About Us

Safety. Quality. Service. Value.

ERRG provides turnkey services including:

Two workers in safety gear recover a large, old bomb from the ground in a barren, desert-like excavation site.

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, Texas, and Guam. ERRG provides the full spectrum of remediation services to our public and private sector clients.

ERRG – Your Engineering and Remediation Resource

Two climbers wearing safety helmets and harnesses ascending a rocky cliff with a forest in the background.
Group of hikers walking across rocky volcanic landscape with black lava rocks, some greenery, and a partly cloudy sky.
Workers with safety gear, including helmets and vests, are guiding a large corrugated metal pipe into place while a small excavator assists with positioning on a dirt road surrounded by trees.