Efren Zubia Jr
President & CEO
Efren Zubia Jr
President & CEO
Efren Zubia is the owner and founder of AZ Field Services, an oil and gas service company he established in 2013 with just one truck. Since then, the business has experienced significant growth, now employing over 70 individuals and offering a wide array of services. These include trucking operations, roustabout services, heavy equipment management, facility design, construction, maintenance, and environmental remediation. Under Efren’s leadership, AZ Field Services has become a trusted name in the industry.
Originally from Midland, Texas, Efren graduated from Midland Lee High School in 2010. Growing up in the Permian Basin allowed him to develop a deep understanding of the local energy sector, which has been instrumental in building a company that effectively meets the community’s needs. Over the years, AZ Field Services has earned a reputation for providing reliable, high-quality work with a strong emphasis on safety, efficiency, and sustainable practices.
What began as a one-truck operation has evolved into a multi-divisional company, and Efren takes pride in how far the business has come. He adopts a hands-on leadership style, remaining deeply involved in all aspects of the company to ensure smooth operations while continuing to grow and diversify.
With a keen eye for innovation and an unwavering commitment to quality, Efren has instilled a company culture that values both teamwork and individual initiative. Employees are encouraged to bring fresh ideas to the table, leading to a dynamic and creative work environment. As a result, the company has expanded its offerings, entering new markets and establishing a reputation for excellence. Efren’s dedication to sustainability has also driven the business to implement eco-friendly practices, further enhancing its appeal to conscientious consumers. Looking to the future, he envisions continued growth, driven by a passion for excellence and a steadfast commitment to the values that have brought them this far.
Efren has been married to his wife, Mavel, since 2011. Together, they have four children: Aliyah, Efren III, Cristian, and Olivia. When he is not at work, Efren cherishes the time spent with his family, who are his top priority. Whether it’s a weekend getaway or a quiet evening at home, family time keeps him grounded and motivated.








