Verified Nov 2026
Electronics & Software
·

Baywood-Los Osos, California
·
Since 1971
Rantec Power Systems Inc. designs and manufactures engineered power supplies and electronic systems, including high and low voltage power supplies, plug-in modules, and DC/DC converters. The company is headquartered in Baywood-Los Osos, California, was founded in 1971, and employs an estimated 200 to 500 people with estimated annual revenue of $10 to $50 million. It is privately held and serves the military-defense, aerospace, automotive, electronics, and industrial equipment sectors. In 2026 the company announced it was hiring test and PCB design engineers to support its next generation of products, according to a local chamber of commerce member news item.
Rantec Power Systems Inc. at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1971
Headquarters
Baywood-Los Osos, California
Certifications
AS9100 · ISO 9001
Import activity
907
Industries
Automotive
Electronics
Military & Defense
Industrial Equipment
Aerospace
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
907
Named foreign suppliers
24
Top origins
India · China · Pakistan · Oman

Shared foreign counterparties do not establish that these companies buy from Rantec Power Systems Inc..
What this tells a buyer
Recent public notices include a 2026 circuit card assembly award listed on Bidscope and a 2026 power supply procurement entry in the SAM Directory, indicating ongoing government-related work.
The company holds AS9100 and ISO 9001 certifications and lists assembly, electronics, and connector products among its offerings.
Rantec operates facilities in Los Osos, California and Layton, Utah, and is privately owned with an estimated mid-sized workforce.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
55 years in operation (founded 1971).
Holds AS9100, ISO 9001 certification(s) per public sources.
Overview
Rantec Power Systems Inc. designs and manufactures engineered power supplies and electronic systems, including high and low voltage power supplies, plug-in modules, and DC/DC converters. The company is headquartered in Baywood-Los Osos, California, was founded in 1971, and employs an estimated 200 to 500 people with estimated annual revenue of $10 to $50 million. It is privately held and serves the military-defense, aerospace, automotive, electronics, and industrial equipment sectors. In 2026 the company announced it was hiring test and PCB design engineers to support its next generation of products, according to a local chamber of commerce member news item.
At a glance
Attribute | Detail |
|---|---|
Founded | 1971 |
Headquarters | Baywood-Los Osos, California |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
Certifications | AS9100 · ISO 9001 |
What Rantec Power Systems Inc. makes
The company holds AS9100 and ISO 9001 certifications and lists assembly, electronics, and connector products among its offerings.
Products and capabilities described on the company's own site include Assembly, Electronics, Connector (source: rantec.com).
Certifications
Rantec Power Systems Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
AS9100 — rantec.com
ISO 9001 — rantec.com
Trade and customs footprint
Recent public notices include a 2026 circuit card assembly award listed on Bidscope and a 2026 power supply procurement entry in the SAM Directory, indicating ongoing government-related work. US customs bill-of-lading records list 907 inbound shipments across 24 foreign suppliers, with top origins including India · China · Pakistan · Oman.
Latest developments
2026-09-23 — Circuit Card Assembly Award - Bidscope (bidscopeai.com)
2026-08-27 — 🚀Rantec Power Systems Inc., a long-standing defense contractor specializing in custom high‑reliability power supplies, is expanding and hiring Test Engineers and PCB Design Engineers to support our next generation of products. These … | Tammy Power (linkedin.com)
2026-06-10 — SPE7L125R00900002 — 61--POWER SUPPLY | SAM Directory (sam.directory)
2026-03-23 — Member News | Rantec Power Systems Expands Workforce with Multiple Open Positions in Los Osos | San Luis Obispo Chamber of Commerce (slochamber.org)
2026-01-21 — SPRRA2-26-C-0003 — POWER SUPPLY | SAM Directory (sam.directory)
Facilities
Rantec Power Systems Inc. is headquartered in Baywood-Los Osos, California. Public sources also reference these locations:
Los Osos, California — rantec.com
Layton, Utah — rantec.com
Company details
Rantec operates facilities in Los Osos, California and Layton, Utah, and is privately owned with an estimated mid-sized workforce. Rantec Power Systems Inc. was founded in 1971, has an estimated 200-500 employees, and is headquartered in Baywood-Los Osos, California. On the LightSource stability read it is rated "Established & active": 55 years in operation (founded 1971). Holds AS9100, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Rantec Power Systems Inc. make?
Rantec Power Systems Inc. designs and manufactures engineered power supplies and electronic systems, including high and low voltage power supplies, plug-in modules, and DC/DC converters. The company is headquartered in Baywood-Los Osos, California, was founded in 1971, and employs an estimated 200 to 500 people with estimated annual revenue of $10 to $50 million. It is privately held and serves the military-defense, aerospace, automotive, electronics, and industrial equipment sectors. In 2026 the company announced it was hiring test and PCB design engineers to support its next generation of products, according to a local chamber of commerce member news item.
Where is Rantec Power Systems Inc. headquartered?
Rantec Power Systems Inc. is headquartered in Baywood-Los Osos, California (1173 Los Olivos Avenue, Baywood-Los Osos, California, 93402).
When was Rantec Power Systems Inc. founded?
Rantec Power Systems Inc. was founded in 1971.
How big is Rantec Power Systems Inc.?
Rantec Power Systems Inc. has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does Rantec Power Systems Inc. hold?
Rantec Power Systems Inc. lists AS9100 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Rantec Power Systems Inc. import from overseas suppliers?
US customs bill-of-lading records show 907 inbound shipments for Rantec Power Systems Inc., with top origins including India · China · Pakistan · Oman.
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Last verified Nov 2026. Is this your company? Request a correction.
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