Mach Industries Acquires Exquadrum in $50M Defense Deal

Mach Industries, a three-year-old defense startup, has completed the acquisition of Exquadrum, a specialist in solid rocket motors, in a deal valued at $50 million. This move marks a strategic shift for the Huntington Beach-based company as it moves to gain direct control over critical components within its unmanned vehicle supply chain.

Following the acquisition, Exquadrum has been rebranded as Mach Energetics and fully integrated into Mach Industries’ existing operations. The transition brings 85 employees into the company, which now counts approximately 350 staff members in total. The deal includes Exquadrum’s intellectual property, existing business contracts, and a 70,000-square-foot facility in Victorville, California, which features access to a specialized rocket propulsion test site.

A Strategy Built on Vertical Integration

For CEO Ethan Thornton, who founded Mach Industries after leaving MIT at 19, the acquisition is a necessary response to the current state of the defense industrial base. Thornton argues that relying on external suppliers for essential parts like radar, engines, and avionics is increasingly untenable due to long lead times and high costs.

“As we deliver vehicles to the warfighter, we’ll continue to vertically integrate our supply chain to ensure we deliver the best possible product at the lowest cost,” Thornton stated. “In many areas of the defense industrial base, these components are not only too expensive or lacking performance, they’re simply unavailable.”

Solving the Solid Rocket Motor Bottleneck

The domestic market for solid rocket motors (SRMs) has long been dominated by two major players: Northrop Grumman and Aerojet Rocketdyne. This consolidation has created a production bottleneck, particularly as demand for modern drone warfare surges. The Pentagon has recently signaled the severity of this issue, including a $43.7 million investment in Anduril earlier this year to bolster domestic SRM production.

Mach Industries intends to use its new capabilities to alleviate these pressures. By positioning Mach Energetics as a supplier of testing services and components to other firms, the company aims to function as critical infrastructure for the broader defense sector rather than just an internal systems builder.

Scaling Vehicle Programs

The acquisition arrives as Mach Industries prepares to scale its production capacity. The company currently manages five distinct vehicle programs:

• Viper: A jet-powered VTOL aircraft.
• Glide: A high-altitude strike glider.
• Stratos: An airborne surveillance platform.
• Dart: A low-cost interceptor designed for counter-drone operations.
• Pike: A long-range strike munition intended for mass deployment.

With plans to move at least three of these platforms into production this year, the company expects the integration of Mach Energetics to improve unit economics significantly. Having raised nearly $200 million to date, including a $100 million Series B round last June that valued the firm at $470 million, Mach Industries is now focused on executing its production roadmap at scale.