About Us

Founded on an entrepreneurial spirit and passion for his craft, Superior Tank was established in 1984 by Mr. Jess E. Marquez. Currently acting as Chairman of the Board, Mr. Jess Marquez pioneered the application of powder coatings to the bolted steel tank, which revolutionized the storage tank industry. Jess, with the help of his family, transformed Superior Tank into one of the world’s leading bolted and welded steel storage tank manufacturers. Over the last three decades, considerable time, effort and financial investment have been made in the latest technology in order to refine our manufacturing processes and production capacity. The result being the industry’s premier bolted and welded steel storage tank, crafted with precision, durability and passion.

Personifying Jess’ greatest traits, integrity and honesty, the Superior Tank team strives every day to exemplify these core principles to each of our partners and customers. We take pride in the quality of our work to deliver you a Superior product. Additionally, we strive to provide an exceptional customer experience and make you feel like part of our family.

As a company focused on innovation, Superior Tank constantly strives to advance the quality of our products and processes, while prioritizing customer service and relationships with our customers.


Superior Tank Co., Inc. has a long and well-established history as a manufacturer and builder of bolted steel tanks and welded steel storage tanks. Our background dates back to 1984 when our Founder, Jess Marquez started Superior Tank Co., Inc. The company is still is family owned and operated with a focus on outstanding customer service and continuously making our products better. Over the past three decades, there have been numerous milestones.

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Innovation is one of our core beliefs and we are always looking for ways to improve our product in order to ensure that we have the highest quality bolted and welded steel storage tanks on the market. Advancements to our powder coating line, SiZr Seal and EPDM gasket have enhanced the durability and functionality of our tanks.


Superior Tank continuously aims to improve its processes in order to maintain productivity and efficiency, so that we can deliver a high-quality product to our customers at a competitive manufacturing time; all while maintaining API SPEC Q1, FM Approvals, NSF 61/372 and ISO:9001 certifications


As a family business, we understand the importance of building and nurturing relationships with each one of our customers, vendors and employees. Providing exceptional customer service is at the forefront of our mission and is instilled in the minds of each employee here at Superior Tank.


ANAB Accredited

License Number 2141



API Spec Q1
License Number Q1-2039
NSF Certified

C0349754 & C0349755

FM Approved



Jess Marquez
Chairman of the Board & Founder

Mr. Jess E. Marquez, Chairman of the Board & Founder of Superior Tank, is a true American success story. Founding the company at 54 years old in 1984, Jess decided to take a huge leap of faith, one that he had been preparing for his whole life. Garnering over 40 years of experience working in the steel industry since arriving to the United States, Jess had the knowledge to create a bolted tank which was superior to what was being produced at the time. Read More

James Marquez
President & CEO

James Marquez embodies the dedication to hard work started by his father, Jess. James started in the family storage tank business working in the manufacturing facility. After high school, James attended Cal Poly San Luis Obispo and received his degree in Construction Management.

James joined the company full time in 1992 and served as Chief Financial Officer and Engineering Manager for over 10 years. Read More

George Marquez
Inside / International Sales Manager

George Marquez, has over 30 years of experience in project management, estimating & sales in the steel storage tank industry with Superior Tank. Currently, George serves as Sales Manager at the Corporate Headquarters, where he oversees bolted tank sales for sections of the United States and International markets. Joining the company full-time in 1987 after completing his B.A. degree in Political Science from Cal Poly San Luis Obispo, George began his career in the field to gain product knowledge and installation experience.Read More

Eric Marquez
Operations & Plant Manager

Eric Marquez, oldest of the four sons, is the manufacturing mastermind and Plant Manager here at Superior Tank who brings over 33 years of knowledge and experience in the steel tank industry. Beginning work in the family business at the age of 16, Eric has become well versed in just about every aspect of the product, including field operations, manufacturing, production and logistics. Since joining the company full-time in 1985, Eric has manufactured nearly all of Superior Tank’s bolted tanks while leading by example and hard work, just how his father had taught him.Read More

Lewis Marquez
Bakersfield Division Branch Manager

Lewis Marquez is a seasoned veteran in the steel storage tank industry with over 30 years of experience working at Superior Tank. Serving as the Branch Manager of the Bolted Tank division in Bakersfield, CA, Lewis oversees the day-to-day operations and manages all sales for Northern California. Working for Superior Tank since its opening day in 1984 as a Field Crew Operator, Lewis was heavily involved in getting the company off the ground. Leading to roles in Estimating, Sales, Project Management and Operations, Lewis has shown his drive to provide each of his customers with the highest quality product with a seamless installation.Read More

Jhon Godoy
CIO / Production Manager & Senior Quality Management Representative

Jhon joined the company full time in 2000 after graduating with an Industrial Design Degree from Pontifical Bolivarian University in Colombia. Jhon currently leads the IT, Production, and Quality Assurance Departments. As CIO, he is deeply committed to the philosophy that technology is a means to a competitive modern enterprise. Jhon is extremely passionate about our Quality Management Systems which ensures our bolted steel tanks meet or exceed our customers’ expectations.Read More

Michael D. Anderson
Bakersfield Division Manager

Michael heads up the Welded Tank Division based in Bakersfield, CA. Mike has established himself as a hard worker and a diligent construction professional with vast experience in small and large capital construction management, safety leadership, mentoring, maintenance planning and construction administration. Over the last 27 years, Mike has successfully completed over 70 million dollars in small scale pilot projects with zero work days lost due to accidents. Read More