Camden Copper

The only North American manufacturer of copper foil, based in Kershaw County, South Carolina. Operations were established at the current site in 1991. In April 2025, Principal Mineral acquired the facility and launched Camden Copper to secure a critical segment of the U.S. electronics and defense supply chain.

A vital microelectronics supplier faced closure. We stepped in to secure it.

In April 2025, Principal Mineral acquired the facility and launched Camden Copper to secure a critical segment of the U.S. electronics and defense supply chain. Today, Camden Copper is a thriving manufacturer and employer in South Carolina.

Material

Electrodeposited Copper Foil

Location

Camden, South Carolina

Stage

Operating

Industries Served

Defense, Electronics

Camden Copper facility

The problem

Copper foil is a critical component of printed circuit boards, the backbone of all modern technologies. It can be found in products ranging from cell phones and laptops to advanced aerospace and defense systems. The U.S. has largely outsourced the capacity to produce copper foil leaving these critical supply chains vulnerable to disruption.

THE ISSUE

The only facility producing copper foil in North America faced closure in 2024. This would have substantially weakened the U.S. microelectronic supply chain.

WHO NEEDED IT

Copper foil is a critical component for the systems powering national defense and electronics.

WHY IT'S VALUABLE

Camden Copper ensures the U.S. has a strong manufacturing base for critical defense and commercial technologies.

The Principal Mineral approach

In 2024, the Department of Defense flagged the imminent closure of Denkai America Inc., then owned by a Japanese conglomerate. Within eight weeks, Principal Mineral acquired and relaunched the facility as Camden Copper, preventing a critical supply chain failure and securing economic opportunity and manufacturing jobs in Camden, South Carolina.

EXPERTISE

Our team's experience across industry and government enabled a streamlined partnership to relaunch operations.

CAPITAL

We are investing in strategic upgrades to ensure Camden Copper is positioned to capture growth across the electronics and AI industries.

COMMUNITY

Camden Copper is an important piece of the Camden, South Carolina community, employing around 60 individuals.

Camden Copper facility interior
Camden Copper copper foil production
Camden Copper operations
Camden Copper team
copper

THE OPPORTUNITIES

Future Opportunities

Principal Mineral is working to ensure Camden Copper is positioned to deliver the essential materials for defense and commercial electronics.

Camden Copper future opportunities

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