ENR publishes 13 Top Lists and four Sourcebooks during the year where we rank different types of firms in the construction industry based on construction revenue. These rankings are based on surveys we send out three times a year. Here is the preliminary schedule for our surveys and Top Lists:

Note: For a schedule of ENR’s Regional surveys, click here.

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.

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of May 1/8, 2023

Top 400 Contractors

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

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of May 29/June 5, 2023

Top 200 Environmental Firms

This list ranks the top global firms based on reported environmental services revenue for the previous year from work in worldwide locations.

• Survey notices will be emailed in early April .
• The due date will be mid-to-late-June
• List published in the issue of July 24/31, 2023
• To be included on the email list for this separate ENR survey, PLEASE EMAIL enrt200env@enr.com or Debra Rubin at rubind@enr.com and provide company name, and survey email contact name, title, email and cell phone. Minimum ranking revenue floor will be about $20 million

Top Green Design Firms

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

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of September 18/25, 2023

Top Green Contractors

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

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of September 18/25, 2023

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.

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of June 12/19, 2023

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.

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of June 12/19, 2023

Top 100 Construction Management Firms (For-Fee)

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

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of June 26/ July 3, 2023

Top 50 Program Management Firms

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.

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of June 26/ July 3, 2023

Top 225 International Design Firms

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

• Survey launch: March 27, 2023
• Survey notices emailed out in early April
• Due date: June 26, 2023
• List published in the issue of August 7/14, 2023

Top 250 International Contractors

The list covers contractors from around the world.

• Survey launch: March 27, 2023
• Survey notices emailed out in early April
• Due date: June 26, 2023
• List published in the issue of August 21/28, 2023

Top 600 Specialty Contractors

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

• Survey launch: June 26, 2023
• Survey notices emailed out in late July
• Due date: August 14, 2023
• List published in the issue of October 16/23, 2023

Top 425 Owners

In addition, ENR publishes the Top 425 Owners List. 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 in the issue of November 13/20, 2023

ENR Sourcebooks

The Top 500 Design Firms Sourcebook - July 10/17, 2023

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of July 10/17, 2023

The Top 400 Contractors Sourcebook - September 18/25, 2023

• Survey launch: January 23, 2023
• Survey notices emailed out in late January
• Due date: March 13, 2023
• List published in the issue of September 18/25, 2023

The Top Owners Sourcebook - November 13/20, 2023

• [There is no survey for this Sourcebook]

The Global Construction Sourcebook - December 11/18, 2023

• Survey launch: March 27, 2023
• Due date: June 26, 2023
• List published in the issue of December 11/18, 2023

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 – April 4/11, 2023

• Survey launch: February 6, 2023
• Survey notices emailed out in early February
• Due date: March 13, 2023
• List published in the issue of April 4/11, 2023

Q2 Construction Confidence Index Survey – July 10/17, 2023

• Survey launch: May 15, 2023
• Survey notices emailed out in mid-May
• Due date: June 26, 2023
• List published in the issue of July 10/17, 2023

Q3 Construction Confidence Index Survey – October 2/9, 2023

• Survey launch: August 7, 2023
• Survey notices emailed out in mid-August
• Due date: September 18, 2023
• List published in the issue of October 2/9, 2023

Q4 Construction Confidence Index Survey – December 25, 2023

• Survey launch: October 30, 2023
• Survey notices emailed out in late October
• Due date: December 11, 2023
• List published in the issue of December 25, 2023

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 ).

Regional Top Design Firms
• Survey launch: February 6, 2023
• Survey notices emailed out in early-to-mid February
• Due date: Deadline Extensions:
• Southeast: April 3
• Southwest: April 3
• Midwest: April 17
• New England: April 17
• New York: April 17
• Mountain States: April 24
• Texas & Louisiana: April 24
• California: April 24
• Northwest: April 24
• MidAtlantic: May 8
• Regional Top Design home page: https://enr-topdesign.secure-platform.com/a

Regional Top Contractors
• Survey launch: February 20, 2023
• Survey notices emailed out in late February
• Due date: April 10, 2023
• Regional Top Contractors home page: https://enr-topcontractor.secure-platform.com/a

Regional Top Specialty Contractors
• Survey launch: June 5, 2023
• Survey notices emailed out in early June
• Due date: July 17, 2023
• Regional Top Contractors home page: https://enr-topspecialty.secure-platform.com/a