Harper Houf Peterson Righellis
Surveying and georeferencing · Portland, Oregon, United States
About Harper Houf Peterson Righellis
Harper Houf Peterson Righellis, known as HHPR, is a civil engineering and surveying firm based in Portland, Oregon, founded in 1990.
The firm specialises in civil engineering, land surveying, landscape architecture and structural engineering for public infrastructure and private developments in the Pacific Northwest.
Its services include topographic surveys, roadway and utility design, site planning and project management.
The firm specialises in civil engineering, land surveying, landscape architecture and structural engineering for public infrastructure and private developments in the Pacific Northwest.
Its services include topographic surveys, roadway and utility design, site planning and project management.