Houston Oil Metering & Enterprise LLC

Marathon Oil Corporation is engaged in worldwide oil exploration and production of crude oil and natural gas, as well as the domestic refining, marketing and transportation of petroleum products. Marathon Oil Corporation is headquartered in Houston; it is one of the leading oil companies with operations in four continents. Marathon Petroleum Company is a limited-liability company that is wholly owned by Marathon Oil Corporation. The company specializes as a cost-effective and competitive refining, marketing and transportation company that has more than $8 billion in assets. Clarence P. Cazalot Jr. has been the chief executive officer of Marathon Oil for more than 4 years. He has been with the petroleum company for over 6 years. Cazalot Jr. has a bachelor s degree from Louisiana State University. The company s network of operations encompasses more than 20 states in the United States.

ConocoPhillips Company is an international energy company. It is the third-largest integrated energy company in the United States, based on market capitalization, oil and gas proved reserves and production and one of the largest refiners in the United States. It is a non-government controlled company and recognized for its technological expertise in deepwater exploration and production, reservoir management and exploitation, 3-D seismic technology, high-grade petroleum coke upgrading and sulfur removal throughout the world. James J. Mulva has been the chief executive officer of ConocoPhillips for more than seven years. He has been with the company for 33 years. Mulva holds a BBA and MBA from the University of Texas El Paso. Headquartered in Houston, the company has nearly 35,800 employees throughout the world and assets of $104 billion. ConocoPhillips stock is listed on the New York Stock Exchange under the ticker symbol COP. The company has four core activities throughout the world, which include petroleum exploration and production; petroleum refining, marketing, supply and transportation; natural gas gathering, processing and marketing, including a 50-percent interest in Duke Energy Field Services; and chemicals and plastics production and distribution through a 50 percent interest in Chevron Phillips Chemical Company.

Holcomb Environmental Oil Services, LLC is a well-established company with 49 years of experience in handling petroleum and chemical products. Since our inception in 1973, we have been dedicated to serving the community of Houston with excellence. As active members of various organizations within the city, we take pride in our contributions to the local industry. At Holcomb Environmental Oil Services LLC, we are fully certified and permitted to transport and recycle used oil, filters, and engine coolant in strict adherence to federal, state, and local regulations. Our services encompass sampling, analysis, and the purchasing of oil, ensuring that our operations meet the highest standards of environmental compliance. Our core focus is on customer service, environmental protection, and personal security. We are committed to providing outstanding services that not only meet regulatory requirements but also contribute to a cleaner and safer environment for all. Holcomb Environmental Oil Services is dedicated to leveraging our expertise to benefit our clients, and we welcome the opportunity to demonstrate the value we can bring to your operations.