Quantum Research International provides technical consulting and support, as well as strategic planning assistance, to Defense Department and other federal agencies, as well as some commercial clients. It has particular expertise in the areas of force modernization, C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance & Reconnaissance), simulation, logistics, missile defense, and survivability analysis. The company has offices in Alabama, Maryland, Texas, and Virginia, each located near a military base or other defense facility.

Racal Antennas develops and manufactures base station antennas. It designs and supplies antennas as single panels in GSM900, PCN1800, PCS1900 and UMTS bands and in most integrated multi-band configurations including tri-band and tri-sector. The company also supplies micro cell antennas and components such as amplifiers, filters, and towers, and offers tactical antennas for the defense market and designs and manufactures telescopic support masts. Racal Antennas serves such clients as Vodafone, Orange, T-Mobile, and O2. Racal Antennas is part of the Chelton Group, which it acquired from France's Thales in 2003.

Raytheon ("light of the gods") took a shine to its place in the upper pantheon of US military contractors; the company regularly places among the Pentagon's top 10 prime contractors. The company's defense offerings include reconnaissance, targeting, and navigation systems, as well as missile systems (Patriot, Sidewinder, and Tomahawk), and radars. Raytheon also makes radios, air traffic control systems and radars, and satellite communications systems. Raytheon also offers commercial electronics products and services, but the US government accounts for more than 85% of sales.

Radar, missiles, missile defense systems, and torpedoes are all in day's work for Raytheon Integrated Defense Systems (IDS). A division of defense giant Raytheon, IDS designs, integrates, and maintains complex airborne, land, and naval technologies designed for both offensive and defensive operations. Major offerings include ballistic missile early warning radar systems, air-defense missile systems (Patriot), navigation and surveillance radars, ship- and helicopter-based anti-submarine sonars, naval defense systems, and naval torpedoes. It serves the US Armed Forces, the Department of Homeland Security, and the US Missile Defense Agency, to name a few.

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, we deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Our reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making. Solipsys' staff has received industry-wide recognition in the diverse areas of sensor automation, information synthesis, networking and communications, and visualization. Our expertise is reflected in the success of our products. In use by the Department of Homeland Security, all four United States military services, International DoD, as well as many of our industry partners, our Tactical Display Framework (TDF) Java-certified visualization tool and Multi Source Correlator Tracker (MSCT) software applications have raised the bar of performance for information synthesis and display.

Raytheon Space and Airborne Systems (SAS) is a leader in designing and developing advanced, integrated systems for crucial missions. For decades, we’ve supported military and civil customers with focused, forward-looking technology, and today we are playing an increasing role in mission systems integration.

Raytheon Systems Limited Company Profile Raytheon Systems Limited (RSL), the main UK subsidiary of electronics and weapons specialist Raytheon Company, can help fix and guide planes ... or shoot them down. The company's aerospace electronics offerings include air traffic control systems, command and control systems, navigation systems, and Identification Friend or Foe (IFF) systems. RSL also makes power and control products such as motor drives, power supplies, circuit boards, and semiconductors. Being Raytheon, they are known for air-launched, ship-launched, and ground-launched missiles such as the Patriot, Sidewinder, and Tomahawk. RSL provides aircraft repair, maintenance, and modification, logistics support, and project management services, too.

The company manufactures more non-military helicopters in a year than the collective ship production of all other North American manufacturers. Its aircraft are used in applications from police work to television news reporting, instrument flight training, radio traffic reporting, and emergency services. Robinson Helicopter offers two main product lines: the two-seat R22 and the four-seat R44. The company also provides overhaul and maintenance services and safety courses for technicians and pilots. The privately held company is owned by founder, chairman, and president Frank Robinson.

Scaled Composites, LLC, is an aerospace and specialty composites development company located in Mojave, California (about 80 miles north of Los Angeles). Founded in 1982 by Burt Rutan, Scaled has broad experience in air vehicle design, tooling, and manufacturing, specialty composite structure design, analysis and fabrication, and developmental flight test.

Russian-born helicopter pioneer Igor Sikorsky is long dead, but helicopters bearing his name still fly the skies. A subsidiary of United Technologies, Sikorsky Aircraft makes such military helicopters as the Black Hawk (troop assault, combat support, special operations, and medevac operations) and the Seahawk (submarine hunting, missile targeting, anti-surface ship warfare, and search and rescue). Sikorsky is developing the next-generation CH-53K helicopter (to replace the CH-53E) for the US Marines. Civil products include the S-76 and S-92, which are used for rescue, offshore oil, medical, and corporate use. Sikorsky also offers fixed-wing aircraft, spare parts, and MRO services for helicopters.

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