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Your Global Partner in Flow Management

In its 45th year of operation, Master Flo Valve Inc. stands as a seasoned and trusted partner in the global oil and gas industry, specializing in surface and subsea flow management solutions. Our extensive experience allows us to offer a wide range of solutions, including choke valves, control valves, actuation, and automation. We are committed to leveraging our deep-rooted expertise and worldwide support network to reduce operational costs and optimize production, ensuring reliable flow throughout the life of your oil and gas fields.

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Our Story


Pioneering Flow Management Solutions

Master Flo Valve Inc. is the technological leader and world-class manufacturer of surface and subsea chokes, specialty control valves and supporting actuation.

Privately-owned, proudly independent, and upholding a vision of excellence, our company structure offers the flexibility to adapt to ever-evolving market needs and developments, quickly and efficiently, providing you with the level of commitment you expect from a critical component supplier.

Since 1979, our goal has been to design and produce the highest quality chokes and control valves available in the industry, only equalled by our innovative engineering, creative R&D and outstanding quality assurance programs supporting the complete Master Flo product offering.

From our Edmonton facility of over 80,000 square feet located on 8 acres of land, we house in a single location our Engineering, Manufacturing and Research & Development teams, Aftermarket support group and facilities.

Our world-class facility embodies our commitment to product development and manufacturing excellence, playing a key role in our ability to maintain our position as the industry leader in choke technology.

Complemented by a global network of sales locations and service centers, Master Flo is positioned better than ever to support your local operations, wherever you are. More than ever, the leading designs and material technologies utilized in the conception of our chokes are available to resolve your most demanding choke applications.

When uptime is your main concern, you can turn to Master Flo, the leader in choke technology, for optimum performance and lower cost of ownership.

Community Involvement


At Master Flo, we believe that our responsibility extends beyond providing industry-leading solutions in flow management. We are deeply committed to making a positive impact in the communities where we operate, understanding that our success is intertwined with the well-being of our neighbors, the environment, and society at large.

Through various initiatives, partnerships, and volunteer efforts, we strive to contribute to a sustainable future, support educational endeavors, and assist in local development projects. Our dedication to community involvement reflects our core values and our belief in the power of collaboration to create lasting, positive change.

Community Insights

Cancer treatment within Alberta is set to gain a significant boost following a generous donation from Stream-Flo Group of Companies President and CEO Mark McNeill....

FOR IMMEDIATE RELEASE EDMONTON, August 30, 2023 The Stream-Flo Group of Companies today announced its proud support of a crucial education initiative, providing detailed and...

We are proud to announce that our president and CEO, Mark McNeill, has been named EY Entrepreneur Of The Year® 2023 Prairies Overall Award winner....

Our Commitment


Our commitment to customer partnership is at the core of our company culture. We continually strive to increase the value we provide to our customers. From innovative Research and Development to world-class manufacturing and comprehensive global services, we are dedicated to your success.

Global Reach


Headquartered in Edmonton, Alberta, Canada, our 80,000-square-foot facility on 8 acres of land houses our Engineering, Research and Development, and Manufacturing. We complement this with a network of strategically located sales and service centers worldwide, ensuring local support for your operations.

Guiding Principles


At Master Flo, we live by our Guiding Principles, which reflect our core values and key partnerships:

Customers: We aim for customer success and satisfaction, making us the preferred business partner.

Employees: We value and respect our employees, fostering their growth and commitment to our shared success.

Suppliers: Long-term, mutually beneficial relationships with suppliers are essential to our success.

Communities: We are dedicated to being good corporate citizens, giving back to the communities we serve.

Our Principles

Our business decisions and operations are guided by key principles:

Health, Safety, and Environment: We prioritize the health, safety, and well-being of our stakeholders.

Integrity: We uphold our reputation for honesty, ethics, and doing what’s right.

Quality: Quality is our commitment, and we strive to do things right the first time.

Innovation: We lead with innovative solutions that deliver outstanding functionality, reliability, and value.

Independence: Our independence empowers us to make the best choices for our customers and company.

Growth: We are committed to strategic and profitable growth for the benefit of all stakeholders.

Vision Statement and Quality Policy


Vision Statement: Our vision is to be the global partner of choice for essential flow management, with a commitment to long-term partnerships, continuous innovation, and solving real-world challenges.

Quality Policy: The Stream-Flo Group of Companies operates under a unified quality policy, ensuring our commitment to excellence is reflected in all our products and relationships.

Join us in shaping the future of flow management solutions.

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