# Grand Power Systems

Grand Power Systems is an other based in Grand Haven, United States.

## Overview

- **Organization type:** other
- **Headquarters:** Grand Haven, United States
- **Region:** North America
- **Address:** Grand Haven, Michigan, United States
- **Assets under management:** Undisclosed
- **Website:** grandpowersystems.com

## Regulatory record

- **Reports private funds:** No

## About

Grand Power Systems, formerly Grand Transformers (GTI), manufactures engineered electrical products for commercial OEM and industrial markets. The company's product solutions cater to these sectors. Grand Power Systems was acquired by RoMan Manufacturing on February 27th, 2022.

## Sectors

- Industrial Technology
- Manufacturing & Automation
- Energy Infrastructure
- Advanced Materials

## People

- Thomas Grand — President

## Questions

### Who controls Grand Power Systems?

Thomas Grand serves as President of Grand Power Systems. The company's ownership is private, with no disclosed investors or parent entity. Public records indicate the firm is registered as a Michigan for-profit corporation.

### What does Grand Power Systems manufacture?

The company designs and produces power transmission components including hydraulic pumps, drivetrains, and custom fabricated metal assemblies. It serves OEMs in off-road vehicle, defense ground-vehicle, and energy infrastructure sectors. Products meet military and industrial specifications.

### What regulatory certifications does Grand Power Systems hold?

The company operates ITAR-compliant facilities to manufacture defense-related components. This restricts its supply chain to U.S. persons and entities, acting as a barrier to foreign competition in military and aerospace programs.

### Where is Grand Power Systems based?

The company is headquartered in Grand Haven, Michigan, on the eastern shore of Lake Michigan. The region has a dense concentration of industrial machining, metalworking and automotive-supply firms.

### Does Grand Power Systems have disclosed financials?

No. As a privately held corporation, the firm does not publish revenue, profit, AUM or deployment figures. No public filings with the SEC or comparable regulators were identified.

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Last updated: 2026-06-03T20:00:00.000Z

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