Certifications

ASME

ASME CODE FABRICATION

ASME "U" stamp Accredited

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  • Pressure Vessels

  • Boilers

  • Heat Exchangers

ASME CODE FABRICATION

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B31.1

          B31.3

  • Power Piping Fabrication Standards​​​

  • Process Piping Fabrication Standards

ASME Code Fabrication

  • Fabricate Power Boilers

  • Power Piping 

  • ASME Pressure Retaining Parts

National Board Certifications

NBBI - National Board of Boiler and Pressure Vessel Inspectors

  • Registered and fully compliant with NBBI

NBIC - National Board Inspection Code

  • All repairs and alterations are done to the NBIC requirements

American Welding Society

Sieber has multiple CWI's (certified welding inspector) on staff to ensure high quality throughout the fabrication process

  • D1.1 - Structural Carbon Steel

  • D1.2 - Structural Aluminum

  • D1.6 - Structural Stainless Steel

American Petroleum Institute

Sieber builds tanks to API 620 and 650 Standards

North Carolina Licensing Board for General Contractors

Sieber has an unlimited building license in North Carolina, including all forms of construction without restrictions

Virginia Licensing Board for General Contractors

Sieber has an unlimited building license in Virginia, including all forms of construction without restrictions

Better Business Bureau

Sieber is an accredited A+ member of the better business bureau. 

US Department of Transportation

Sieber is FMCSA certified to perform vehicle inspections and repairs for all cargo containers

Federal Motor Carrier Safety Administration

Sieber is registered with the USDOT

ISNETWORLD

Safety is always first and we communicate our safety plan and documentation through ISNetWorld

HSB Global Standards

Sieber relies on HSB to provide an unbiased third-party inspection on ALL code projects

Fully Insured

  • $7,000,000 in General Liability insurance

  • $1,000,000 in Workmans Compensation insurance

  • Sieber can also be bonded if the project requires it