The addition of Washington, D.C.-based firm specializing in advising on climate-aligned investment enhances WSP’s commitment to providing clients with sustainable and resilient solutions.
The move further strengthens Salas O’Brien’s engineering expertise, creating a combined firm of more than 50 offices, 1,400 team members, and 360 registered professionals.
In 2013, Sowinski Sullivan expanded its operations to Harrisburg, where the team has since provided architectural and engineering services for mass transit system clients and public agencies including the Pennsylvania Department of Transportation, Pennsylvania Turnpike Commission, and South Central Transit Authority.
Optimal Energy Inc. is an energy efficiency firm providing a full range of consulting services to government agencies, utilities, regulatory bodies, and state energy advisory councils.
