PRICING AND AVAILABILITY HOME ABOUT US PRODUCTS CONTACT US CATALOG ONLINE SERVICES SUPPORT Do you get frustrated with poor Customer Service from your hydraulics supplier? Experience the Prince Difference Has poor quality from your supplier caused you to struggle meeting commitments? Experience the Prince Difference Have missed delivery dates created stress for your business? Experience the Prince Difference Now Hiring! - Click Here 3D CAD models/.stp files for our Product Lines - Click Here Parts Manuals for our Product Lines - Click Here WHO WE ARE Prince Manufacturing Corporation traces its roots to a small machine shop by John Prince in 1941. We were incorporated by his son, Richard, in September of 1950 when a contract to produce 100 custom hydraulic cylinders was landed. We continue to make custom hydraulic cylinders, valves and pumps serving a wide variety of markets. To serve our customers even better, we offer standard cylinders, valves, pumps and motors. Our warehouse is stocked with over $3 million of items. Ask about same day shipping when you’re faced with an urgent situation. Read More » ISO 9001:2015 Prince Manufacturing Corporation's Quality Management System is certified to ISO 9001:2015 by Orion Registrar, Inc, as are each of our manufacturing facilities. MEMBERSHIPS CONTACT US (605) 235-1220 prince@princehyd.com More >> THE PRINCE APP load it on your Apple or Android Device ad use to easily perform hydraulic calculations and configure pumps, valves and cylinders. Copyright 2020-2025 by Prince Manufacturing Corporation Privacy Statement | Terms of Use