Our Clients

  • AECOM 

  • Ammann & Whitney

  • ARUP                                                

  • Ayers Saint Gross

  • Bradley / Parker & Associates

  • Bushman Dreyfus Architects

  • CCE

  • Clark-Nexsen

  • Fentress Architects

  • Gensler

  • Giuliani Associates Architects, Inc.

  • Goody Clancy 

  • Gresham, Smith and Partners

  • Grimm + Parker Architects

  • Hartman-Cox Architects

  • Hatch Mott MacDonald

  • HC Yu and Associates

  • HGA

  • HDR

  • Hensel Phelps Construction Co.

  • Interior Architects

  • Jair Lynch

  • Johnson, Mirmiran & Thompson (JMT)

  • Kohn Pedersen Fox

  • Leo Daly

  • Lewis and Zimmerman

  • LS3P Associates

  • McCarron Construction Management

  • Mcdonough, Bolyard, Peck

  • Mckissack & McKissack

  • Parsons Brinckerhoff

  • The Peterson Companies

  • Rhodeside & Harwell

  • Ricondo

  • Skidmore, Owings & Merrill

  • Shalom Baranes Associates Architects

  • Thornton Tomasetti

  • TOLK

  • Wiencek + Associates

  • WMATA

  • VHB

  • Whitman-Requardt

  • ZGF

What Our Clients Say

"KSI's Individual and firm wide responsiveness to our project needs has been consistently outstanding, with deliverables provided promptly and completely, often within accelerated timeframes."

Melissa A. Hendrix, AIA-Shalom Baranes Associates

"KSI has demonstrated a consistent ability to respond quickly to design team and client requests for cost information despite the dynamic nature of the project requirements". 

Lisa J. Howe, LEED AP, Principal-Goody Clancy 

"KSI continually provides a high level of service, with accurate and thorough deliverables, while reacting to evolving demands making them one of our most reliable consultants".

Paul Auguste, Associate- Skidmore, Owings & Merrill