Heavy and Civil Engineering Construction

NAICS 237 - Heavy and Civil Engineering Construction encompasses a broad range of infrastructure development and maintenance activities focused on constructing, repairing, and improving major public works and heavy infrastructure projects. This category includes specialized construction services for highways, bridges, tunnels, power lines, water and sewer systems, industrial facilities, and large-scale environmental restoration projects. These construction services typically involve complex engineering techniques, specialized heavy equipment, and the ability to manage large-scale, technically sophisticated infrastructure development initiatives.

The federal contract awards under this NAICS category demonstrate significant infrastructure investment across multiple federal agencies, particularly the U.S. Army Corps of Engineers, Department of Transportation, and Department of the Interior. Typical contract values range from $1 million to $50 million, with performance periods spanning 180 to 730 calendar days. Many awards are set aside for small businesses, with specific designations including total small business, service-disabled veteran-owned small business (SDVOSB), and women-owned small business. Frequent places of performance include coastal regions, national forests, military bases, and critical environmental restoration sites across the United States, with notable concentrations in Florida, California, Washington, and Arizona.

Recent federal contract opportunities under this NAICS code highlight diverse infrastructure projects including coastal restoration (Comprehensive Everglades Restoration Plan), stream and riverbank stabilization, road and bridge reconstruction, power line installation, and facility infrastructure improvements. Federal agencies like the Army Corps of Engineers, General Services Administration, Bureau of Land Management, and U.S. Forest Service are soliciting complex construction services that require specialized technical capabilities. Specific projects include shore protection, water preservation area development, electrical upgrades, sewer line rehabilitation, and road maintenance across locations such as Florida, California, Montana, Washington, and New Mexico. Many opportunities emphasize environmental considerations, low embodied carbon materials, and sustainable infrastructure development.