Essex Industries

Life-support and fluid control equipment for aerospace.

Aerospace Components & Hardware HQ: St. Louis, MO

About Essex Industries

Essex Industries, based in St. Louis, Missouri, is a supplier to the aerospace and defense industry, manufacturing emergency breathing equipment, liquid oxygen (LOX) systems, gas regulators and cryogenic and fuel valves for military and commercial aircraft.

Manufacturing & Service Locations

St. Louis, Missouri 63123

St. Louis Headquarters & Manufacturing · Headquarters & Manufacturing

CNC MachiningWeldingAssembly & IntegrationEngineering & DesignAdditive ManufacturingAerospace Filtration & Fluid Systems

Milford, Connecticut 06460

Milford Manufacturing Facility · Manufacturing

Huntington Beach, California 92649

Huntington Beach Manufacturing Facility · Manufacturing

Products & Systems

Emergency Breathing EquipmentLiquid Oxygen SystemsGas RegulatorsAircraft Fuel ValvesAircraft fuel valvesHydraulic pulsation dampenersFlame arrestorsElectromechanical assembliesLiquid oxygen systemsAircraft controls

Capabilities

Aerospace Filtration & Fluid Systems CNC Machining CNC Turning EDM Welding Assembly & Integration Engineering & Design Additive Manufacturing Systems Integration Coatings & Finishing

Markets Served

Defense & MilitaryCommercial Aerospace

Certifications

AS9100FAA PMANADCAP

Certification information may be supplier-provided unless otherwise noted.

About This Profile

This company profile is researched and maintained by Aerospace Grade using authoritative public sources.

Last Reviewed: September 16, 2026

Source · Compiled from public sources