Federal contractor profile

AMPRIUS TECHNOLOGIES, INC.

UEI LMYUK69TRW99CAGE 9K6H5Company website ↗

Active

Small Business

Overview

Legal name: AMPRIUS TECHNOLOGIES, INC.
Registered location: FREMONT, 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: Jun 12, 2025

Read company summary

AMPRIUS TECHNOLOGIES, INC. is associated with UEI LMYUK69TRW99 and CAGE 9K6H5 in public federal records. AcornBids currently links 1 prime award totaling $1.9M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). These categories describe the loaded award records, not a complete list of company capabilities. 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 FREMONT, CA, USA.

At a glance

Lifetime prime obligations$1.9M

Prime awards1

Awards with future end dates0

Top-agency concentration100.0%

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 26, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name: AMPRIUS TECHNOLOGIES, INC.
UEI: LMYUK69TRW99
CAGE: 9K6H5
Registered address: 1180 PAGE AVE, FREMONT, CA, 94538, USA
Registration status: Active
Primary NAICS: 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
SAM activation: Mar 18, 2026
Initial registration: Apr 25, 2023
Entity start: Mar 16, 2015
SAM updated: Mar 18, 2026
Registration expires: Mar 16, 2027
Fiscal year end: Dec 31
Place of incorporation: DE, USA

View SAM.gov 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.

Award / description	Awarding agency	Obligations	Start date	End date
W5170124C0170SBIR PHASE II TOPIC A234-P015. 873 AUTHORITY.	Department of Defense	$1.9M	Jul 15, 2024	Jan 14, 2026

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Registration, certifications & contacts

Registration evidence	Date
SAM updated	Mar 18, 2026
Source loaded	Sep 26, 2026
Initial registration	Apr 25, 2023
Entity start	Mar 16, 2015

Registration classifications: Small Business. These are separate from the reported certificates above.

Industry	Reported size status
335910 — Battery Manufacturing	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
IONEL STEFAN	Government business	Contact method not published	SAM registration	Not available
IONEL STEFAN	Electronic business	Contact method not published	SAM registration	Not available

Registered industries

335910 — Battery Manufacturing
541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Registered products and services

6140 — Batteries, Rechargeable

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source