Best fortune 500 companies in Pasadena, TX

Kinder Morgan is the largest midstream and the fourth largest energy company (based on combined enterprise value) in North America. They own an interest in or operate approximately 82,000 miles of pipelines and 180 terminals. Their publicly traded companies include Kinder Morgan, Inc. (NYSE: KMI), Kinder Morgan Energy Partners, L.P. (NYSE: KMP), Kinder Morgan Management, LLC (NYSE: KMR) and El Paso Pipeline Partners, L.P. (NYSE: EPB).

Founded in 1919, Halliburton celebrates its 100 years of service as one of the world's largest providers of products and services to the energy industry. With 60,000 employees, representing 140 nationalities in more than 80 countries, this company helps its customers maximize value throughout the lifecycle of the reservoir -- from locating hydrocarbons and managing geological data, to drilling and formation evaluation, well construction and completion, and optimizing production throughout the life of the asset.

The Dow Chemical Company (Dow) is engaged in the manufacture and sale of chemicals, plastic materials, agricultural and services, and other specialized products and services. It delivers a range of products and services to customers in approximately 160 countries to growth sectors such as electronics, water, energy, coatings and agriculture. The Company operated 214 manufacturing sites in 37 countries. Dow operates in eight business segments: Electronic and Specialty materials, Coatings and Infrastructure, Health and Agricultural sciences, Performance systems, Performance products, Basic plastics, Basic chemicals, and Hydrocarbons and Energy. The Company is also engaged in the property and casualty insurance and reinsurance business primarily through its Liana Limited subsidiaries. In May 2010, OMNOVA Solutions Inc. acquired The Dow Chemical Company's hollow sphere plastic pigment (HPP) product line and terminated the RohmNova paper coatings joint venture.

Valify is a healthcare cost management company exclusively dedicated to controlling purchased services expense. This company's web-based technology platform allows healthcare organizations to quickly identify, benchmark, and manage savings in over 1,200 categories. With proprietary benchmarking analysis, market share insights, and prebuilt category-specific RFP templates, Valify provides a proven end-to-end purchased services solution for organizations to proactively manage expense, increase staff productivity, and realize significant savings.

Tenet Healthcare Corporation is a diversified healthcare services company with 115,000 employees united around a common mission: to help people live happier, healthier lives. Through its subsidiaries, partnerships and joint ventures, including United Surgical Partners International, this company operates general acute care and specialty hospitals, ambulatory surgery centers, urgent care centers and other outpatient facilities.