Verified Nov 2026
Powertrain & Drivetrain
·
San Leandro, California
·
Since 1936
Peterson Power Systems is a family-owned power solutions company headquartered in San Leandro, California, founded in 1936. It sells, rents, repairs, and maintains Caterpillar diesel and natural gas engines and generators for power generation, industrial, and marine uses, and operates as a division of Peterson CAT. The company has an estimated 1,000 to 5,000 employees and serves the automotive, electric vehicle, construction, medical, renewable energy, and industrial equipment sectors. In September 2026, it was awarded a maintenance contract by the City of Healdsburg.
Peterson Power Systems at a glance
Revenue
$250-500M
Est. band
Employees
1,000-5,000
Founded
1936
Headquarters
San Leandro, California
Import activity
36
Industries
Automotive
Electric Vehicles
Construction
Medical
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
36
Named foreign suppliers
13
Top origins
Belgium · Singapore · Germany · Taiwan
Shared foreign counterparties do not establish that these companies buy from Peterson Power Systems.
What this tells a buyer
No customs or trade shipment data is available in the record, but the most recent development reported is a September 2026 equipment contract awarded to the company by Tri County Metropolitan Transportation District of Oregon.
The company's listed capabilities include Caterpillar engine repair and maintenance, generator sales and rental, genset rental, cogeneration systems, fuel polishing systems, and energy storage solutions, with no certifications recorded.
The company is privately held with an estimated revenue band of $250 million to $500 million and has been a Caterpillar dealer since 1936.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Peterson Power Systems is a family-owned power solutions company headquartered in San Leandro, California, founded in 1936. It sells, rents, repairs, and maintains Caterpillar diesel and natural gas engines and generators for power generation, industrial, and marine uses, and operates as a division of Peterson CAT. The company has an estimated 1,000 to 5,000 employees and serves the automotive, electric vehicle, construction, medical, renewable energy, and industrial equipment sectors. In September 2026, it was awarded a maintenance contract by the City of Healdsburg.
At a glance
Attribute | Detail |
|---|---|
Founded | 1936 |
Headquarters | San Leandro, California |
Employees | 1,000-5,000 |
Revenue | $250-500M (estimated) |
Primary capability | Powertrain & Drivetrain |
What Peterson Power Systems makes
The company's listed capabilities include Caterpillar engine repair and maintenance, generator sales and rental, genset rental, cogeneration systems, fuel polishing systems, and energy storage solutions, with no certifications recorded.
Products and capabilities described on the company's own site include Emissions, Battery, Drivetrain (source: petersonpower.com).
Trade and customs footprint
No customs or trade shipment data is available in the record, but the most recent development reported is a September 2026 equipment contract awarded to the company by Tri County Metropolitan Transportation District of Oregon. US customs bill-of-lading records list 36 inbound shipments across 13 foreign suppliers, with top origins including Belgium · Singapore · Germany · Taiwan.
Latest developments
2026-09-23 — Tri County Metropolitan Transportation District Of Oregon Awards Equipment Contract to Peterson Power Systems Inc (September 2026) (civiciq.com)
2026-09-21 — City of Healdsburg Awards Maintenance Contract to Peterson Power Systems Inc (September 2026) (civiciq.com)
2026-09-15 — Tulelake Considers Peterson Generator Service Proposal (civiciq.com)
2026-01-30 — Spotlight on our Power Systems and Peterson Mission Critical team! 🚀 Peterson Power Systems is the first dealer in the world to successfully implement the on-board ECS200 controller for generator paralleling. Delivered … | Peterson Power Systems (linkedin.com)
2025-10-15 — My Portland Airport Expansion project is finally commissioning after 3 years! She is 1500kW 💪🏼 of backup power and is running under 50% load right now. This has been a long and … | Katie Kost (linkedin.com)
Company details
The company is privately held with an estimated revenue band of $250 million to $500 million and has been a Caterpillar dealer since 1936. Peterson Power Systems was founded in 1936, has an estimated 1,000-5,000 employees, and is headquartered in San Leandro, California.
Frequently asked questions
What does Peterson Power Systems make?
Peterson Power Systems is a family-owned power solutions company headquartered in San Leandro, California, founded in 1936. It sells, rents, repairs, and maintains Caterpillar diesel and natural gas engines and generators for power generation, industrial, and marine uses, and operates as a division of Peterson CAT. The company has an estimated 1,000 to 5,000 employees and serves the automotive, electric vehicle, construction, medical, renewable energy, and industrial equipment sectors. In September 2026, it was awarded a maintenance contract by the City of Healdsburg.
Where is Peterson Power Systems headquartered?
Peterson Power Systems is headquartered in San Leandro, California (2828 Teagarden St, San Leandro, California, 94577).
When was Peterson Power Systems founded?
Peterson Power Systems was founded in 1936.
How big is Peterson Power Systems?
Peterson Power Systems has an estimated 1,000-5,000 employees, with revenue in the $250-500M range (estimated).
Does Peterson Power Systems import from overseas suppliers?
US customs bill-of-lading records show 36 inbound shipments for Peterson Power Systems, with top origins including Belgium · Singapore · Germany · Taiwan.
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