Jeffrey D. McPherson

Weatherford International, Inc., provides equipment and services used in the drilling, evaluation, completion, production, and intervention of oil and natural gas wells worldwide. Its products and services include artificial lift systems, such as progressing cavity pumps, reciprocating rod lift systems, gas lift systems, hydraulic lift systems, plunger lift systems, hybrid lift systems, wellhead systems, production optimization products, well optimization controllers, flow measurement metering and software solutions, field optimization tools, and heavy oil production optimization equipment. The company is base in Houston, TX

BJ Services Co. LLC engages in the provision of pressure pumping, cementing, stimulation, and coiled tubing services. The company was founded on May 30, 1990 and is headquartered in Houston, TX.

Carmeuse North America, Inc. produces lime and limestone products. It provides technology for Flue Gas Desulfurization, road construction, steel, water treatment, environmental treatment, paper industry and chemical industries. Its products include Quicklime, Chemical Grade Limestone, Crushed Limestone Aggregate and Milled Limestone. The company is headquartered in Pittsburgh, PA.

U.S. Well Services LLC provides oil field services. It engages in pressure pumping and related services, including high-pressure hydraulic fracturing in unconventional oil and natural gas basins. The firm operates in the Marcellus and Utica shale regions that cover West Virginia, Pennsylvania and Ohio. The company was founded by Edward S. Self III and Jeffrey McPherson on February 21, 2012 and is headquartered in Houston, TX.