Pioneer Service Inc.

Illinois contract shop for small, tight tolerance CNC Swiss turned parts from bar and tube stock.

Tier $$$$CNC machining
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What they do

Pioneer Service Inc. is a contract manufacturer in Hodgkins, Illinois, making custom metal and plastic parts from bar or tube stock. Its platforms are CNC Swiss lathes, screw machines and turning centers, plus two types of centerless grinding.

The shop specializes in small, complex turned parts with tight tolerances for aerospace, medical, dental, test and measurement, energy and industrial customers, and offers FAI, AS9102 FAI and PPAP reporting.

Its quality management system is certified to AS9100:2016 and ISO 9001:2015, and the company states 30 years of contract manufacturing experience. Quotes are given by request, typically within 1 business day, and the site states no standard delivery lead time.

Capabilities

  • CNC machining

    CNC Swiss machining and centerless grinding for small, complex turned parts with tight tolerances, including prototype, small, medium and high volume orders.

    Source

Commercial terms

Minimum order

Not stated

Lead time

Not stated

Quoting

By request

Cost tier $$$$ of $$$$, ProductFlo classification

AS9100 aerospace machine shop for tight-tolerance Swiss turned parts across aerospace, medical and defense work, which matches the high-reliability regulated specialist tier.

Alternatives

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Sources

  1. 1Frequently asked questionspioneerserviceinc.com
  2. 2Swiss machining 101pioneerserviceinc.com
  3. 3Qualitypioneerserviceinc.com

Not verified

  • ITAR status
  • MOQ
  • lead time

Last verified November 7, 2026. Listings are informational and are not endorsements. Cost tiers are ProductFlo's classification, not quotes: confirm pricing, lead time and capability with the vendor.