ENR Survey Schedule 2025

survey schedule

Each year, ENR publishes 13 Top Lists and four digital editions of Ranking Review + (containing our Sourcebook lists), where we rank different types of construction industry firms based on construction related revenue. These rankings are derived from responses to surveys we send out throughout the year. Here is the preliminary schedule for our surveys and Top Lists:

 

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Top 100/400/500 Survey | Sourcebook Market Survey | Green Buildings Survey | Top International Survey | Global Sourcebook Survey | Top 200 Environmental Firms Survey | Top 600 Specialty Contractors Survey | Top 425 Owners Sourcebook | Construction Industry Confidence Index Surveys | ENR Regional Surveys


Top 100/400/500 Survey

The Top 100/400/500 Survey is used to rank the Top 500 Design Firms, Top 400 General Contractors, Top 100 Design-Build Firms, Top 100 Construction Management-at-Risk, Top 50 Construction Management-For-Fee Firms and Top 50 Program Management-For-Fee Firms (and the for-fee combined list), as well as Architectural Record’s Top 300 Architects list.

  • Survey launch: January 20, 2025
  • Due date: March 10, 2025


The Top 500 Design Firms


The list covers U.S.-based engineering, architectural and environmental design firms and all U.S.-based subsidiaries of non-U.S.-based engineering, architectural and environmental design firms.

  • List published in the issue of April 28, 2025
  • List published online by April 24, 2025


Top 400 General Contractors


The list covers U.S.-based general contractors and all U.S.-based subsidiaries of non-U.S.-based contractors.

  • List published in the issue of May 26, 2025
  • List published online by May 22, 2025


Top 100 Design-Build Firms

The list covers U.S.-based firms that provide both design and construction services, either on their own or in partnership or joint venture with other firms, under a single integrated contract.

  • List published in the issue of June 9, 2025
  • List published online by June 5, 2025


Top 100 Construction Management Firms (At-Risk)

The list covers U.S.-based firms providing construction management services where the firm provides CM services while taking full legal and financial responsibility for delivering the project.

  • List published in the issue of June 9, 2025
  • List published online by June 5, 2025


Top 50 Construction Management Firms (For-Fee)

The list covers U.S.-based firms providing construction management services either on an agency or fee-only basis.

  • List published in the issue of July 23, 2025
  • List published online by June 19, 2025


Top 50 Program Management Firms (For-Fee)

The list covers U.S.-based firms providing program management services on an agency or fee-only basis of construction programs of more than one project for the same owner or group of owners.

  • List published in the issue of July 23, 2025
  • List published online by June 19, 2025


Sourcebook Market Survey

The Sourcebook Market Survey ranks U.S.-based and all U.S.-based subsidiaries of non-U.S.-based design firms and general contractors in a variety of submarkets.

  • Survey launch: January 20, 2025
  • Due date: March 10, 2025


The Top Design Firms Sourcebook

  • List published in the issue of July 14, 2025
  • List published online by July 10, 2025


The Top General Contractors Sourcebook

  • List published in the issue of September 15, 2025
  • List published online by September 11, 2025


Green Buildings Survey

The Green Buildings Survey ranks U.S.-based design firms and general contractors as well as all U.S.-based subsidiaries of non-U.S.-based design firms and general contractors on revenue earned from projects officially registered with a third-party “green” rating group.

  • Survey launch: January 10, 2025
  • Due date: March 10, 2025


Top 100 Green Design Firms


The list covers U.S.-based engineers, architects, and other design firms providing Green and Sustainable design services.

  • List published in the issue of October 13, 2025
  • List published online by October 9, 2025


Top 100 Green Contractors


The list covers U.S.-based general contractors providing Green and Sustainable contracting services.

  • List published in the issue of October 13, 2025
  • List published online by October 9, 2025


Top International Survey

The Top International Survey is open to design firms, general contractors and construction/program management-for-fee firms based outside of the U.S.

  • Survey launch: March 24, 2025
  • Due date: July 23, 2025


Top 225 International Design Firms


The list covers engineering, architectural and environmental design firms from around the world.

  • List published in the issue of August 11, 2025
  • List published online by August 7, 2025


Top 250 International Contractors


The list covers contractors from around the world.

  • List published in the issue of August 25, 2025
  • List published online by August 21, 2025


Global Sourcebook Survey

The Global Sourcebook Market Survey ranks design firms and general contractors from around the world in a variety of submarkets.

  • Survey launch: March 24, 2025
  • Due date: June 23, 2025
  • Lists published online in the December 25, 2025 digital edition


Top 200 Environmental Firms Survey

The list ranks globally-based firms based on revenue from environmental services performed on worldwide infrastructure and other projects. For more information on this list criteria and eligibility, please email ENRT200env@enr.com.

  • Survey launch: May 15, 2025
  • Survey will close in mid-to-late July
  • List published in the issue of October 13, 2025
  • List published online by October 9, 2025


Top 600 Specialty Contractors Survey


The list covers U.S. -based specialty trade contractors and subcontractors.

  • Survey launch: June 2, 2025
  • Due date: August 11, 2025
  • List published in the issue of October 27, 2025
  • List published online by October 23, 2025


Top 425 Owners Sourcebook


This list is compiled not by survey but by a review on corporate public data compiled for and published by the U.S. Securities and Exchange Commission.
[There is no survey for this list]
List published online in the February 17, 2025 digital edition


Construction Industry Confidence Index Surveys

Each quarter, ENR publishes the results of its Construction Industry Confidence Index survey, which anonymously gauges industry opinion about the current and future outlook of the construction industry. If your firm would like to participate in this survey, please email kellerj@enr.com to be added to our mailing list.

Q1 Construction Confidence Index Survey

  • Survey launch: January 13, 2025
  • Due date: February 17, 2025
  • List published in the issue of March 3, 2024

Q2 Construction Confidence Index Survey

  • Survey launch: May 5, 2025
  • Due date: June 9, 2025
  • List published in the issue of June 23, 2025

Q3 Construction Confidence Index Survey

  • Survey launch: August 4, 2025
  • Due date: September 15, 2025
  • List published in the issue of September 29, 2025

Q4 Construction Confidence Index Survey

  • Survey launch: October 27, 2025
  • Due date: December 8, 2025
  • List published in the issue of December 29, 2025


ENR Regional Surveys

ENR ranks contractors, design firms and specialty contractors not only nationally, but also regionally. The regional surveys are separate from the national surveys and launched at slightly different times. If you would be interested in completing a regional Top Contractor, Top Design Firm or Top Specialty Contractor survey, please email Jack McMackin (mcmackinj@enr.com).

For further information about these surveys, please visit our regional page here.

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