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With 100,000 square-feet of machining floor space that includes over 100 modern machines and a wide variety of various processes, Petersen Inc.’s precision machining team has the ability to build virtually any product.


Petersen Inc. is continually investing in modern, state-of-the-art equipment as well as facility upgrades to allow us to produce precision machined components.  We recognize the importance of maintaining the highest quality standards found in the industry with competitive pricing. We have experience working for various industries, including:

  • Aerospace
  • Amusement Parks
  • Commercial Aviation
  • Defense
  • Food Service
  • Hydro
  • Industrial
  • Medical
  • Mining
  • Nuclear
  • Petrochemical
  • Transportation


Turning Machines

Turning machines, or lathes, are just one of the many machining capabilities that allow us to create the highest quality parts for every project.

We offer a wide variety of turning centers ranging from 1-inch to 15-feet in diameter, 10-feet under-the-rail (CNC). Petersen Inc. machines parts for many highly-specialized industries with exact part specifications, and can meet the needs of these companies with the use of turning centers, lathes and other machines at all facilities.

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Milling Machines

With a wide variety of milling machines to meet the needs of many different industries, we are capable of machining virtually any specific part using many different materials with precision and quality, right in our own facility. All products manufactured by our expert machinists are certain to be a high-quality product.

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Precision Machining

Our wide floor space means our facilities can house a range of precision machines, such as:

  • Multi-axis CNC machining
  • Horizontal sleeve boring
  • Horizontal machining up to 12 x 62-feet
  • Turning up to 15-feet diameter
  • Milling
  • ID/OD grinding
  • Surface grinding
  • Wire EDM
  • Sinker EDM
  • Heat treat
  • Vibratory deburring
  • Black oxide surface treatment

We’re also capable of designing and building plastic injection molds, die assemblies and precision machined components.

Quality precision-machined parts are the expectation from all our customers. Petersen Inc.’s quality system includes an in-house metrology lab and certified inspectors. The latest validation equipment ensures the best measurement possible.

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Large Precision Machining

We’ve taken large precision machining to a higher level. A winning combination of technology, lean manufacturing techniques and teamwork allows Petersen Inc. to successfully service a number of industries.

Petersen Inc. engineers and technicians turn a concept into a reality, using programs such as Master Cam as their programming module. Our staff of highly trained machinists is kept up-to-date with continual in-house training classes and an active state-recognized machinist apprenticeship program.

Machining operations consist of both large and small machines, and ours are capable of:

  • Turning: Up to 15-feet diameter, 10-feet under the rails
  • Milling: Up to 12 x 62-feet horizontal


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Small Precision Machining

Petersen Inc.’s small precision machining, climate-controlled facilities provide a one-stop shop where capabilities extend far beyond machining. One benefit of using Petersen Inc. is its large stock of common materials which allow quick response to orders using in-stock materials. Along with over 100 state-of-the-art machines, other support capabilities are available, such as:

  • Heat treat (18 x 9 x 12-Inches)
  • Black oxide
  • WaterJet (4 x 8-Feet)
  • EDM (wire and sinker – both 12-inch cubed)
  • Weld support
  • CMM inspection (3 x 4 x 2-Feet)
  • 5-axis machining
  • Precision fabrication
  • Engineering
  • Drill grinder
  • Surface plate
  • Hardness tester
  • IT support
  • Granite table
  • Bench grinder
  • Bench sander
  • Height gauge

While Petersen Inc. is intimately familiar with common tool steels and aluminum, it is no stranger to exotic materials such as:

  • Aluminum Alloys, 214, 2024, 5052, 6061, 6063, 7050, 7075
  • Alloy Steel 4130, 4140/42, 4330M, 4340, 8620, 52100, etc.
  • Tool Steels A2, D2, O1, S7, and most any other tool steels
  • 1018, 1045, 12L14, 11L17 steels
  • Stainless Steels: 303, 304, 316, 416, 440, 17-4, 15-5, Nitronic
  • Copper, Brass and Aluminum Bronze of any specifications
  • Inconel, Hastelloy, Waspalloy
  • Phenolic, Nylatron, Acetal, UHMW, Ultem, Teflon, Tefzel and almost any plastic
  • Titanium
  • Magnesium
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