What GNS North America makes

GNS North America is a Tier 1 automotive stamper built around press hardened steel. Its core product is the hot stamped body-in-white component: door impact beams, A-pillars and B-pillars, roof reinforcements, floor supports, and other structural parts that make a vehicle body both lighter and stronger. The company runs 16 hot stamping lines across three plants and reports producing more than 16 million hot stamped parts a year, including over 10 million door beams featured in 34 vehicle platforms across different OEMs. Presses range from 500 to 800 tons, paired with vertically stacked ovens and robotic material handling.

Conventional cold stamping runs alongside the hot stamping work. GNS has 8 cold stamping lines from 100 to 1,500 tons, all housed in its Holland, Michigan facility, producing reinforcement brackets, gussets, door beam brackets, and similar conventional stampings. Secondary operations include laser cutting on 16 Trumpf 8030 series 5-axis laser cells spread across the three plants, plus spot welding and highly automated welded assembly cells for ultra-high-strength and press hardened parts. Tooling is designed and built in house through Quincy Tool & Engineering, GNS's tool-and-die operation in Holland, which lets the company try out hot-stamp tools on representative production presses before launch.

The engineering side is a stated part of the value proposition. GNS describes a turnkey process from concept through simulation to steady-state production, including CAD translation across CATIA, NX, Autodesk and VISI, forming and cooling simulations in AutoForm, a full metallurgical lab, and a stage-gate APQP and program management process. That is the profile of a stamper that wins body structure programs on engineering and launch discipline, not just press tonnage.

Ownership and history

GNS North America is the North American arm of a South Korean group whose lineage runs back to 1971, when ByungChae Kong acquired Young Shin, a small metal stamping plant in Seoul. Young Shin expanded through the 1980s and 1990s into body components, ultra-high-tensile tubular door impact beams, and fabricated exhaust and filtration parts. In 2002, MoonGyu Kong, the founder's son, became CEO and renamed the company GNS, short for Green and Safe, a reference to products that improve passenger safety while reducing vehicle mass.

The North American company is newer. MG Kong established GNS North America in 2009, acquiring a Holland, Michigan stamping and tooling company with the help of automotive executive Tom Palumbo, who remains on the GNS NA board as its secretary. GNS NA began with 27 employees and immediately invested in hot stamp technology. Its first hot stamping order was body-in-white components for two General Motors vehicles through a large Tier 1, the step that established GNS as a direct Tier 1 to the OEMs. The company added a Canton, Michigan facility in 2011, now home to 8 hot stamping lines, and a San Jose Iturbide, Mexico plant in 2015 that grew to 4 hot stamping lines. Michael J. Alcala joined in 2019 to lead a restructuring and now serves as Vice Chairman of the Board and CEO. The parent group, GNS Automotive, gives the North American operation the backing of a multi-plant international manufacturer.

Certifications and quality

GNS North America publishes IATF 16949:2016 certificates for its Holland, Canton, and Mexico plants, the automotive quality management standard expected of a body-structure Tier 1. It also posts ISO 9001:2015 and ISO 14001:2015 environmental certificates for its facilities, with certificate documents dated across 2024 and 2025. The quality function runs three coordinate measuring machines and a Romer arm laser scanner on CAD++ software, plus a metallurgical lab with tensile, hardness, bend, and microscope testing, which matters for press hardened parts where material properties are the product. The company also reports an EcoVadis Bronze medal for sustainability. All of these are the company's own published claims and certificates.

Known customers

Most of a Tier 1 stamper's customer list is confidential, tied to specific vehicle programs. GNS's one clearly documented OEM relationship is General Motors, evidenced by an award record rather than a single filing.

Beyond General Motors, GNS describes itself as a Tier 1 supplying more than 11 million press hardened door beams, A/B pillars, and body structural components across a range of OEM programs. Those OEMs are not individually named in public materials, which is normal for body-in-white work sold program by program.

Frequently asked questions

What does GNS North America manufacture?

GNS North America manufactures press hardened steel (PHS) hot stamped body-in-white parts for the automotive industry, including door impact beams, A-pillars and B-pillars, roof reinforcements, and floor supports. It also does conventional cold stamping, laser cutting, spot welding and welded assemblies, and in-house tool-and-die work. The company reports more than 16 million hot stamped parts a year across 16 hot stamping lines.

Who owns GNS North America?

GNS North America is the North American subsidiary of GNS Automotive Co., Ltd., a South Korean group whose lineage traces to 1971. The founder, ByungChae Kong, acquired the original Young Shin stamping plant in Seoul; his son MoonGyu Kong became CEO in 2002 and established GNS North America in 2009.

Where is GNS North America located?

GNS North America is headquartered in Grand Rapids, Michigan, with manufacturing plants in Holland, Michigan and Canton, Michigan, plus a plant in San Jose Iturbide, Mexico. Its largest facility and tool-and-die operation, Quincy Tool & Engineering, are in Holland.

Who are GNS North America's customers?

General Motors is GNS North America's one publicly documented OEM customer, evidenced by four consecutive GM Supplier of the Year awards and by the company's first hot-stamp order for two GM vehicles. GNS also reports supplying door beams across 34 vehicle platforms for a range of OEMs, though those programs are not individually named.

What certifications does GNS North America hold?

GNS North America holds IATF 16949:2016 certification for its Holland, Canton, and Mexico plants, along with ISO 9001:2015 and ISO 14001:2015 certificates dated 2024 to 2025. The company also reports an EcoVadis Bronze sustainability medal.

How large is GNS North America?

GNS North America has roughly 200 to 500 employees and an estimated revenue band in the range of $75 to $100 million; the company is private and does not publish audited figures. It operates three manufacturing plants with 16 hot stamping lines and 8 cold stamping lines and reports producing more than 16 million hot stamped parts a year.

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