Tetra Tech is Leading with Science® providing specialized engineering, geotechnical, environmental, and plant design services to mining and metals processing industries. For nearly 60 years, we’ve delivered these services to the mining industry worldwide. Ranked among top mining engineering firms by Engineering News-Record, we offer integrated capabilities from concept through design, construction, operations, monitoring, and closure. Our experts span 80+ disciplines including geological and process engineering, mine planning and resource estimation, metallurgical design, geotechnical, water management, and environmental services, all committed to safety, quality, sustainability, and social responsibility.