About us


Diamonds Management Group, Inc. (DMG, Inc.) is a Manassas, Virginia based Construction and Project Management Company. DMG, Inc. is certified as a SWAM owned company. DMG, Inc. has over 30 years of construction, acquisition, logistics, and contract support.

Our capabilities consist of but are not limited to Construction, Contract and Project Management. We provide customizable services and support to meet our client's needs and requirements. We have the staff, experience, resources, and the appropriate license credentials to perform construction services throughout the Mid-Atlantic Region.

Recent projects include:

  • Virginia State DOT Curb Ramp
  • Sidewalk and Curbing
  • Milling
  • Trucking

Clients include but are not limited to:

  • B&B Properties
  • Northern Pipeline Construction
  • Private Sector Clients


With the combined knowledge of our experienced team of Subject Matter Experts and trade professionals, we strive to offer the latest technology and intelligent business process solutions.

We assist our clients with meeting and/or exceeding their requirement objectives on time within budget.


  • Carpentry (Removing and replacing objects in the way of meter move outs, Drywall installation and repair)
  • Dump Truck Services (dirt and material hauling)
  • Saw Cutting (Asphalt and Concrete)
  • Directional Drilling (All sizes)

We have received so many compliments from our neighbors on how beautiful our paved driveway looks. Without Diamond's professionalism and thoughtful planning, an undertaking such as this would have nearly been impossible. We have met with several other reputable companies who assured us that they could assist us with this mundane process. Thank you very much to such a classy and reputable organization, your company ROCKS!


What a fabulous job you did on our curb and with the gutter installation. Your company always does such a professional job as well as the expertise of your upper level managers down to the workers. Without further compliments, all I can say is that we have no doubt that Diamond's Management Group will continue to perform work for our company.

Virginia Landscaping

Glen and I would like to thank your organization for the restoration work that you completed with our concrete stairs. We look forward to contacting you again for any other work that needs to be done.

Ivey and Glen Cannon

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Class A License: H/H and RBC Classifications/Specialties: Concrete, Asphalt, Trucking, Carpentry, Excavation   Registration #: 2705154501