Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. Sheet metal work performed by plumbing, heating, and air-conditioning contractors in conjunction with the installation of plumbing, heating, and air-conditioning equipment is included.
General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of single-family houses.
Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. Sheet metal work performed by plumbing, heating, and air-conditioning contractors in conjunction with the installation of plumbing, heating, and air-conditioning equipment is included.
Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. Sheet metal work performed by plumbing, heating, and air-conditioning contractors in conjunction with the installation of plumbing, heating, and air-conditioning equipment is included.
Special trade contractors primarily engaged in electrical work at the site.
Special trade contractors primarily engaged in electrical work at the site.
General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of single-family houses.
Special trade contractors primarily engaged in excavation work and digging foundations, including digging and loading. Contractors in this industry may also perform incidental concrete work.
General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of single-family houses.