HIL vs TDG

Hill International Inc.

Hill International, Inc. provides project and construction management, and other consulting services primarily for the buildings, transportation, environmental, energy, and industrial markets. The company offers program management, project management, construction management, project management oversight, troubled project turnaround, staff augmentation, project labor agreement consulting, commissioning, estimating and cost management, and labor compliance and facilities management services. It primarily serves the United States federal, state and local governments, other national governments, and the private sector customers. The company operates in the United States, Latin America, Europe, the Middle East, Africa, and the Asia Pacific. Hill International, Inc. was founded in 1976 and is headquartered in Philadelphia, Pennsylvania.

Transdigm Group Incorporated

TransDigm Group Incorporated designs, produces, and supplies aircraft components in the United States and internationally. Its Power & Control segment offers mechanical/electro-mechanical actuators and controls, ignition systems and engine technology, specialized pumps and valves, power conditioning devices, specialized AC/DC electric motors and generators, batteries and chargers, databus and power controls, sensor products, switches and relay panels, hoists, winches and lifting devices, and cargo loading and handling systems. This segment serves engine and power system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots. The company's Airframe segment provides engineered latching and locking devices, engineered rods, engineered connectors and elastomer sealing solutions, cockpit security components and systems, cockpit displays, aircraft audio systems, lavatory components, seat belts and safety restraints, engineered and customized interior surfaces and related components, thermal protection and insulation products, lighting and control technology, and parachutes. This segment serves airframe manufacturers, cabin system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots. Its Non-aviation segment offers headsets for high-noise, medium-noise, and dismounted applications; seat belts and safety restraints for ground transportation applications; hydraulic/electromechanical actuators and fuel valves for land based gas turbines; refueling systems for heavy equipment used in mining, construction, and other industries; and turbine controls for the energy and oil and gas markets. This segment serves off-road vehicle and subsystem suppliers, child restraint system suppliers, and satellite and space system suppliers; and manufacturers of heavy equipment. TransDigm Group Incorporated was founded in 1993 and is based in Cleveland, Ohio.