ENR publishes nine Top Lists 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:

The Top 500 Design Firms
The list covers U.S.-based engineering, architectural and environmental design firms.
Survey mailed out in Late December
List published in the issue of April 23, 2012

Top 400 Contractors
The list covers U.S.-based general contractors.
Survey mailed out in Late December
List published in the issue of May 14, 2012

Top 200 Environmental Firms
The list covers U.S.-based firms providing environmental services or working in environmental markets.
Survey mailed out in Early April
List published in the issue of August 12, 2012

Top Green Design Firms
The list covers U.S.-based engineers, architects, and other design firms providing Green and Sustainable design services.
Survey mailed out in Late December.
List published in the issue of July 2, 2012

Top Green Contractors
The list covers U.S.-based general contractors providing Green and Sustainable design services.
Survey mailed out in Late December.
List published in the issue of September 17, 2012

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 mailed out in Late December.
List published in the issue of June 4, 2012

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 mailed out in Late December.
List published in the issue of June 4, 2012

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 mailed out in Late December.
List published in the issue of June 11, 2012

Top 40 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 mailed out in Late December.
List published in the issue of June 11, 2012

Top 200 International Design Firms
The list covers engineering, architectural and environmental design firms from around the world.
Survey mailed out in Mid-February.
List published in the issue of July 23, 2012

TOP 225 International Contractors
The list covers contractors from around the world.
Survey mailed out in Mid-February.
List published in the issue of August 27, 2012

Top 600 Specialty Contractors
The list covers U.S.-based specialty trade contractors and subcontractors.
Survey mailed out in Late June
List published in the issue of October 15, 2012

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.
List published in the issue of November 5, 2012

ENR Sourcebooks
The Top 500 Design Firms Sourcebook - July 2, 2012
The Top 400 Contractors Sourcebook - September 17, 2012
The Global Construction Sourcebook - December 10, 2012

Invitation to Participate

Firms are welcome to participate in the appropriate survey and qualify for ENR Top List ranking. There is no charge or obligation to participate.

If you wish to participate in any of these surveys, please email Gary Tulacz, senior editor, at tulaczg@mcgraw-hill.com. Please specify which survey you wish to receive. All we need is your company’s name, address, the name and title of the person within your firm to whom the survey should be addressed, and a phone and fax number. An email address of the survey recipient and the company’s home page also would be welcome.

You also can fax a request containing the necessary information to participate in the survey to us at 212-904-2265 or 212-904-2565.