E. C. Richards

The Northwestern Mutual Life Insurance Co. provides insurance and financial security solutions. The firm offers life insurance, long-term care insurance, disability insurance, annuities, and investment products. It also provides financial planning strategies and solutions. The company was founded by John C. Johnston on March 2, 1857 and is headquartered in Milwaukee, WI.

Wiltel Communications Group, Inc. provides customized communications solutions to enterprises, and federal government. The company was founded by Robert D. Williams and is headquartered in Tulsa, OK.

Luminus Devices, Inc. develops and manufactures solid state lighting solutions. Its products include COB arrays, mid power LEDs, XNOVA cube, high brightness white LEDs, color LEDs, color mix LEDs, UV LEDs, IR LEDs and horticulture LEDs. The company was founded by Alexei Erchak and John D. Joannopoulos in 2002 and is headquartered in Sunnyvale, CA.

Helmerich & Payne International Drilling Co. drills oil and gas wells. It operates as a contract drilling company, owns land rigs, platform rigs located in the Gulf of Mexico and other International rigs. The company was founded in 1967 and is headquartered in Tulsa, OK.

Yulex Corp. manufactures and distributes specialty natural rubber materials to consumers and brands. Its products include Guayule, Russian Dandelion, and Yulex Pure. The company was founded by Daniel Swiger and Jeffrey A. Martin in 2000 and is headquartered in Phoenix, AZ.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Enterprise Investors Sp zoo (Enterprise Investors) is a private equity firm founded in 1990 by John Birkelund and Robert Faris. The firm is headquartered in Warsaw, Poland.

Argonaut Private Equity LLC (Argonaut Private Equity) is a private equity firm founded in 2002 by Jason Martin and George B. Kaiser. The firm is headquartered in Tulsa, Oklahoma.

Rooney Holdings, Inc. operates as a holding company. It offers services to the construction, oil and gas, manufacturing, aviation, transportation, retail and environmental industries. The company was founded in 1984 and is headquartered in Naples, FL.

Established in 2000, TransPharma Medical Ltd. is a specialty pharmaceutical company focused on the development and commercialization of drug-products utilizing an innovative active transversal drug delivery technology. Its current proprietary drug-product development programs include ViaDerm-hPTH (1-34), a transversal hPTH (1-34) product to treat osteoporosis, undergoing Phase 2B clinical trials, which is developed in collaboration with Eli Lilly, and two additional peptides currently in Phase 1. TransPharma's drug-product development activities utilize its well-proven RF-MicroChannel Technology. Its RF-MicroChannel technology enables the creation of an array of microscopic pores through the very outer skin surface, allowing the delivery of therapeutic doses of a wide portfolio of drugs, including biologics, Its main area of focus. TransPharma's implementation of the RF-MicroChannel Technology is the ViaDerm delivery system. Intended for home use, the ViaDerm delivery system consists of a reusable, handheld, low-cost device and a disposable patch containing a drug. TransPharma's goal is to develop multiple drug-products through strategic partnerships with leading pharmaceutical companies and through independent product development. They believe that combining partnered and proprietary product development ensures capitalizing of both the promise of its technology and its growing capabilities.

Omni Air International LLC provides air transportation services. It offers passenger charter operations, scheduled and charter airlines and aircraft management. The company was founded by Robert K. Coretz in 1993 and is headquartered in Tulsa, OK.

Grand River Dam Authority generates and distributes electricity. It fulfills its responsibilities by operating three hydroelectric facilities and managing two lakes, along the Grand River system. It sells electricity to three customer classes that include municipals, electric cooperatives and industries. The company was founded in 1935 and is headquartered in Vinita, OK.

Voice Signal Technologies, Inc. develops software for mobile handsets. It provides speech solutions for consumer products and mobile devices. The company's solutions offer speech capabilities, including speaker-independent name dialing and contact lookup, vocabulary dictation, email and SMS messaging. VoiceSignal Technologies was founded by Daniel Roth and Thomas Lazay in 1995 and is headquartered in Woburn, MA.

Midas Communication Technologies Pvt Ltd. operates as a telecommunications equipment company which designs affordable and appropriate telecom access solutions for both urban and rural areas in emerging markets. The company was founded by Rene Abraham, Sanjay Gupta, Jawahar P. Murugesh, Deepak Khanchandani, Shirish Purohit Balachandra and Prakash B. Khawas in April 1994 and is headquartered in Chennai, India.

University Hospitals Trust provides educational and research healthcare support to school institutions. The private company is based in Oklahoma City, OK. The CEO of the company is Dean Gandy.

Raisbeck Engineering, Inc. develops, markets and manufactures worldwide-certified performance improvement systems. The firm offers systems for the Beechcraft King Air, Bombardier Learjet and DeHaviland Twin Otter and also builds products for commercial aircraft. The company was founded by James D. Raisbeck and Sherry Raisbeck in 1982 and is headquartered in Seattle, WA.

M & M Environmental Group LLC provides environmental services to oil and gas industry. It provides a range of services from spill containment and rig services to completions and disposal. The firm's services include rig services, trucking, disposal, completions, contract labor and sandblasting and painting services. It offers services to the steel, coal, construction and waste management industries. The company was founded by Sam McFadin in 2010 and is headquartered in Conway, AR.

CareATC, Inc. operates onsite and near-site medical clinics. The firm provides customized healthcare solutions to employers that have reduced healthcare costs by promoting health, preventing disease and providing a shorter path to care for employees. The firm serves corporations, municipalities and school districts. The company was founded by Ron Woods in 2000 and is headquartered in Tulsa, OK.

10 Tanker Air Carrier LLC provides aerial firefighting services. The private company is based in Albuquerque, NM. The company was founded in 2006 by Robert K. Coretz. The CEO is John Gould.

Miratech Group LLC operates emission solutions for stationary natural gas and diesel reciprocating engines. It offers NSCR catalysts, SCR catalysts, diesel particulate filters, custom solutions, emission housings and silencers, engine, low pressure drop, spark arresting, and disk silencers, custom piping, expansion joints and ladders. The company was founded in 1992 and is headquartered in Tulsa, OK.