What GHSP makes

GHSP is a global Tier 1 automotive supplier of electronic controls and mechatronic systems, meaning products that combine mechanical hardware, electronics, and software into one integrated function. The company describes its core competency as electronics design and manufacturing, the electronic control units, actuators, and sensors that sit inside its shifters, pumps, and control modules.

After integrating the former Stoneridge Control Devices business in 2026, GHSP organizes its portfolio into seven core product lines: drivetrain systems (driveline and four-wheel-drive engagement), driver controls (including shift-by-wire and shift systems), thermal management systems and sensors, human-machine interface (HMI) modules, electronic control modules, smart propulsion (electronic pumps and actuation), and evaporative emission systems. Its technology also reaches into premium appliances, where the same electronic control and interface expertise supports high-end kitchen products. One recent development is eVibe, an EV vibration control and enhancement system built in partnership with Parker Lord that generates haptic feedback in electric vehicles.

The company's origins were literally in metal: it started in 1924 stamping metal components, shifted to precision injection molding as composites matured, and then moved up the value chain into integrated mechanical, electronic, and software systems. That arc, from stamped parts to mechatronics, is why GHSP now positions itself around controlling, monitoring, and measuring functions inside the vehicle rather than around any single component.

Financial performance

GHSP generates approximately $550 million in annual sales, a figure the company published when it announced the integration of the former Stoneridge Control Devices segment in March 2026 and one reported the same month by Crain's Grand Rapids Business. The combined business employs roughly 2,000 people across 12 global locations. GHSP is privately held under private-equity ownership and does not publish audited standalone financial statements, so revenue and headcount are reported here as the company's own published figures rather than filed numbers. Independent headcount modeling from a business-data provider tracks small positive growth over the trailing year, consistent with a company in an expansion and integration phase rather than a contraction.

Ownership and history

GHSP was founded on February 1, 1924, as Bolling Manufacturing in Grand Haven, Michigan, later becoming known as Grand Haven Stamped Products and then simply GHSP. The company operated for decades under the ownership of JSJ Corporation, a Michigan holding company, and marked its 100th anniversary in 2024.

Ownership changed at the end of 2025. Center Rock Capital Partners, a Chicago-based private-equity firm, announced on December 2, 2025, that it had acquired GHSP from JSJ Corporation, describing the company as a global leader in mechatronic systems, smart actuators, and electronic controls. Center Rock then acquired the Control Devices segment of Stoneridge, Inc. and, on March 13, 2026, announced the formal integration of that business under the GHSP brand. The company said the combined organization would keep its full footprint with no planned facility closures, uniting sites in Grand Haven, Hart, Holland, and Novi, Michigan; Lexington, Ohio; Saltillo, Mexico; Shanghai and Suzhou, China; Hyderabad and Pune, India; and Hamamatsu, Japan.

World headquarters sit in Holland, Michigan, while the Grand Haven plant at 1250 South Beechtree remains a primary operating and manufacturing site and the entity of record in US customs data. Leadership is headed by President and CEO Laurent Bresson, formerly President and Global COO of Nexteer Automotive, with Dan Krzeszewski appointed Chief Financial Officer in 2026 and Verlin Bush named Vice President of Sales, Marketing, and Program Management the same year.

Certifications and quality

GHSP reports that its manufacturing sites in the United States, Mexico, and China are registered to IATF 16949, the automotive quality management standard, and to ISO 14001 for environmental management. Its test laboratories in Grand Haven, Holland, and Shanghai are accredited to ISO/IEC 17025 under A2LA (testing certificate 1107.01 and 1107.03). These are the company's own published registrations rather than dated certificates posted on the site. IATF 16949 across multiple plants is the norm for a Tier 1 supplier producing safety-relevant production parts for global OEMs.

Known customers

GHSP does not name individual customer programs on its public site, which is normal for a Tier 1 supplier bound by OEM confidentiality. The company states that it partners with globally recognized automotive manufacturers and premium appliance makers, and its product lines, shift systems, driver controls, and electronic control modules, are the kind of content that ships in named vehicle programs. No specific OEM relationship met the documented-filing or major-outlet bar during this review, so none is listed. Buyers evaluating GHSP should request its current customer and program references directly.

Sourcing evidence

GHSP's US import record is consistent with a manufacturer that builds electronics and mechatronic assemblies domestically while sourcing components and sub-assemblies from Asia and Europe. US customs bill-of-lading records tied to the Grand Haven entity show 4,659 sea shipments between January 2015 and March 2025, with the most recent recorded ocean shipment on March 27, 2025, and cumulative ocean-freight spend estimated at roughly $10.8 million (covering about 82% of shipments, an order-of-magnitude figure rather than an audited one). The bills of lading name more than 20 foreign suppliers; the most active are shown below.

Origin countries lead with China by a wide margin, followed by India, South Korea, Thailand, and Taiwan. A large share of the China volume comes from GHSP Shanghai South, an internal GHSP site, so roughly a fifth of the record is intra-company movement of shift-system components rather than third-party purchasing. The mix, magnets, rotors, printed circuit boards, motor components, and shifter tubes, matches the bill of materials of an electronic-controls and actuator maker.

Coverage caveats: these are US ocean-freight records only. Air, truck, and rail movements do not appear, which is significant for an electronics supplier that often ships higher-value components by air; the quiet stretch in the ocean record after early 2025 more likely reflects a mode or routing shift than a stop in activity. Some records name freight intermediaries rather than manufacturers, and product categories come from declared manifest codes, which are noisy. Absence of a record is not evidence of absence. Buyers weighing nearshoring and tariff exposure should note GHSP's own manufacturing presence in Mexico (Saltillo) alongside its Asian sourcing.

Frequently asked questions

What does GHSP make?

GHSP designs and manufactures electronic controls and mechatronic systems for the automotive industry, products that integrate mechanical hardware, electronics, and software. Its seven core product lines are drivetrain systems, driver controls (including shift systems), thermal management systems, human-machine interface modules, electronic control modules, smart propulsion (electronic pumps), and evaporative emission systems. Its technology also supports premium appliances.

Who owns GHSP?

GHSP has been owned by Center Rock Capital Partners, a private-equity firm, since December 2025, when Center Rock acquired the company from JSJ Corporation. Center Rock also acquired the Control Devices segment of Stoneridge, Inc. and integrated it into GHSP in 2026. GHSP had been owned by JSJ Corporation for decades before the sale.

Where is GHSP headquartered?

GHSP's world headquarters are in Holland, Michigan. Its Grand Haven, Michigan plant at 1250 South Beechtree remains a primary manufacturing site and is the company's importer of record in US customs data. GHSP operates 12 locations across the United States, Mexico, China, India, and Japan.

How big is GHSP?

GHSP generates approximately $550 million in annual sales and employs roughly 2,000 people across 12 global locations, figures the company published when it integrated the former Stoneridge Control Devices business in 2026. It is a privately held Tier 1 automotive supplier and does not publish audited standalone financial statements.

When was GHSP founded?

GHSP was founded on February 1, 1924, as Bolling Manufacturing in Grand Haven, Michigan. It later became known as Grand Haven Stamped Products, then GHSP, evolving from metal stamping to injection molding and finally to electronic controls and mechatronic systems. The company marked its 100th anniversary in 2024.

What certifications does GHSP hold?

GHSP reports that its US, Mexico, and China manufacturing sites are registered to IATF 16949 (automotive quality management) and ISO 14001 (environmental management), and that its test laboratories are accredited to ISO/IEC 17025 under A2LA. These are the company's own published registrations.

Last verified September 27, 2026. Is this your company? Request a correction.