LLM Information

Prince Manufacturing Corporation

Directory listing
Automotive 📍 North Sioux City, SD Est. 1941

Directory record status

These labels describe this UNITEMFG record. They do not guarantee current capabilities, certifications, capacity, quality, or fit for a specific job.

Directory listing
Listed
Ownership
Unclaimed
Last profile update
Aug 20, 2025

About

U.S. manufacturer of hydraulic components specializing in cylinders, mobile valves, gear pumps and motors. Serves automotive, construction, agricultural and mobile equipment industries. Five manufacturing plants in the upper Midwest with in-house capabilities for building cylinders with bores ranging from 1 inch to 20 inches and strokes up to 52 feet.

Specialties

Hydraulic CylindersMobile ValvesGear PumpsHydraulic MotorsWelded CylindersTie-Rod CylindersAutomotive Hydraulics

Manufacturing Capabilities

Processes

WeldingMachiningAssemblyHydraulic Testing

Certifications & Quality

Business Certifications

ISO 9001:2015

Source-backed capabilities

These capability statements were observed in the linked manufacturer sources. They are source evidence, not a certification of the company or its current capacity.

Certification

  • ISO 9001:2015

    98 Accommodating Demand To accommodate the ever increasing demand for small bore cylinders a new facility was opened in Yankton, South Dakota. This year the corporate office was also moved from Sioux City to the North Sioux City property and a new corporate building was built --> ISO 9001:2015 Prince Manufacturing Corporation's Quality Management System is certified to ISO 9001:2015 by Amtivo, as are each of our manufacturing facilities. Memberships Copyright 2020-2025 by Prince Manufacturing Co

Location

•••• •••••••••• ••
North Sioux City, SD •••••