ESCO Maritime

Headquarters

Yaphank, NY

UEI

F42BKS7EHCL8

CAGE

10LV4

Formed in 2025 from the acquisition of a long-established Ultra Maritime business, ESCO Maritime brings together naval-defense operations with roots reaching back to 1951. More than 510 professionals across four U.S. and U.K. locations support allied naval programs with systems designed for demanding maritime missions.

• Ultra MaritimeWith more than 2,000 employees across the Five-Eyes nations, Ultra Maritime designs and manufactures undersea warfare and anti-submarine systems for allied navies. The company brings more than 80 years of sonar experience to sonobuoys, acoustic sensing and torpedo defense, while developing autonomous capabilities for air, surface and undersea platforms. Its global operations span 10 locations in four countries, with manufacturing sites in the United States, United Kingdom, Canada and Australia.VICTOR, NY
• Cobham-UltraBuilt from the combined engineering histories of Cobham and Ultra, Cobham-Ultra develops bespoke subsystems and systems for mission-critical work in defence, security, and critical detection and control. Its businesses span maritime defence, intelligence and communications, precision control for aerospace, and investment in space technology. The group traces its roots to Cobham’s 1934 founding as Flight Refuelling Limited and Ultra’s 1920 electronics factory, giving it more than 200 years of shared engineering history.VICTOR, NY
• FM
  Fairbanks Morse DefenseWith more than a century of expertise, Fairbanks Morse Defense is a Beloit-based maritime defense manufacturer known for supporting the U.S. Navy and allied fleets. The company has expanded from its historic engine business into a broad marine defense organization while maintaining a nationwide network for fleet support.CINCINNATI, OH
• Fairbanks Morse DefenseWith more than a century of expertise, Fairbanks Morse Defense designs, builds, and services naval power and propulsion systems for the U.S. Navy, Coast Guard, Military Sealift Command, and Canadian Coast Guard. The company has expanded from a naval engine supplier into a broader maritime-defense manufacturer, pairing U.S.-made medium-speed engines with OEM parts, advanced manufacturing, and turnkey lifecycle support. Its nationwide service-center network and international partners support fleets wherever they operate, while ISO 9001-certified operations reinforce its focus on dependable mission readiness.SALEM, OH