Black Hydrovac LLC

The Anderson Company is a full-service site work, excavation and demolition company. It provides site preparation, excavation, clearing, dismantling, removal, recycling, disposal, earthwork, concrete flat work and utilities asphalt paving services. The company also offers soil stabilization and solidification, reclamation of debris and aggregates, landfill operations and construction services. The Anderson Company additionally provides transportation and paving services for chemical and hydrocarbon-laden soils. It maintains a team of planners, engineers, supervisors, project managers, logistics coordinators and estimators. The company specializes in retail, residential, public water and airport projects. It serves various clients, including Naval Sea Systems Command, Arlington Hospital Pavilion, New Intermediate School, Dulles Auto Park, Northern Virginia Community College and the National Museum of the Marine Corps. The Anderson Company is located in Manassas, Va.

D2 LLC is a Woman Owned site work construction company based in Rockville, MD, offering superior quality and customer service in the Washington DC Metropolitan region and beyond. With a highly qualified and experienced team, they specialize in site work services for government, commercial, and residential projects, delivering innovative approaches to ensure the highest quality results while managing costs and reducing project time. Known as one of the leading site work companies in the area, D2 LLC has completed numerous projects across various industries, building strong relationships with customers, subcontractors, and suppliers. They support a strong supplier diversity program and encourage participation from Small, Minority, Women-Owned, HUB Zone, Disadvantaged, Veteran-Owned, and Service Disabled Veteran-Owned Businesses.Generated from the website

Established in 1991, Connelly and Associates Inc. is one of the largest geotechnical drilling firms in the Washington, D.C. and Baltimore, Md., region. The firm provides various drilling services, including barge/offshore drilling, interior drilling, direct push and rock coring. It also offers sampling/testing services, such as permeability testing, soil gas sampling, water level readings, vane shear testing, to name a few. Additionally, the company installs soil gas wells, monitoring wells, sparge points and vibrating wire piezometers. Connelly and Associates Inc. is a certified contractor by the National Ground Water Association and a participating member of the National Drilling Association.