LMT vs TTEK

Lockheed Martin Corporation

Lockheed Martin Corporation, a security and aerospace company, engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services worldwide. It operates through four segments: Aeronautics, Missiles and Fire Control, Rotary and Mission Systems, and Space. The Aeronautics segment offers combat and air mobility aircraft, unmanned air vehicles, and related technologies. The Missiles and Fire Control segment provides air and missile defense systems; tactical missiles and air-to-ground precision strike weapon systems; logistics; fire control systems; mission operations support, readiness, engineering support, and integration services; manned and unmanned ground vehicles; and energy management solutions. The Rotary and Mission Systems segment offers military and commercial helicopters; ship and submarine mission and combat systems; mission systems and sensors for rotary and fixed-wing aircraft; sea and land-based missile defense systems; radar systems; the Littoral combat ship; simulation and training services; and unmanned systems and technologies. It also supports government customers in cybersecurity; and delivers communications, and command and control capabilities through mission solutions for defense applications. The Space segment offers satellites; space transportation systems; strategic, advanced strike, and defensive missile systems; and classified systems and services in support of national security systems. This segment also provides network-enabled situational awareness and integrates space and ground-based systems to help its customers gather, analyze, and securely distribute critical intelligence data. Lockheed Martin Corporation was founded in 1912 and is headquartered in Bethesda, Maryland.

Tetra Tech Inc.

Tetra Tech, Inc. provides consulting and engineering services worldwide. The company operates through Government Services Group (GSG) and Commercial/International Services Group (CIG) segments. The GSG segment offers early data collection and monitoring, data analysis and information technology, science and engineering applied research, engineering design, construction management, and operations and maintenance services; and climate change and energy management consulting, as well as greenhouse gas inventory assessment, certification, reduction, and management services. This segment serves federal, state, and local governments, and development agencies in water resources analysis and water management, environmental monitoring, data analytics, government consulting, waste management, and a range of civil infrastructure master planning and engineering design markets. The CIG segment provides early data collection and monitoring, data analysis and information management, feasibility studies and assessments, science and engineering applied research, engineering design, construction management, and operations and maintenance services. This segment serves natural resources, energy, and utilities markets, as well as civil infrastructure master planning and engineering design markets. Tetra Tech, Inc. was founded in 1966 and is headquartered in Pasadena, California.