Who We Are
Qualified Specialists, International (QSI) is a professional consulting, training, and management systems technology firm headquartered in Houston, TX. Founded by R.T. (Bud) Weightman in 1989, QSI has a global presence and has implemented and assessed management systems in over 28 countries world-wide – with certifications ranging from ISO 9001, ISO 14001, OHSAS 18001, API Spec. Q1 / Q2, AS9100, and more.
Our specialty spans quality, health and safety, and environmental (QHSE), and our products and services have been applied in engineering, manufacturing, fabrication, distribution, service, projects, and operations.
We excel in helping our clients to achieve regulatory compliance, certification, and industry licensing through our superior software solutions, consulting services, and industry-leading training.
Complete Quality Management System Services
Consulting Services

Annual internal audits for maintaining your certification.
Supply chain management services – supplier audits.
Gap analyses to identify “gaps” in processes or system documentation.
Industry-leading Training

API Spec. Q1 – For manufacturing companies seeking certification.
API Spec. Q2 – For servicing companies seeking certification.
API Lead Auditor – For individuals seeking auditor certification.
Software Solutions

Store manuals, procedures, forms, work instructions, job descriptions, records, and revisions in a secure location for ultimate document control
Instant reporting and visibility to critical areas of your QMS.
Client Testimonial
“QSI’s web-based software allows my business and employees to function seamlessly at multiple locations around the world. Customer service levels and employee efficiencies have significantly improved through our use of their software.”
Countries with Successful Implemenations
Years of Combined, Hands-on Consulting Experience
%
Customer Satisfaction in Countries Across the World
API Winter Standardization Conference 2018
Important updates regarding API SC18 and SC20 developments. Bud Weightman receives Resolution of Appreciation for committee work…
Technical Report 18TR4 Released
API Technical Report 18TR4 – Evaluation of Welding Requirements as Applicable to API Product Specifications – has been released!
API 20M Released
API 20M – Qualification of Suppliers of Machining Services for Use in the Petroleum and Natural Gas Industries – has been released.