Aerospace and Aviation
We manufacture for the aerospace industry including commercial aviation, general aviation, helicopters,drone launch systems, and satellites by providing purpose-built parts that are lightweight, resistant to corrosion and dimensionally stable. We are an approved manufacturer for many major OEM pulley standards, as well as holding FAA-PMA approval for a wide variety ofparts for replacement. Ralmark Company is AS9100 and ISO9001 certified to manufacture flight control pulleys for the aerospace industry. We manufacture to the highest industry standards and outsource specific industrial processes (i.e., anodizing, chemical conversion coating, etc.) to one of our certified quality partners, ensuring quality and safety at every stage of the fabrication process.

We supply the following OEM’s:

The Boeing Company


Lockheed Martin



Cessna Aircraft

New Piper Aircraft

Critical Flight Control Applications:

Primary Flight Control :




Landing Gear

Secondary Flight Control:



Wing Trim Systems

Safety Redundant Systems

Ralmark Company has a long history of creating and customizing pulleys for our customers needs. With over 50 years of experience in aerospace manufacturing, let Ralmark Company be a partner in your success. Please contact us to access our team of experts.

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