Engineered Systems Inc

Tetra Tech is a global company dedicated to improving the quality of life through innovative solutions in science and technology. By addressing complex challenges in communities worldwide, the company emphasizes sustainability and resilience in its approach to environmental management and infrastructure development. With a diverse portfolio that includes water management, energy transition, and disaster recovery, Tetra Tech harnesses advanced data analytics and artificial intelligence to create transformative solutions. Their expert team combines local knowledge with industry-leading technical expertise to deliver impactful results across various sectors. Generated from the website

Applied Technologies, Inc. (ATI) is a multi-discipline engineering/architectural firm that serves fields of water and wastewater management and the generation of biogas as a source of renewable energy. Founded in 1986, the company s technical area of expertise includes anaerobic digestion, biogas handling, design/build, industrial waste management, municipal wastewater management, structural engineering, transportation engineering and water management. It serves a wide market segments, including agricultural, beverage, dairy, food processing, fruit/vegetable, meat/poultry/fish, municipalities, pulp and paper, themed exhibits and waste-to-energy.

Established in 1970, Earth Tech is one of the leading providers of environmental and waste management consulting services throughout the United States. It has a staff of more than 7,000 trained professionals, including architects, engineers, researchers, builders and scientists. Operational for over 30 years, the company offers design and development, construction management, project planning and risk management services. The company provides services to residential, commercial and industrial customers. Earth Tech offers watershed and ground water protection, drought analysis, and evaluation and monitoring services. Its capabilities include conceptual and feasibility studies, process control and instrumentation, and modeling and residual management. Earth Tech maintains a presence in Sheboygan, Wis.