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We Know Quality

Quality and safety are at the core of everything we do. At O’Brien Steel, we practice our QES Policy: To meet our customers’ Quality requirements, with minimal impact on the Environment, while providing a Safe workplace for our employees.

Certifications

O’Brien Steel Service is registered to the following standards:

  • ISO 9001:2015 Quality Management System
  • ISO 45001:2018 Occupational Health & Safety Management System

O’Brien Steel Service Co.

  • Peoria
  • Milwaukee
  • Wausau
  • Lacon
  • Minonk
  • Congerville
  • St. Louis
  • Certified Heat Treating
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  • Peoria
  • Milwaukee
  • Wausau
  • Lacon
  • Minonk
  • Congerville
  • St. Louis
  • Certified Heat Treating
Contact O’BrienCall Toll Free
(800) 322-4450, or
sales@obriensteel.com

© O’Brien Steel Service 2025