TTEK vs OC Comparison

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. Tetra Tech 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.

Owens-Corning Inc is a manufacturer of glass fiber utilized in composites and building materials. It has an integrated business model with four reportable segments: Composites, Insulation, Doors, and Roofing. It generates maximum revenue from the Roofing segment. Its Roofing segment laminate and strip asphalt roofing shingles, roofing components, synthetic packaging materials, and oxidized asphalt. It meets the growing demand for longer-lasting, aesthetically attractive laminate products with modest capital investment. Geographically the company generates the majority of its revenue from the United States.