NAICS
234120: Bridge and Tunnel Construction
This U.S. industry comprises: (1) establishments primarily responsible
for the entire construction (i.e., new work, reconstruction, or repairs) of
bridges, viaducts, elevated highways, and tunnels; (2) establishments
identified as bridge and tunnel construction management firms; and (3)
establishments identified as special trade contractors primarily
engaged in performing subcontract work related to bridge and tunnel
construction. Establishments in this industry may subcontract some or
all of the actual construction work. Kinds of establishments include
bridge and tunnel general contractors, design builders,
engineer-constructors, and joint-venture contractors.
The data published with NAICS code 234120 include the following SIC
industries:
1622 Bridge, tunnel, and elevated highway construction contractors
8741 Management services (pt)
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