TTEK vs IVZ 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. 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.

Invesco provides investment-management services to retail (70% of managed assets) and institutional (30%) clients. At the end of September 2025, the firm had $2.125 trillion in assets under management spread among its equity (60% of AUM), balanced (3%), fixed-income (21%), alternative investment (6%), and money market (10%) operations. Passive products account for 47% of Invesco's total AUM. Invesco's US retail business is one of the 10 largest nonproprietary fund complexes in the country. The firm also has a meaningful presence outside of North America, with 31% of its AUM sourced from Europe, Africa, and the Middle East (16%) and Asia (15%).