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|SEATTLE HOUSING AUTHORITY - YESLER TERRACE EARLY INFRASTRUCTURE|
Gary Merlino Construction
|CITY OF HOQUIAM – WATER TRANSMISSION PIPELINE REPLACEMENT PROJECT, SEGMENT #1|
|TRI-CITIES AIRPORT - TAXIWAY D REHABILITATION & REALIGNMENT|
IMCO General Construction
|7TH AVE PUMP STATION UPGRADES|
Pease & Sons Inc.
|YESLER TERRACE EARLY INFRASTRUCTURE - SEATTLE HOUSING AUTHORITY|
MidMountain Contractors, Inc.
November 21, 2012
Jason L. Mattox re-joined HDJ Design Group in the Tri-Cities as an associate principal, primarily managing design for residential and commercial projects. Mattox has 9-plus years of civil engineering experience with residential, commercial and public works projects. He has also managed roadway, drainage and stormwater projects, sewer and water and irrigation systems, and has experience in permitting for government agencies.