E2 Consulting Engineers, Inc.

E2 Consulting Engineers is a multidisciplinary engineering and technical consulting firm founded in 1988 and headquartered in Emeryville, California. It delivers project management, engineering and design, construction management and inspection, environmental permitting and remediation, and federal support services to investor-owned utilities, government agencies, and infrastructure operators across North America. With more than 800 professionals in 11 U.S. offices, E2 supports grid modernization, wildfire mitigation, pipeline safety, and water infrastructure programs. In June 2026 it was acquired by EIP-backed Guardian Infrastructure Services.