Delta's professional staff is divided into four distinct departments dedicated to the market sectors and clients we serve: Facilities - educational, institutional, municipal, corporate, commercial and industrial facilities, with associated site development. Transportation - bridges, highways, city streets, rural roadways, railroads, culverts, dams, parking structures, parking lots, and bridge/pavement management. Precast Concrete - structural design, erection drawings, shop drawings, product design, management consulting, specialized design software, and quality control plans for precast concrete manufacturers. Land Survey - residential, commercial, municipal mapping and surveys for transportation and building related projects.

Our multi-discipline services include civil, environmental, structural, mechanical, electrical, bridge, highway, and traffic engineering as well as architectural design and land survey services, all focused on our clients' needs and requirements. The majority of our services are provided to repeat clients through term agreements and typically include: planning, code reviews, feasibility studies, new and restoration design, drawing preparation, construction specifications, cost estimating, bidding documents, and construction administration/inspection.