5300 Wellington Branch Drive
Suite 100
Gainesville, VA 20155
P  703.679.5600
F  703.679.5601

All Locations
  • Brian Chromey, PE

    Vice President of Operations

  • Frank Graziano, PE

    Chief Technical Officer / Vice President

  • Amy Connelly, PWS, PWD, LEED AP

    Director - Northern Virginia


Our headquarters in Gainesville, Virginia is located within the Washington, DC Metro area. WSSI has been a part of the ever-changing and growing DMV landscape since 1991; helping clients with their environmental and cultural resource needs.

Our LEED Gold Building

Our office is more than a building. It’s our learning lab where we showcase innovative design ideas and sustainability practices that support our work. It was Virginia’s first Gold–certified LEED building and has since earned the Audubon at Home Wildlife Sanctuary certification as well as the Wildlife Habitat Council Conservation Certification® for our native habitat on the grounds. Read more!