AstroTurf is an American subsidiary of SportGroup that produces artificial turf for playing surfaces in sports. The original AstroTurf product was a short-pile synthetic turf invented in 1965 by Monsanto. Since the early 2000s, AstroTurf has marketed taller pile systems that use infill materials to better replicate natural turf. In 2016, AstroTurf became a subsidiary of German-based SportGroup, a family of sports surfacing companies, which itself is owned by the investment firm Equistone Partners Europe.
Logitech International S.A. is a Swiss multinational manufacturer of computer peripherals and software. Headquartered in Lausanne, Switzerland and San Jose, California, the company has offices throughout Europe, Asia, Oceania, and the Americas, and is one of the world's leading manufacturers of input and interface devices for personal computers (PCs) and other digital products. It is a component of the flagship Swiss Market Index, and listed on the Nasdaq.
Freescale Semiconductor, Inc. was an American semiconductor manufacturer. It was created by the divestiture of the Semiconductor Products Sector of Motorola in 2004. Freescale focused their integrated circuit products on the automotive, embedded and communications markets. It was bought by a private investor group in 2006, and subsequently merged with NXP Semiconductors in 2015.
Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company introduced the first high fidelity stereophones.
Shure Incorporated is an audio products corporation headquartered in the USA. It was founded by Sidney N. Shure in Chicago, Illinois, in 1925 as a supplier of radio parts kits. The company became a consumer and professional audio-electronics manufacturer of microphones, wireless microphone systems, phonograph cartridges, discussion systems, mixers, and digital signal processing. The company also manufactures listening products, including headphones, high-end earphones, and personal monitor systems.
The Source (Bell) Electronics Inc., doing business as The Source, is a Canadian consumer electronics and cell phone retail chain. The chain goes back over 50 years in Canada, initially as Radio Shack and later as The Source by Circuit City. The Source is now owned by BCE Inc., which purchased the assets of InterTAN from its parent, American retailer Circuit City, in 2009. The chain is based in Barrie, Ontario.
SigmaTel, Inc., was an American system-on-a-chip (SoC), electronics and software company headquartered in Austin, Texas, that designed AV media player/recorder SoCs, reference circuit boards, SoC software development kits built around a custom cooperative kernel and all SoC device drivers including USB mass storage and AV decoder DSP, media player/recorder apps, and controller chips for multifunction peripherals. SigmaTel became Austin's largest IPO as of 2003 when it became publicly traded on NASDAQ. The company was driven by a talented mix of electrical and computer engineers plus other professionals with semiconductor industry experience in Silicon Hills, the number two IC design region in the United States, after Silicon Valley.
Monster Inc. is an American company that manufactures and markets about 6,000 products, but is best known for audio and video cables. It also produces speakers, headphones, power strips, mobile accessories and audio devices for automobiles. The company was founded by an audiophile and engineer, Noel Lee, in 1979 by experimenting with different ways to build audio cables. It grew by doing demonstrations to convince the industry that audio cables made a difference in audio quality and by establishing relationships with retailers that were attracted to the cable's profit margins.
Audio-Technica Corporation is a Japanese company that designs and manufactures professional microphones, headphones, turntables, phonographic magnetic cartridges, and other audio equipment.
Kingston Technology Corporation is an American multinational computer technology corporation that develops, manufactures, sells and supports flash memory products, other computer-related memory products, as well as the HyperX gaming division. Headquartered in Fountain Valley, California, United States, Kingston Technology employs more than 3,000 employees worldwide as of Q1 2016. The company has manufacturing and logistics facilities in the United States, United Kingdom, Ireland, Taiwan, and China.
Sierra Wireless is a Canadian multinational wireless communications equipment designer, manufacturer and services provider headquartered in Richmond, British Columbia, Canada. It also maintains offices and operations in the United States, Korea, Japan, Taiwan, India, France, Australia and New Zealand.
Belkin International, Inc., is an American consumer electronics company headquartered in El Segundo, California. It produces mobile and computer connectivity devices and peripherals for consumer and commercial use. These include wireless chargers, power banks, charging cables, data cables, audio and video adapters, headphones, earbuds, screen protectors and cases, surge protectors, docking stations and data hubs, secure KVM switches and network cables.
Richard P. "Rick" Alden is an American entrepreneur and the founder and former CEO of Skullcandy, Inc., Device Step-In Snowboard Bindings, Stance Socks, and co-founder of Plus550 LLC.
Beats Electronics LLC is an American consumer audio products manufacturer headquartered in Culver City, California. The company was founded in 2006 by music producer Dr. Dre and record company executive Jimmy Iovine. Since 2014, it has been an Apple subsidiary.
RUCKUS Networks is a brand of wired and wireless networking equipment and software owned by CommScope. Ruckus offers switches, Wi-Fi access points, CBRS access points, controllers, management systems, cloud management, AAA/BYOD software, AI and ML analytics software, location software and IoT controller software products to mobile carriers, broadband service providers, and corporate enterprises. As a company, Ruckus invented and has patented wireless voice, video, and data technology, such as adaptive antenna arrays that extend signal range, increase data rates, and avoid interference, providing distribution of delay-sensitive content over standard 802.11 Wi-Fi.
SMS Audio is an American consumer electronics company that primarily manufactures and markets headphones. The company was founded by 50 Cent in 2011 and acquired Kono Audio that same year.
The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885, which acquired the Bell Telephone Company and became the primary telephone company in the United States. This company maintained an effective monopoly on local telephone service in the United States until anti-trust regulators agreed to allow AT&T to retain Western Electric and enter general trades computer manufacture and sales in return for its offer to split the Bell System by divesting itself of ownership of the Bell Operating Companies in 1982.
Sol Republic, Inc. was an American privately held audio manufacturer based in Michigan. Founded in 2011 by Scott Hix, Seth Combs, and Kevin Lee, it was sold to HoMedics in late 2015 or early 2016.
Blackhawk Network Holdings Inc. is an American privately held company that operates in the prepaid, gift card and payments industries. It sells branded physical and digital gifts, phones, prepaid debit, and incentives cards online and through a network of global retailers. Blackhawk's network reaches people through a number of different channels including in-store, online, mobile, and incentive. Blackhawk headquarters are in Pleasanton, California and the company was incorporated in 2006.
ASTRO Gaming is an American consumer electronics manufacturer specializing in video gaming headsets, peripherals, and accessories.
$266.3 million (2015) [1] 
