Made with Xara Web Designer LICENSES Entoconn Licenses Entoconn of Hawaii is licensed to perform the following tasks:     *  C-3      asphalt paving and surfacing     *  C-9      cesspool     *  C-10     scaffolding     *  C-17     excavating, grading and trenching     *  C-24     building moving and wrecking     *  C-31A     cement concrete     *  C-32     ornamental guardrail and fencing     *  C-35     pile driving, pile and caisson drilling and foundation     *  C-37A     sewer and drain line     *  C-37B     irrigation and lawn sprinkler systems     *  C-38     post tensioning     *  C-43     sewer, sewage disposal, drain, and pipe laying     *  C-49     swimming pool     *  C-56     welding     *  C-57A     pumps installation     *  C-57B     injection well     *  C-61     solar energy systems