414-764-6630 (414) 764-9763 7355 S. First St. • Oak Creek, WI 53154 Email Us Monday-Friday 8:00AM-4:30PM

Capabilities & Equipment List

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Zierden’s 45,000 square foot facility has a variety of precision machine tools operated by highly skilled machinists. Our machinists have combined hundreds of years of job shop machining experience and use that knowledge to convert raw material into precision machined components ready for assembly.



Zierden has vertical CNC turning capabilities from 72”-144” swing and up to 120” under the rail. We also have horizontal up to 24” OD and 180” in length

Milling and Boring

Zierden has one the largest CNC horizontal boring bars in the area for precision machining of parts up to 456” x 144” and weights up to 80,000 lbs. We have smaller boring bars up to 156” x 96” with CNC rotary tables and one with a 60 position automatic tool changer for production type work.


Hydraulic Manifolds

Zierden specializes in the machining of large high pressure hydraulic manifold blocks for the fluid power and forging industry.


Gear Cases

Zierden also specializes in machining gear cases and gear housings for a variety of industries including oil and gas, crane, steel, paper and power generation. We also have the capabilities to repair or rebuild existing gear cases.

Contact Us

(414) 764-9763

7355 S. First St.
Oak Creek, WI 53154

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