DDS Engineers, LLP; land planning, site development, land surveying, utility design
DDS Constructors, LLC; land development, site work, underground utility services for residential, commercial, industrial and municiple projects
DDS Natural Gas Pipeline/Station Design and Construction, engineering expertise integrated with over 100 years of construction experience and survey services under one roof.
DDS Utilities, Inc.; underground gas, electric, and telecommunications construction
DDS Environmental; environmental construction services related to brownfield development, emergency spill response, remediation, tank cleaning/removals, 24 hour emergency spill response