Engineering and Design Services Q4 Earnings: Sterling (NASDAQ:STRL) is the Best in the Biz

Let’s dig into the relative performance of Sterling (NASDAQ:STRL) and its peers as we unravel the now-completed Q4 engineering and design services earnings season.

Companies providing engineering and design services boast ever-evolving technical expertise. Compared to their counterparts who manufacture and sell physical products, these companies can also pivot faster to more trending areas due to their smaller physical asset bases. Green energy and water conservation, for example, are current themes driving incremental demand in this space. On the other hand, those providing engineering and design services are at the whim of construction and infrastructure project volumes, which tend to be cyclical and can be impacted heavily by economic factors such as interest rates.

The 5 engineering and design services stocks we track reported an exceptional Q4. As a group, revenues beat analysts’ consensus estimates by 7.7% while next quarter’s revenue guidance was in line.

Thankfully, share prices of the companies have been resilient as they are up 5.8% on average since the latest earnings results.

Best Q4: Sterling (NASDAQ:STRL)

Involved in the construction of a major highway, the Grand Parkway in Houston, TX, Sterling Infrastructure (NASDAQ:STRL) provides civil infrastructure construction.

Sterling reported revenues of $755.6 million, up 51.5% year on year. This print exceeded analysts’ expectations by 18.2%. Overall, it was an incredible quarter for the company with an impressive beat of analysts’ EBITDA estimates.

(1) See "Non-GAAP Measures", "Adjusted Net Income Reconciliation", and "EBITDA Reconciliation" sections below for more information.

Sterling pulled off the biggest analyst estimates beat, fastest revenue growth, and highest full-year guidance raise of the whole group. The stock is up 9.3% since reporting and currently trades at $497.50.

Read why we think that Sterling is one of the best engineering and design services stocks, our full report is free.

AECOM (NYSE:ACM)

Founded in 1990 when a group of engineers from five companies decided to merge, AECOM (NYSE:ACM) provides various infrastructure consulting services.

AECOM reported revenues of $3.83 billion, down 4.6% year on year, outperforming analysts’ expectations by 2.5%. The business had a stunning quarter with an impressive beat of analysts’ EBITDA estimates.

Although it had a fine quarter compared its peers, the market seems unhappy with the results as the stock is down 21.7% since reporting. It currently trades at $80.39.

Is now the time to buy AECOM? Access our full analysis of the earnings results here, it’s free.

Weakest Q4: Dycom (NYSE:DY)

Working alongside some of the most popular mobile carriers in the world, Dycom (NYSE:DY) builds and maintains telecommunications infrastructure.

Dycom reported revenues of $1.46 billion, up 34.4% year on year, exceeding analysts’ expectations by 6.9%. It may have had the worst quarter among its peers, but its results were still good as it also locked in a solid beat of analysts’ revenue estimates and an impressive beat of analysts’ EBITDA estimates.

Interestingly, the stock is up 1.8% since the results and currently trades at $410.91.

Read our full analysis of Dycom’s results here.

MasTec (NYSE:MTZ)

Involved in the 1996 Olympic Games MasTec (NYSE:MTZ) is an infrastructure construction company that specializes in the telecommunications, energy, and utility industries.

MasTec reported revenues of $3.94 billion, up 15.8% year on year. This result surpassed analysts’ expectations by 5.9%. It was an exceptional quarter as it also logged EBITDA guidance for next quarter exceeding analysts’ expectations and a solid beat of analysts’ revenue estimates.

MasTec had the weakest full-year guidance update among its peers. The stock is up 30% since reporting and currently trades at $377.

Read our full, actionable report on MasTec here, it’s free.

EMCOR (NYSE:EME)

Through its network of over 70 subsidiaries, EMCOR (NYSE:EME) provides electrical, mechanical, and building construction and services

EMCOR reported revenues of $4.51 billion, up 19.7% year on year. This number beat analysts’ expectations by 5.3%. Overall, it was an exceptional quarter as it also recorded a beat of analysts’ EPS estimates and an impressive beat of analysts’ adjusted operating income estimates.

The stock is up 9.1% since reporting and currently trades at $877.50.

Read our full, actionable report on EMCOR here, it’s free.

Market Update

Late in 2025 into early 2026, there was hand wringing around artificial intelligence. For software companies, the fear was that AI would erode pricing power and compress margins as new tools made it easier to replicate what once required expensive enterprise platforms. Crypto investors had their own version of the same anxiety: if AI agents could trade, allocate capital, and manage wallets autonomously, what exactly was the long-term value of today’s crypto infrastructure?

These concerns triggered a noticeable rotation away from these sectors and into safer havens. But markets rarely dwell on one narrative for long. Spring 2026 came, and the focus shifted abruptly from technological disruption to geopolitical risk. The US’ conflict with Iran became the dominant driver of market psychology, and when geopolitics takes center stage, the script changes quickly. Investors stop debating growth rates and start worrying about oil supply, inflation, and global stability.

Want to invest in winners with rock-solid fundamentals? Check out our Hidden Gem Stocks and add them to your watchlist. These companies are poised for growth regardless of the political or macroeconomic climate.