Innovative.
Proven.
Responsive.
At Signia Aerospace, our capabilities span the full spectrum of mission-critical systems from thermal regulation in next-gen aircraft to certified rescue gear and payload mounts. We engineer, manufacture, and support integrated solutions that enhance performance, ensure compliance, and keep fleets mission ready.
Whether it’s a high-efficiency heat exchanger in orbit or a hoist system in active SAR operations, every component reflects our commitment to precision, reliability, and readiness.
Evolve
As aerospace platforms evolve to meet new demands for efficiency, safety, and mission adaptability, Signia Aerospace helps customers stay ahead of what’s next.
Our integrated capabilities and future-ready systems support emerging technologies across short-distance air mobility, next-gen rotorcraft, and advanced drone operations. From modular thermal systems to mission-configurable equipment, we deliver solutions built for the frontier of flight across commercial and defense sectors.
ACE Thermal Systems is the combination of two proven leaders in the thermal management and environmental control systems space – Air Comm Corporation and Enviro Systems. ACE is an AS9100-registered manufacturer of environmental control system (ECS) products that provide optimal comfort, safety, reliability, and value for operators of turbine helicopters and fixed-wing aircraft. Our extensive expertise includes designing, manufacturing, and servicing vapor cycle air conditioning systems and components, axial and centrifugal fans, and bleed air control valves. With facilities in Colorado and Oklahoma, ACE operates as part of Signia Aerospace.
Cleveland Wheel and Brake Systems (CWBS) provides aircraft braking systems and key system components including wheels, brakes, and hydraulic components for the general aviation, turboprop, business jet, rotorcraft and military markets. For over 85 years, airplane manufacturers, landing gear manufacturers, mechanics and pilots have relied on the innovative and reliable Cleveland brand of products, making them one of the world’s most experienced, recognizable, and respected brands in the aircraft industry. CWBS was founded in Northeast Ohio, USA and continues to manage all aspects of the product lifecycle including concept, design, qualification, testing, and manufacture. Our team further supports customers by offering product repair, and over-hauls at their FAA and EASA certified repair station.
Hartzell Aviation, encompassing Hartzell Engine Tech and Hartzell Aviation Welding, provides propeller systems, engine component overhauls, precision welding services, and STC-based performance upgrades. Serving general aviation, business aviation, and special mission aircraft, Hartzell delivers dependable power solutions backed by decades of innovation.
Hartzell Propeller, founded in 1917 in Piqua, Ohio, is the global leader in advanced aluminum and carbon fiber propeller systems, serving general aviation, commercial, and advanced air mobility markets. Renowned for engineering excellence, Hartzell designs and manufactures propellers that deliver unmatched performance, efficiency, and durability—backed by over a century of innovation. To broaden its capabilities, Hartzell has strategically acquired complementary brands. Tanis Preheat, established in 1974, specializes in certified aircraft preheating technology for all climates, while Reiff Preheat Systems offers cost-effective heating options for cold-weather operations. WhirlWind Propellers adds durable composite propellers for experimental aircraft. Together, these Hartzell-owned brands enhance Hartzell’s core mission: providing pilots worldwide with superior propulsion systems and comprehensive support solutions. With its advanced materials, precision engineering, and commitment to reliability, Hartzell stands as the trusted choice for maximizing aircraft performance in any environment.
International Water-Guard Industries Inc. is a Canadian aerospace company that specializes in innovative potable water solutions for commercial and business aviation. IWG leads the industry in developing flight-certified potable water treatment units, on-demand water heaters, lavatory water heaters, touchless faucets, compact water systems, potable water weight management solutions (Pre-Select), and lightweight valves.
Lifesaving Systems has been serving the world’s Search & Rescue (SAR) responders within the Aviation and Marine sectors since 1980. We design and manufacture rescue, safety, and survival equipment not only for SAR responders, but also for industry professionals. From rescue hooks and safety harnesses, to rescue litters and strobe lights, Lifesaving Systems makes the gear rescuers need to stay alive while saving others. Located in Apollo Beach, Florida, Lifesaving Systems operates as part of Signia Aerospace.
Meeker Aviation is a world leader in the design and manufacture of aircraft external payload mounts for Electro-Optical and Infrared (EO/IR) sensors, cinematography camera systems, searchlights, Light Detection and Ranging (LiDAR) laser scanners, and speaker systems. In addition to their equipment mounts, Meeker also manufactures a popular line of door hinge and pin kits for aircraft. Founded in 1995 and based in California, Meeker has more than 10,000 STC’d products in service and operates as part of Signia Aerospace.
Mezzo Technologies is at the forefront of the rapidly emerging micro channel heat exchange industry. Unlike heat exchangers that rely on fins to transfer heat,microbute heat exchangers use connected sheets of fluid-filled microtubes for efficient and lightweight industrial cooling applications. Since designing and building its first microtube product in 2008, Mezzo has been developing and refining custom microtube heat exchanger capabilities for clients across a wide variety of markets and industries. Located in Baton Rouge, Louisiana, Mezzo operates as part of Signia Aerospace.
Onboard Systems International, is a leading global provider of external cargo handling equipment for civil and military rotorcraft. Onboard’s portfolio of innovative, holistic cargo hook systems, human external cargo (HEC) systems, Onboard Weighing Systems and mission-specific remote equipment is factory-installed on over 30 helicopter models serving both OEM and aftermarket customers. Its lightweight, high-quality products provide operators with increased safety and cost efficiencies through customer-driven designs, responsive service and support, and flexible maintenance options. Founded in 1975, Onboard Systems is based in Vancouver, Washington. Onboard Systems operates as a part of Signia Aerospace, a global integrated provider of high-performance systems and specialized components for the aerospace and defense industry.
Onboard Systems Hoist & Winch is a global leader in Search & Rescue (SAR) and Human External Cargo (HEC) missions. Our field-proven hoists are built to withstand harsh weather and extreme environments to help keep you safe until the job is done. Backed by more than 40 years of proven reliability, our equipment is unmatched in safety and durability, holding the most EASA and FAA rescue hoist certifications in the industry. Based in Anaheim, California, Onboard Systems Hoist & Winch operates as part of Signia Aerospace.
Proven Solutions
When safety, performance, and mission success are non-negotiable, Signia Aerospace delivers. Backed by decades of engineering expertise and specialized manufacturing, our systems are built to meet the exacting standards of modern aviation.
From thermal management to mission-specific equipment, our solutions help operators optimize aircraft performance and achieve operational readiness across every flight profile.
provides solutions for:
- Fixed Wing
- Rotocraft
- eVTOL

Explore Our Markets
Our technologies operate in complex environments across aviation, defense, and industrial operations. Discover how Signia delivers reliable performance for mission-ready platforms worldwide.
We leverage more than 40 years of proven product development with the best emerging technology, crafting customized solutions that ensure our customers experience next-generation performance.
About Us
At Signia Aersospace, our teams are knowledgeable, focused and driven to design solutions that enhance aircraft safety, performance and comfort. Our tenured experts understand how thermal management solutions and specialized mission equipment integrate into larger, complex systems and are dedicated to building long-term partnerships.

Support
We offer worldwide support and service for the products and systems we design, providing quick-turn maintenance and repair solutions that result in lower total cost of ownership for our customers.
