Consulting-Specifying Engineer, an Arrowfly brand, has announced the 2026 MEP Giants. The 100 engineering firms recognized by this award are showcased in the September 2026 edition, highlighted online at www.csemag.com/giants and honored at an in-person awards event on October 8 in Chicago.
The MEP Giants program, sponsored by Eaton, lists the top mechanical, electrical, plumbing (MEP) and fire protection engineering firms in North America. The detailed analysis of these firms reveals industry insights and how it has changed over the past several years.
The 2026 MEP Giants have earned this title by proving that they find opportunity in the many variations in the building engineering industry. The 100 firms selected as the 2026 MEP Giants continuously push the boundaries in the MEP and fire protection engineering sectors, providing the top engineered systems in the building business. Data collected from these firms over the past several years has helped Consulting-Specifying Engineer analyze and identify trends in the building engineering community.
The top 2026 MEP Giants engineering firms by MEP design revenue are:
| Rank | Firm | MEP design revenue |
|---|---|---|
| 1 | Jacobs | $2,271,000,000 |
| 2 | Burns & McDonnell | $1,939,040,026 |
| 3 | WSP | $1,334,382,900 |
| 4 | Mott MacDonald | $826,589,106 |
| 5 | Salas O’Brien | $543,018,191 |
| 6 | HDR | $513,849,429 |
| 7 | Tetra Tech High Performance Buildings Group | $507,685,000 |
| 8 | Stantec | $504,804,834 |
| 9 | EXP | $443,000,000 |
| 10 | Jensen Hughes | $349,600,674 |
About Consulting-Specifying Engineer
Consulting-Specifying Engineer (www.csemag.com) is a print and online publication serving the nonresidential building industry. It covers mechanical, electrical, plumbing and fire/life safety engineering for commercial, industrial, government, healthcare and high-tech buildings. Consulting-Specifying Engineer is published by Arrowfly.