5AF5 | Sep 26, 2026 |
| KRATOS DEFENSE & ROCKET SUPPORT SERVICES, INC. | H6BWMHGJ5AF5 | Sep 26, 2026 |
| KRATOS S1, INC. | U36PKJPTFTD8 | Sep 26, 2026 |
| KRATOS SYSTEMS AND SOLUTIONS, INC. | H6BWMHGJ5AF5 | Sep 19, 2026 |
| KRATOS TECHNOLOGY & TRAINING SOLUTIONS, INC. | H6BWMHGJ5AF5 | Sep 26, 2026 |
| MADISON RESEARCH CORPORATION | H6BWMHGJ5AF5 | Sep 26, 2026 |
| SIERRA TECHNICAL SERVICES, INC. | U36PKJPTFTD8 | Sep 2, 2026 |
| SUMMIT RESEARCH CORPORATION | H6BWMHGJ5AF5 | Sep 19, 2026 |
| TECHNICAL DIRECTIONS, INC. | U36PKJPTFTD8 | Sep 19, 2026 |
About SIERRA TECHNICAL SERVICES, INC.
What is its primary registered industry?
Primary SAM.gov NAICS classification.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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