Steve Margaroni

Psomas LLC plans, designs, and manages the construction of engineering projects. Its services include water and wastewater, transportation, land development, planning, surveying and mapping, construction management, natural resources, geographic information systems, and sustainable design. The company was founded by George R. Psomas in 1946 and is headquartered in Los Angeles, CA.

BonTerra Consulting provides and conducts a variety of environmental planning consulting services. It also conducts natural resources and biological surveys, habitat restoration planning, regulatory services and permitting, cultural resources management, air quality, greenhouse gas emissions, and noise analyses, and Geographic Information Systems (GIS) analyses, and mapping to public- and private-sector clients. The company was founded in 1996 and is headquartered in Los Angeles, CA.