Precision Pulley Manufacturing
For Diverse Applications

Pulleys manufactured for use by the U.S. military and Department of Defense must comply with stringent military specifications (Mil-Spec).

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 offer a wide range of pulleys and sheaves suitable for your production assemblies or manufacturing equipment. Our customers choose Ralmark Company pulleys and sheaves when they require reliability and dependability for their medical device applications.

Modern theater stage effects demand more from rigging components than ever before. A theatrical stage is comprised of many complex rigging components.

Marine environments are some of the most challenging that any component or assembly can face. Sheaves are widely used throughout the industry for a variety of pulling and lifting functions.