We Have Over 40 Years of Construction, Acquisition, Logistics, and Contract Support Experience.

Diamond’s Management Group, Inc. (DMG) is a Manassas, Virginia based Construction and Project Management Company. Our Company is privately owned and operated by Mrs. Alice Bertrand (Chairman and Comptroller), and her partners, Mrs. Valetta Bertrand-Baker (President) and Mr. Glenn Bertrand, Jr. (Construction Project Manager).

Our capabilities consist of Construction, Contract, Facility, and Project Management. We provide an array of services and support to meet our customers’ needs. DMG has the staff, experience, resources, and the appropriate license credentials to perform construction services to Commercial and Residential customers throughout the Mid-Atlantic Region.

Licenses and Certifications

DMG currently holds the following license and certifications:

  •  Class A Contractor License through the Virginia Department of Professional and Occupational Regulation (DPOR)
  • Small, Women and Minority-Owned (SWAM) certified by the Virginia Department of Small Business & Supplier Diversity (SBSD)
  • National Women’s Business Enterprise (WBE) certification
  • Minority Business Enterprise (MBE) certification by the National Minority Supplier Development Council (NMSDC)  
  • Woman Owned Small Business (WOSB) certification
  • Virginia Department of Transportation (VDOT) certification
  • Local Disadvantaged Business Enterprise (LDBE) certification through the Metropolitan Washington Airports Authority
  • Common Ground Alliance (CGA) certification
  • Occupational Safety and Health Administration (OSHA) 500 Certification


DMG is proud to be members of the following organizations:

  • Prince William Chamber Of Commerce
    – Nominated for the 2020 Prince William Chamber of Commerce Business Awards in the Category of: Excellence in Business
  • National Utility Contractors Association (NUCA)