By finding companies that are a good cultural fit and by fully integrating them into our team, we are able to achieve a collective success that represents the contributions of all our hardworking employees and provides value to our shareholders.
As we move forward, our strategy is to continue acquiring firms that allow us to deepen our geographic positioning and expand our service capabilities. Together, we are able to strengthen and expand our client relationships and better position ourselves to win more projects and attract talented employees.
Edmonton, Alberta | December 2016 | Buildings
VOA Associates Incorporated
Chicago, Illinois | May 2016 | Buildings | More
Infrastructure Americas Division of KBR
Houston, Texas | December 2015 | Infrastructure
Fay, Spofford & Thorndike
Boston, Massachusetts | October 2015 | Infrastructure
Irvine, California | August 2015 | Infrastructure
VI Engineering LLC
Houston Texas | July 2015 | Energy & Resources
Lynnwood Washington | March 2015 | Buildings
Montreal Quebec | January 2015 | Buildings Infrastructure Transportation
Penfield & Smith
Santa Barbara California | October 2014 | Infrastructure
Boston Massachusetts | September 2014 | Buildings
Anchorage Alaska | June 2014 | Buildings Infrastructure
Marietta Georgia | June 2014 | Oil & Gas
Dallas Texas | May 2014 | Buildings
JBR Environmental Consultants Inc.
Sandy Utah | May 2014 | Environmental Services
Processes Unlimited International Inc.
Bakersfield California | March 2014 | Oil & Gas
Williamsburg Environmental Group Inc. and Cultural Resources Inc.
Williamsburg Virginia | January 2014 | Environmental Services
Cambria Gordon Ltd.
Terrace British Columbia | November 2013 | Environmental Services
Halifax Nova Scotia | November 2013 | Architecture
Roth Hill LLC
Bellevue Washington | June 2013 | Water / Wastewater Engineering
AP/ID (Ashley-Pryce Interior Design)
Vancouver British Columbia | May 2013 | Interior Design
IBE Consulting Engineers
Sherman Oaks California | May 2013 | Buildings Engineering
Greenhorne & O'Mara
Laurel Maryland | December 2012 | Transportation, Environment, Urban Land
Landmark Survey and Mapping Inc.
Washington Pennsylvania | December 2012 | Industrial
Coral Gables Florida | November 2012 | Transportation, Urban Land, Architecture, Environment
Moncton New Brunswick | November 2012 | Architecture
Cimarron Engineering Ltd.
Calgary Aberta | August 2012 | Oil & Gas, Power & Energy
ABMB Engineers Inc.
Baton Rouge Louisiana | May 2012 | Transportation
PHB Group Inc.
St. John's Newfoundland | May 2012 | Buildings
Lexington Kentucky | October 2011 | Transportation
FSC Architects and Engineers
Yellowknife Northwest Territories | October 2011 | Buildings
Bonestroo Inc./Bonestroo Services LLC
St. Paul Minnesota | September 2011 | Urban Land, Environment, Transportation
The Caltech Group
Calgary Alberta | May 2011 | Oil & Gas Power
St. John’s Newfoundland and Labrador | February 2011 | Buildings and Industrial
Butler PA | December 2010 | Architecture, Interior Design, Planning & Landscape Architecture, Sustainable Development
Duluth GA | October 2010 | Transportation
Rocklin CA | September 2010 | Environmental Infrastructure
Anshen + Allen
San Fransisco CA | September 2010 | Architecture & Interior Design
Boulder Colorado | August 2010 | Buildings
Industry and Energy Associates LLC (IEA)
Portland Maine | July 2010 | Industrial
Naples Florida | July 2010 | Buildings, Transportation, Urban Land, Environment
Natural Resources Consulting (NRC)
Cottage Grove Wisconsin | July 2010 | Environment
Winnipeg Manitoba | May 2010 | Environment
Toronto Ontario| March 2010 |Program Management
Philadelphia PA | October 2009 | Architecture, Engineering, and Project Management
Halifax Nova Scotia | January 2009 | Environmental
McIntosh Engineering (McIntosh)
Tempe Arizona and Sudbury and North Bay Ontario | July 2008 | Mining
RHL Design Group Inc. (RHL)
Petaluma California | March 2008 | Urban Land
Secor International Incorporated (Secor)
Redmond Washington | February 2008 | Environmental
Rochester Signal Inc.
Rochester New York | January 2008 | Transportation
Columbus Ohio | December 2007 | Environmental
Fuller Mossbarger Scott & May Engineers (FMSM)
Lexington Kentucky | December 2007 | Environmental and Geotechnical
Murphy Hilgers Architects
Toronto Ontario | November 2007 |Architecture, Interior Design, and Facilities Planning
Moore Paterson Architects
Victoria British Columbia | November 2007 | Architecture, Planning and Project Management
Neill and Gunter
Fredericton New Brunswick; Halifax Nova Scotia; and Portland Maine | October 2007 | Industrial
Topsham Maine | October 2007 | Environmental
Chong Partners Architecture Inc.
San Francisco California | September 2007 | Architecture, Interior Design, and Planning
Trico Engineering Consultants Inc.
Charleston South Carolina | September 2007 | Civil Engineering, Surveying, Landscape Architecture, and Planning
Geller DeVellis Inc.
Boston Massachusetts | May 2007 | Planning, Landscape Architecture and Civil Engineering Design
Land Use Consultants Inc.
Portland Maine | April 2007 | Planning, Landscape Architecture and Engineering
Vollmer Associates LLP
New York City New York | April 2007 | Transportation
Oakland California | May 2006 | Transportation
North Springfield Vermont | April 2006 | Environmental, Urban Land, Buildings, and Transportation
Carinci Burt Rogers Engineering (CBR)
Toronto Ontario | March 2006 | Buildings
Vancouver British Columbia | October 2005 | Buildings Engineering
The Keith Companies
Irvine California | September 2005 | Urban Land
CPV Group Architects & Engineers
Calgary Alberta; Vancouver British Columbia | August 2005 | Architecture & Interior Design, Buildings Engineering
Toronto Ontario | October 2004 | Architecture & Interior Design
GBR Architects Limited
Winnipeg Manitoba | April 2004 | Architecture & Interior Design
Sear-Brown Group Inc.
Rochester New York | April 2004 | Architecture, Engineering, Planning, and Bio/Pharmaceuticals
Inner Dimension Design Associations
Regina Saskatchewan | December 2003 | Architecture & Interior Design
Optimum Energy Management
Calgary Alberta | November 2003 | Power, Resources & Chemicals
Guelph Ontario | May 2003 | Environmental Management
Vancouver British Columbia | January 2003 | Architecture & Interior Design
Beak International Incorporated
Brampton Ontario; Lancaster New York | October 2002 | Environmental Management
The RPA Group
Toronto Ontario; Calgary Alberta; Vancouver British Columbia | July 2002 | Program & Project Management
English Harper Reta Architects
Sacramento California | June 2002 | Buildings
Columbia South Carolina | June 2002 | Transportation, Environment, and Urban Land
GeoViro Engineering Ltd.
Vancouver British Columbia | May 2002 | Environment
Graeme & Murray Consultants Ltd
Victoria British Columbia | April 2002 | Transportation
GKO Engineering (including PharmaChem)
Edmonton Alberta | March 2002 | Industrial
Cosburn Patterson Mather Limited
Markham Ontario | February 2002 | Urban Land
Webster & Simmonds Surveying Ltd.
Ottawa Ontario | February 2002 | Urban Land
McCartan Gaudet & Associates Partnership
Saskatoon Saskatchewan | January 2002 | Buildings
Yoneda & Associates Partnership
Regina Saskatchewan | January 2002 | Buildings
Taggart Engineering Associates
Denver Colorado | December 2001 | Environment
Associated Consulting Engineers Ltd.
St. Michael Barbados | November 2001 | Buildings
The Pentacore Family Group of Companies
Las Vegas Nevada | November 2001 | Urban Land, Transportation, Environment, and Buildings
the ellard croft design group
Regina Saskatchewan; Saskatoon Saskatchewan | July 2001 | Buildings
The Spink Corporation
Sacramento California | March 2001 | Buildings, Transportation, Environment, and Urban Land
Tipton and Kalmbach Inc.
Denver Colorado | January 2001 | Environment
Phoenix Arizona | December 2000 | Environment
Raleigh North Carolina; Winston-Salem North Carolina; Charlotte North Carolina; Charleston South Carolina; Columbia South Carolina; Richmond Virginia; Nashville Tennessee; Macon Georgia; McDonough Georgia | November 2000 | Buildings, Environment, Industrial, Transportation, and Urban Land
P.R. Fletcher & Associates Inc.
Denver Colorado | April 2000 | Urban Land
EWP Engineering Inc.
Salt Lake City Utah | February 2000 | Environment, Transportation, and Urban Land
We're better together
Become a client
Partner with us today to change how tomorrow looks. You’re exactly what’s needed to help us make it happen in your community.Contact Us
Design your career
Work with passionate people who are experts in their field. Our teams love what they do and are driven by how their work makes an impact on the communities they serve.Join the Team