Operating Companies

BASF LogoBASF Corporation is the largest affiliate of BASF SE and the second largest producer and marketer of chemicals and related products in North America. At BASF, we create chemistry for a sustainable future. We combine economic success with environmental protection and social responsibility. Through science and innovation, we enable our customers in nearly every industry to meet the current and future needs of society. Find out more at

BP LogoBP: The energy we produce serves to power economic growth and lift people out of poverty. The way heat, light and mobility are delivered is changing. We aim to anchor our business in these changing patterns of demand, rather than in the quest for supply. We have a real contribution to make to the world’s ambition of a low carbon future. Visit us at

Chevron Corporation LogoChevron is one of the world’s largest integrated energy companies. Headquartered in San Ramon, California, we conduct business in more than 100 countries. We are engaged in every aspect of the oil and natural gas industry, including exploration and production, manufacturing, marketing and transportation, LNG, geothermal, and power generation. At Chevron, we are relentlessly focused on producing safe, reliable energy now and for the future. How are we doing it? By applying the energy we have most in abundance: Human Energy.

Citgo LogoCITGO Petroleum Corporation, with headquarters in Houston, refines, markets and transports gasoline, diesel fuel, jet fuel, lubricants, petrochemicals, and other petroleum-based industrial products. CITGO owns and operates three highly complex crude oil refineries located in the U.S. CITGO’s combined aggregate crude oil refining capacity positions it as one of the largest refiners in the nation. The company operates of the largest petroleum product terminals networks in the country. CITGO Petroleum is owned by CITGO Holding, Inc., an indirect, wholly owned subsidiary of Petróleos de Venezuela, S.A. (PDVSA), the national oil company of the Bolivarian Republic of Venezuela.

Flint Hills Resources LogoFlint Hills Resources owns and operates refineries, producing cleaner-burning fuels that aid communities in meeting clean air goals. The petrochemicals produced at Flint Hills Resources facilities become key ingredients in a variety of consumer products used globally such as plastic beverage bottles and athletic shoes. Flint Hills Resources also offers supply and marketing capabilities – ensuring crude oil for its refineries, and supplying petrochemicals and base oils to global markets.


Control System Vendors

Emerson LogoEmerson Process Management is a leading global supplier of products, services, and solutions that measure, analyze, control, automate, and improve process-related operations. Evolved from the business previously known as Fisher-Rosemount, it has over 600 locations in more than 85 countries.

Yokogawa LogoYokogawa’s global network of 86 companies spans 56 countries. Founded in 1915, the US$4 billion company conducts cutting-edge research and innovation. Yokogawa is engaged in the industrial automation and control (IA), test and measurement, other business segments. The IA segment plays a vital role in a wide range of industries including oil, chemicals, natural gas, power, iron and steel, pulp and paper, pharmaceuticals, and food. For more information about Yokogawa, please visit the website

Founding Member


Beville, formed in 1984, provides state of the art human factors engineering technology to the petrochemical industry. Human factors engineering is the scientific discipline dedicated to improving the human-machine interface and human performance through the application of knowledge on human strengths, weaknesses, and characteristics. Beville offers its customers an objective look at the human factors of plant operations that is backed by over 30 years of experience and data from more than 500 projects. Beville is a company dedicated to identifying and solving difficult human performance problems.

Send us an email if you’d like a board representative’s contact information.