Gary J. Brauchle

McDermott International, Inc. engages in the provision of technology, engineering, construction, and installation solutions to the energy industry. It operates through the following segments: North, Central, and South America (NCSA); Europe, Africa, Russia and Caspian (EARC); the Middle East and North Africa (MENA); Asia Pacific (APAC); and Technology. The NCSA segment designs, engineers, and constructs upstream offshore oil and gas facilities, downstream oil and gas facilities and pipelines, gas-fired power plants, LNG import and export terminals, atmospheric and refrigerated storage vessels and terminals, water storage and treatment facilities and pipe and module fabrication. The EARC segment focuses in the upstream offshore oil and gas facilities, downstream oil and gas facilities, LNG import and export terminals, and atmospheric and refrigerated storage vessels and terminals. The MENA segment comprises upstream offshore oil and gas facilities and pipelines, downstream oil and gas facilities, hydrocarbon processing facilities, atmospheric and refrigerated storage vessels and terminals, and performs pipe fabrication and manufacturing. The APAC segment involves in the upstream offshore oil and gas facilities and pipelines, refining and petrochemical facilities, hydrocarbon processing facilities, LNG import and export terminals and atmospheric and refrigerated storage vessels and terminals. The Technology segment consists technology licensor of proprietary gas processing, refining, petrochemical and coal gasification technologies as well as a supplier of proprietary catalysts, equipment and related engineering services. The company was founded in 1923 and is headquartered in Houston, TX.

Tallgrass Equity LLC distributes petroleum products through pipelines. The company is headquartered in Leawood, KS.

Tallgrass Energy LP owns, operates, acquires, and develops midstream energy assets in North America. It operates through following segments: Natural Gas Transportation, Crude Oil Transportation and Gathering, Processing & Terminalling. The Natural Gas Transportation segment owns and operates interstate natural gas pipelines and integrated natural gas storage facilities. The Crude Oil Transportation segment owns and operates crude oil pipeline system. The Gathering, Processing & Terminalling segment engages in the ownership and operation of natural gas gathering and processing facilities that produce NGLs. The company was founded in 2012 and is headquartered in Leawood, KS.

Tallgrass Energy Partners LP owns, operates, acquires and develops midstream energy assets in North America. The company was founded in 2012 and is headquartered in Leawood, KS.

Tallgrass Operations LLC operates as a holding company with interest in operating, developing and acquiring midstream energy assets. The company was founded on March 22, 2013 and is headquartered in Overland Park, KS.

Part of Tallgrass Energy LP, Tallgrass MLP GP LLC provides investment services. The private company is based in Overland Park, KS. David G. Dehaemers has been the CEO of the company since 2013.

Tallgrass Development LP provides natural gas transportation and storage services. The firm also operates natural gas processing plants in Wyoming; and a carbon dioxide and sulfur treating facility in West Frenchie Draw, Wyoming. The company is headquartered in Leawood, KS.