Cesiumastro Inc
Cesiumastro Inc is a small business in Austin, TX registered on SAM.gov to bid on federal contracts. It has won about $5.1 million in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- ETNXN97SBHG3
- CAGE code
- 7VR43
- SAM.gov registration
- Active
SBIR and STTR awards
Cesiumastro Inc has won 10 small business R&D awards worth $7.2 million through the SBIR and STTR programs since 2018, 6 of them Phase II. Funded by Air Force, DoD, MDA and Navy.
| Awarded | Agency | Project | Amount |
|---|---|---|---|
| Jun 15, 2023 | Air Force | SBIR Phase II Sequential TACFI SBIR Phase II Open Phased Array Antenna | $1.8 million |
| Sep 1, 2022 | DoD | SBIR Phase II Multibeam L-Band Active Phased Array | $1.7 million |
| Jul 29, 2021 | NASA | SBIR Phase II Commercial-Scale Arrays for Lunar Exploration: Communications and Sensing System | $749,178 |
| Mar 9, 2021 | Air Force | SBIR Phase II Active Phased Array communications for UAS | $750,000 |
| Aug 25, 2020 | NASA | SBIR Phase I Commercial-Scale Arrays for Lunar Exploration: Communications and Sensing System | $124,926 |
| Mar 9, 2020 | Air Force | SBIR Phase I Vireo Multi-Beam Active Phased Array | $50,000 |
| Sep 30, 2019 | Navy | SBIR Phase II Rapidly Integrated Tactical Communications Payload | $749,651 |
| Jun 3, 2019 | MDA | SBIR Phase II High Speed Missile to Missile Communications | $998,648 |
Showing the newest 8. Award data from SBIR.gov. SBIR and STTR awards are grants or contracts for R&D, so some don't appear in its federal contract history.
Federal contract history
Contract history from USAspending.gov is taking longer than usual to load. It will appear here in a moment, or when you reload the page in a few minutes.
Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Cesiumastro Inc |
|---|---|
| Unique Entity ID (UEI) | ETNXN97SBHG3 |
| CAGE code | 7VR43 |
| Location | Austin, TX |
| SAM.gov registration | Active through May 21, 2027 |
| Business started | 2017 |
| Primary NAICS code | 334220: Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| Website | www.cesiumastro.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI ETNXN97SBHG3 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet.
Check or correct this record at the source: open its SAM.gov entry, or search UEI ETNXN97SBHG3 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Cesiumastro Inc is small under
On its SAM.gov registration, Cesiumastro Inc meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in Cesiumastro Inc's NAICS codes
262 open federal opportunities on SAM.gov use one of Cesiumastro Inc's NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside. Here are a few, those in its primary code first (none of these are in Texas right now), then the soonest due.
- MPU5 Radios
Due in 3 daysNov 10, 2026, 9:00 AM MST
- RFQ - AFRL/RFY Video Surveillance System
Due in 5 daysNov 12, 2026, 12:00 PM EST
- Antenna, in Repair/Modification of
✦ NAVSUP Weapon Systems Support (Navy) wants one antenna repaired and returned ready for use (NSN 5985 015855465, part number 562R163H01, QTY 1, unit not stated).
Due in 9 daysNov 16, 2026, 4:30 PM UTC-4
- Antenna, in Repair/Modification of
✦ NAVSUP Weapon Systems Support (Mechanicsburg) wants a vendor to repair an aircraft antenna (CAGE 03956, ref. 1978835) under Emergency Acquisition Flexibilities.
Due in 11 daysNov 18, 2026, 4:30 PM UTC-4
- UPDATED ALS SHB pulsed RF HPA
✦ This is an updated request for proposal from Lawrence Berkeley National Laboratory (run by the University of California for the Department of Energy) for two custom 25 kilowatt…
Due in 11 daysNov 18, 2026, 3:00 PM PSTThe AI summary flags this date. Check SAM.gov.
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (334220) that have won federal contracts in Texas:
- Wildstar LLC, Arlington, TX
- Antenna Products Corporation, Mineral Wells, TX
- Aviatech Corporation, Highland Village, TX
- Skylark Wireless, LLC, Houston, TX
- Wireless CCTV LLC, Richardson, TX
- Dallas Avionics, Inc., Dallas, TX
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through May 21, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Cesiumastro Inc's CAGE code?
Cesiumastro Inc's CAGE code is 7VR43. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Cesiumastro Inc's UEI?
Cesiumastro Inc's Unique Entity ID (UEI) is ETNXN97SBHG3. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Cesiumastro Inc's SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Cesiumastro Inc's registration is active through May 21, 2027. Registrations are renewed every year.
Is Cesiumastro Inc a small business?
Cesiumastro Inc is registered on SAM.gov as small under 3 NAICS codes, including its primary code, 334220. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.