Probe Master Inc
Probe Master Inc is a small business in El Cajon, CA registered on SAM.gov to bid on federal contracts. It has won about $143,282 in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- C6BJLS3PX2K7
- CAGE code
- 62381
- SAM.gov registration
- Active
Registration details
| Legal business name | Probe Master Inc |
|---|---|
| Unique Entity ID (UEI) | C6BJLS3PX2K7 |
| CAGE code | 62381 |
| Location | El Cajon, CA |
| SAM.gov registration | Active through Aug 10, 2027 |
| Business started | 1980 |
| Primary NAICS code | 334515: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals |
| Website | www.probemaster.com |
Certifications and business types
- Veteran-owned (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $37,406 |
| FY2024 | $74,279 |
| FY2025 | $62,239 |
| FY2026 | $6,765 |
Its biggest federal customers over the last four fiscal years: Defense Logistics Agency ($180,688).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Jun 3, 2026 | Defense Logistics Agency | Cable assembly,radio frequenc | $723 |
| Apr 2, 2026 | Defense Logistics Agency | Probe,electrical fi | $5,354 |
| Dec 19, 2025 | Defense Logistics Agency | Cable assembly,radio frequenc | $688 |
| Aug 27, 2025 | Defense Logistics Agency | Ada pter,test | $1,257 |
| Aug 27, 2025 | Defense Logistics Agency | Cable assembly,radi | $5,806 |
| Aug 14, 2025 | Defense Logistics Agency | Cable assembly,radio frequenc | $702 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Probe Master Inc is small under
On its SAM.gov registration, Probe Master Inc meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
Open contracts in Probe Master Inc's NAICS codes
16 open federal opportunities on SAM.gov use a NAICS code Probe Master Inc is small under. These are due soonest.
- VDATS Keysight Repair BPA - Sole Source OEM
Due in 3 daysOct 13, 2026
- Aircraft Pressurized Cabin Leakage Tester (APCLT)
Due in 3 daysOct 13, 2026
- Lock in Amplifier
Due in 4 daysOct 14, 2026
- VDATS Astronics Repair BPA
Due in 4 daysOct 14, 2026
- TRANSDUCER,LINEAR
✦ NAVSUP Weapon Systems Support (Mechanicsburg) is requesting quotes to repair or refurbish a linear transducer (CAGE 96169, EB-4857) used as a submarine Fly-By-Wire flight…
Due in 9 daysOct 19, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (334515) that have won federal contracts, starting with California:
- Technical Communities, Inc., San Mateo, CA
- Corelis, Inc., Cerritos, CA
- Fischer Custom Communications Inc, Torrance, CA
- Liquid Instruments Inc, San Diego, CA
- Gantner Instruments, Inc., San Diego, CA
- Lucas Signatone Corp, Gilroy, CA
Frequently asked questions
What is Probe Master Inc's CAGE code?
Probe Master Inc's CAGE code is 62381. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Probe Master Inc's UEI?
Probe Master Inc's Unique Entity ID (UEI) is C6BJLS3PX2K7. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Probe Master Inc's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Probe Master Inc's registration is active through aug 10, 2027. Registrations are renewed every year.
Is Probe Master Inc a small business?
Probe Master Inc is registered on SAM.gov as small under 1 NAICS code, including its primary code, 334515. 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
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 ask us to remove this page, email hello@fedready.us.