Verified Nov 2026
Batteries & E-Mobility
·

Sussex, Wisconsin
·
Since 1976
Power Test, LLC designs, manufactures, and sells dynamometers and heavy equipment testing systems, including engine, chassis, and transmission dynamometers, hydraulic test stands, and control and data acquisition systems. Founded in 1976 and headquartered in Sussex, Wisconsin, the company employs an estimated 100 to 200 people and reports an estimated revenue band of $10 to 50 million. It is privately held and serves industries including automotive, electric vehicles, construction, military and defense, and industrial equipment.
Power Test, LLC at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1976
Headquarters
Sussex, Wisconsin
Import activity
54
Industries
Automotive
Electric Vehicles
Construction
Military & Defense
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
54
Named foreign suppliers
13
Top origins
Spain · India · France · China

Shared foreign counterparties do not establish that these companies buy from Power Test, LLC.
What this tells a buyer
The company has operated for more than 40 years, and its published customer base spans markets such as mining, oil and gas, power generation, marine, trucking, rail, and military, with reported sales in more than 90 countries.
Its product line covers engine, chassis, and transmission dynamometers, heavy equipment testing systems, and hydraulic test stands, supported by advanced control and data acquisition systems.
The company is privately owned and has a reported annual revenue of $32.6 million for 2025, placing it among smaller specialized test equipment manufacturers.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Power Test, LLC designs, manufactures, and sells dynamometers and heavy equipment testing systems, including engine, chassis, and transmission dynamometers, hydraulic test stands, and control and data acquisition systems. Founded in 1976 and headquartered in Sussex, Wisconsin, the company employs an estimated 100 to 200 people and reports an estimated revenue band of $10 to 50 million. It is privately held and serves industries including automotive, electric vehicles, construction, military and defense, and industrial equipment.
At a glance
Attribute | Detail |
|---|---|
Founded | 1976 |
Headquarters | Sussex, Wisconsin |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Primary capability | Batteries & E-Mobility |
What Power Test, LLC makes
Its product line covers engine, chassis, and transmission dynamometers, heavy equipment testing systems, and hydraulic test stands, supported by advanced control and data acquisition systems.
Trade and customs footprint
The company has operated for more than 40 years, and its published customer base spans markets such as mining, oil and gas, power generation, marine, trucking, rail, and military, with reported sales in more than 90 countries. US customs bill-of-lading records list 54 inbound shipments across 13 foreign suppliers, with top origins including Spain · India · France · China.
Company details
The company is privately owned and has a reported annual revenue of $32.6 million for 2025, placing it among smaller specialized test equipment manufacturers. Power Test, LLC was founded in 1976, has an estimated 100-200 employees, and is headquartered in Sussex, Wisconsin.
Frequently asked questions
What does Power Test, LLC make?
Power Test, LLC designs, manufactures, and sells dynamometers and heavy equipment testing systems, including engine, chassis, and transmission dynamometers, hydraulic test stands, and control and data acquisition systems. Founded in 1976 and headquartered in Sussex, Wisconsin, the company employs an estimated 100 to 200 people and reports an estimated revenue band of $10 to 50 million. It is privately held and serves industries including automotive, electric vehicles, construction, military and defense, and industrial equipment.
Where is Power Test, LLC headquartered?
Power Test, LLC is headquartered in Sussex, Wisconsin (N60W22700 Silver Spring Dr, Sussex, Wisconsin, 53089-3966).
When was Power Test, LLC founded?
Power Test, LLC was founded in 1976.
How big is Power Test, LLC?
Power Test, LLC has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
Does Power Test, LLC import from overseas suppliers?
US customs bill-of-lading records show 54 inbound shipments for Power Test, LLC, with top origins including Spain · India · France · China.
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Last verified Nov 2026. Is this your company? Request a correction.
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