deep excavations

Alliance Diversified Enterprises, Inc. (ADEI) is a full service licensed contractor specializing in the design and installation of deep and specialty foundations, earth retention, and heavy civil operations, with over 30 years of projects in California, Nevada, Arizona and more. Projects range from small residential to large commercial and public works.

auger cast (CFA) pilescaissonsdeep soil mixinggradingmicropilessecant pile wallssheet pilingsoldier beam and laggingtiebacks and rakersvibratory soldier beam installationvibro-compactionwet and dry utility installation

Aqua Line Utility, Inc. was established in 2003, specializing in utility and site work construction. Based in Weymouth, MA, the company has earned a reputation for safe practices, professionalism, and quality, specializing in difficult and complex utility, pump stations, and site work projects. It provides small company hands-on attention to detail with large company capabilities.

bypass pumpingcoffer dam installationconcrete repairculvert installationdirectional drillingengineeringproject managementpump station installationroadway pavingsewer main installationWater main installation

B&K Construction Company, LLC is a family owned and operated heavy civil contractor based in Mandeville, Louisiana, founded in 1978 by the late H. Boone Kenyon. The company specializes in flood protection projects primarily for the U.S. Army Corps of Engineers and self-performs an average of 90% of its work. It has approximately 100 employees and owns a large fleet of specialized equipment.

canal bottom liningjacking and boring large diameter pipelevee constructionpile drivingstructural concretetemporary retaining structures installationutility construction

Dawson-Mauldin Construction is a General Engineering Contractor (Lic. A1042654) founded in 2004 by siblings Sandra Dawson (Mauldin) and Mike Mauldin. Based in Selma, CA, it has completed heavy civil construction projects including public utilities, grading, paving, structural concrete, tunneling, shoring, bridge construction, Cal-trans, ag water, water treatment and sewer treatment. Sandra retired in 2018 and Mike continues to operate Dawson-Mauldin LLC.

bridge constructionearthworkemergency workgradinglarge diameter pipingpavingsewer treatmentshoringstructural concretetunnelingutility constructionwater treatment

Harbor Pacific Contractors was formed in 1987 as a mechanical and civil construction company providing professional construction solutions to public and private clients throughout the Pacific Northwest. Its core business is construction of wastewater treatment plants, transportation projects, pump stations, water treatment facilities, power generation, and fish facilities, including renovation and expansion of existing plants. Services are available in Washington, Oregon, and Alaska.

design/buildearthworkfacilities start-up and testinggeneral contractingjoint-venture contractingprocess equipment installationprocess piping installationsite dewateringsite utilitiesstructural concrete

Highmark Construction, LLC provides municipal water and sewer line excavation and construction services throughout southeast Louisiana. It is a fully licensed, bonded, and insured Federal contractor offering new line construction, rehabilitation construction, and repairs on eroding systems. Founded April 1, 2019 by Michael Decoteau and Joe LeBlanc, it is a veteran owned company with over 100 full-time employees and self-performs multiple trades with its own crews.

earthworkexcavationpumping station constructionself-performing multiple tradessewer lift station constructionsite work preparationtrucking and haulingunderground utility installation

JDS Inc., formally known as John D. Stephens Inc., has provided construction services since 1962 for large, high production projects. It is a full service heavy civil pipeline and environmental infrastructure construction company specializing in water distribution, sanitary and storm water sewer systems, deep excavations, and large mass rock excavation projects. It offers construction services and project management for traditional hard bid contracts as well as design-build delivery methods.

design-build deliverymass rock excavationpipeline constructionproject managementsanitary sewer systemsstorm water sewer systemsvalue engineeringwater distribution