Technical Report 18TR4 Released

API Technical Report 18TR4 – Evaluation of Welding Requirements as Applicable to API Product Specifications – has been released! Our Reputation. Bud Weightman, President of QSI, is an international management systems expert involved with management...

API 20M Released

API 20M – Qualification of Suppliers of Machining Services for Use in the Petroleum and Natural Gas Industries – has been released. Our Reputation. Bud Weightman, President of QSI, is an international management systems expert involved with management...