HWA's professional staff is complemented with a team of highly qualified and experienced construction inspectors who perform quality control inspection and materials testing services during construction of roadways, pipelines, sewer and waterlines, lift stations, dams, sanitary landfills, buildings, and commercial, industrial, and residential land development projects.

HWA's knowledgeable construction inspectors have a thorough understanding of construction inspection techniques and are capable of implementing materials testing programs to verify that structural fill, Hot Mix Asphalt (HMA), reinforced concrete, and geosynthetics are placed in accordance with the project specifications. HWA's full service soil and construction materials testing laboratory is accredited by the American Association of State Highway and Transportation Officials (AASHTO) R18 for technical competence in the field of construction materials testing.