J. Anderson

Layne Christensen Co. operates as a water management, construction, and drilling company. It provides water management solutions for government agencies, commercial water suppliers, industrial facilities, and energy companies. The firm also offers specialized construction solutions for the management of water in any industry or environment. It defines the source, depth, magnitude, and overall feasibility of water aquifers, and drill high-volume wells suitable for supplying water to government agencies, industrial, and agricultural customers. The company was founded by Mahlon E. Layne in 1882 and is headquartered in Woodlands, TX.

Universal Compression Holdings, Inc., provides natural gas compression services including sales, operations, maintenance, fabrication services, products to the natural gas industry, both domestically and internationally. The Company operates in four business segments, domestic contract compression, international contract compression, fabrication and aftermarket services.The core business, contract compression, involves providing compression equipment and service to customers. Their fabrication business involves the design, engineering and assembly of natural gas compressors for sale to third parties. Their aftermarket services business sells parts and components, and provides maintenance and operations services. And its Headquarter situated at Houston, Texas.

Universal Compression Partners LP provides natural gas contract compression services to customers nationwide. Its services include designing, installing, operating, repairing, and maintaining compression equipment. Following the company's IPO, it will operate a fleet of compressor units, comprising more than 331,000 horsepower, or some 17% of parent and global compression. It is located in Houston, TX.

Southcross Energy Partners LLC provided natural gas gathering, processing, treating, compression and transportation services, and natural gas liquids (NGL) fractionation and transportation services. It also sources, purchased, transported, and sold natural gas and NGL's to its power generation, industrial, and utility customers primarily under fixed-spread contracts. The company was founded in 2009 and is headquartered in Houston, TX.

Archrock Partners LP, engages in the provision of natural gas compression services. The firm designs, owns, installs, operates, repairs, and maintains equipment to provide natural gas compression services to customers. It also owns and operates a natural gas processing plant. The company was founded on October 10, 2006 and is headquartered in Houston, TX.