/

Batteries & E-Mobility

/

Power Test, LLC

Power Test, LLC

Power Test, LLC

Verified Nov 2026

Batteries & E-Mobility

·

United States flag

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

Verified Nov 2026

AT A GLANCE

Founded

1976

Headquarters

United States flag

Sussex, Wisconsin

Employees

100-200

Ownership

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

Chart of the supplier's US import shipment volume trend over time

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.

Related suppliers

Explore other suppliers in the LightSource directory:

Last verified Nov 2026. Is this your company? Request a correction.

Location & contact

Sussex, Wisconsin (HQ)Headquarters · United States
Sussex, Wisconsin (HQ)N60W22700 Silver Spring Dr, Sussex, Wisconsin, 53089-3966, United StatesHeadquarters

Evaluating suppliers like these?

This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.