One of the global partners of ESCA International Inc. is Psomas, considered as one of the top-ranked consulting engineering firms in the USA. This group was founded way back in 1946, providing surveying, engineering, construction management and environmental services throughout the Western United States. This firm is continually ranked by the Engineering News-Record (US Magazine) as one of the top engineering firms in the USA. Psomas serves public and private sector clients in the transportation, water, site development, and energy markets.