Golder Associates 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

Founded in 1981, Triad Engineering is a full-service engineering and consulting firm and provides services to clients in both, private and public sectors. It has more than 60 trained employees that include mechanical, structural, electrical, instrumentation and controls, civil, environmental, chemical and transportation engineers. It also has a team of geologists, hydrogeologists, chemists, construction managers, technicians and support staff. It offers engineering design services, on-site technical services, environmental management, investigation, remediation and site closure services. It also provides services in soil and groundwater remediation, industrial waste and wastewater treatment, municipal wastewater treatment and civil infrastructure improvements. The company is based in Milwaukee and also has office in Indianapolis.

From the website:ATC provides integrated environmental consulting and engineering services from more than 100 locations nationwide.