Our diverse staff of professional engineers, geologists, environmental scientists, and seasoned field construction personnel work in multidisciplinary teams to manage, design, and oversee practical solutions to environmental projects.

Driven by leaders with a cohesive vision and strong entrepreneurial spirit, the company has evolved into a diverse environmental, engineering, and construction services firm. Since 1997, ERRG has rapidly grown to a team of nearly 300 employees with a broad base of skills and offices throughout California, Washington, Colorado, Hawaii, and Texas. ERRG provides the full spectrum of remediation services to our public and private sector clients.