ENR’s Top 400 Contractors Sourcebook includes market analysis and rankings of the largest U.S.-based architectural and engineering firms in major industry sectors: general building, transportation, manufacturing, industrial process,petroleum, power, environmental and telecommunications. The sourcebook also ranks contractors in specific project types, such as health care, highways and pharmaceuticals. The publication includes a directory containing the address, the name of the president or CEO and the telephone number for each of the Top 400 Contractors.
![]() |
More detailed information on the Top 400 Contractors Sourcebook: Current Top 400 Contractors Story: Current Top 400 Contractors Rankings : Click below for earlier editions: |
| General Building |
| Environment |
| Manufacturing/Industrial Process |
| Telecommunications |
| Petroleum |
| Power |
| Transportation |
ENR Top Lists or selections from the directory databases are available on pressure-sensitive labels or computer printouts. Included are the principal officer's name and title, company name and address, and phone and fax numbers. Click here for information on purchasing mailing lists.





