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 Series (2021); API Monogram Program / APIQR News
In this Industry Insight series, Bud Weightman discusses his recent attendance at the American Petroleum Institute’s 2021 Winter Standardization Conference, held virtually on January 21st, 2021. Bud’s primary focus was on subcommittee updates and news from the API...
API Winter Standardization Conference Series (2021); SC20 – Subcommittee on Supply Chain Management
Suppliers who furnish product or services in accordance with SC20 documents could be considered to be Critical Suppliers as addressed by Spec Q1, Clause 5.6.1, Purchasing Control, therefore it is important to evaluate your supply chain and include appropriate language in purchasing documents.
API Winter Standardization Conference Series (2021); SC18 – Subcommittee on Quality
API Spec Q1 (10th Edition) and API Spec Q2 (2nd Edition) are currently in the ballot review and comment phase. While it may seem that this is business as usual, companies licensed under an API product specification or who have a quality management system certification are obliged to follow API Spec. Q1, Clause 4.4.4, Use of External Documents in Product Realization.