Stefan Karnavas

Horizon Cellular Telephone Co. LP owns and operates cellular telephone systems. The private company is based in Malvern, PA and has subsidiaries in the United States. The company was founded by Alexander L. Gellman.

Cobblestone Golf Group, Inc. owns and operates 45 golf courses. The company is based in Del Mar, CA. Husband. The company was founded by Gary L. Dee, James A. Cobblestone Golf Group was acquired by ClubCorp, Inc. from La Quinta Corp. (Texas) on March 31, 1999 for $391 million.

Leap Wireless International, Inc. provides wireless communications services. It offers voice, text, and data services. The firm also provides its solutions through company owned retail stores and dealers. The company was founded on March 17, 1999 and is headquartered in San Diego, CA.

Cricket Communications, Inc. provided mobile wireless services. It use to offer popular games, ring tones, wallpapers and international long distance and roaming services. The company was founded in 1999 and was headquartered in San Diego, CA.

Semtek Innovative Technologies Corporation has been a leader in card data capture and magnetics technology since 1999, serving public and private sector customers who require highly secure OEM components for their fixed-base and wireless devices. Specializing in small form-factor data capture devices in magnetic stripe, smart-card, RFID, and biometrics, Semtek has begun to play a key role in providing technologies to the card payments space that resolve that sector's security vulnerabilities. Semtek's Data Capture business is a market leader in enabling wireless and handheld devices to accept card data (e.g. credit/debit cards and secure identification cards). It provides card reader components and interfaces that enable a wide variety of handheld devices and cell phones to effectively function as highly secure credit/debit card and data collection terminals. Semtek also provides hardware into non-wireless devices including POS systems and stand-alone terminals. Semtek's Security Solutions business is focused on data encryption, card authentication, security auditing, and other innovative methods of improving the security performance of magnetic-stripe based systems. Semtek's Cipher ModuleTM and Hercules ModuleTM, along with their complementary network-side appliances, provide a comprehensive array of definitive security benefits that enable merchants, processors, and issuers to accept and process payment cards with unprecedented security. Semtek typically provides its products to larger hardware vendors under an OEM model. Its customers include most of the world's leading providers of point of sale terminals, ruggedized wireless devices, points of sale system integrators, and governments around the globe.

Evans Analytical Group LLC provides micro analytical surface analysis and materials characterization services. The company was founded on May 27, 2005 and is headquartered in Santa Clara, CA.

Eurofins EAG Agroscience LLC provides surface analysis and materials characterization services. It offers environment testing, custom synthesis, radio labeling, crop sciences, drug development, materials testing and engineering services. The company was founded in 2007 and is headquartered in Sunnyvale, CA.

Pro Performance Sports LLC provides sports training products. It offers skill and performance training products and programs for the athletes to use at home and in training environment. The firm's products include baseball, basketball, football, gold, lacrosse, soccer, softball, and tennis. The company was founded by John Sarkisian in 2002 and is headquartered in Carlsbad, CA.