Shell & Tube Heat Exchangers
ASME Pressure Vessels
Custom Fabrication


Quality Control & Safety

Quality Control System

Mason Manufacturing operates under a formal, Quality Control System. It is the company’s policy to comply in every respect to all rules and regulations stipulated in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, the National Board Inspection Code, Jurisdictional Requirements and the company’s Quality Control Manual.

Mason Manufacturing defines Quality as conformance with customer specifications; required codes and accepted industry standards.

Management fully supports the Quality Control System and the Quality Control Manager, who reports directly to the company President, has the authority and responsibility to implement this program.

Mason Manufacturing Quality Control System

  • Dedicated Quality Control Manager
  • Authorized Inspection (AI) – Arise Insurance Company
  • Audited Quality System
  • ASME Code Stamps – “U”
  • Repair & Alteration Stamps – NBIC “R” Stamp
  • TEMA Standards
  • API 650 Standards
  • Certified Welders
  • Non-conformance tracking and reporting

ASME-R (1)Certification_ASME-137x150

Safety Policy

The Safety Policy of Mason Manufacturing is to comply with the standards of the Occupational Safety and Health Act (OSHA) and to endeavor to have a safe and injury/illness free workplace.

At Mason Manufacturing, all employees share in the responsibility to promote and implement safe work practice to ensure a safe work environment for all employees and visitors.

Compliance with the rules, regulations, and procedures contained in the Safety Policy are mandatory for all company employees and visitors. The company takes every reasonable precaution to ensure employees have a safe working environment. Periodic, independent audits are conducted to ensure compliance with the Safety Policy.