AWI vs TTEK Comparison

Armstrong World Industries Inc designs and manufactures exterior architectural applications, including ceilings, specialty walls, and exterior metal solutions, using materials such as mineral fiber, fiberglass, metal, felt, architectural resin and glass, wood, wood fiber, and glass-reinforced-gypsum. Its segments include Mineral Fiber, which produces suspended mineral fiber and fiberglass ceiling systems and includes results from the Worthington Armstrong Venture (WAVE) for ceiling suspension system (grid) products; Architectural Specialties, which designs, produces, and sources specialty ceilings, walls, and other architectural applications for commercial settings, with revenues mainly project driven; and Unallocated Corporate. The company operates in the United States and Canada.

Tetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.