Enterplast Inc

Founded in 1986, CAMAC International Corporation specializes in the transportation, exploration, production and storage of crude oil and natural gas. The company has crude oil exploration and production operations in western Africa and South America. CAMAC International Corporation is also engaged in the trading of crude oil, refined products, natural gas and wholesale electric power. It maintains affiliated offices in Colombia, South Africa, Nigeria and the United Kingdom. With annual revenues of more than $2 billion, the company has been ranked one of the 400 largest privately-owned corporations in the United States by Forbes Magazine.

Founded in 1953 by O. J. Tauber, Sr., this second generation, Houston-based, family business is an independent marketer of petroleum and petrochemical products for major and independent oil companies, major petrochemical producers and consumers, and small to medium-sized end-users. Tauber Oil Company became ISO (International Standards Organization) certified in December 1995.

Founded in 1945, Puffer-Sweiven is one of the leading suppliers of products and services for process control and flow control. Located in Corpus Christi, Texas, it serves several industries including oil and gas, refining, petrochemicals, utilities, power and pulp and paper. The firm offers a broad range of process and automation products, asset management solutions, control systems and instrumentation among others. Some of Puffer-Sweiven's additional offerings include final-control devices, systems and software, pressure protection, safety instrumented systems, control automation and services products. It also provides its services to the engineering contractors and conducts business with over 5,000 customers.