The end of the earnings season is always a good time to take a step back and see who shined (and who not so much). Let’s take a look at how engineering and design services stocks fared in Q4, starting with MasTec (NYSE: MTZ).

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.

In light of this news, share prices of the companies have held steady as they are up 2.7% on average since the latest earnings results.

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 print exceeded analysts’ expectations by 5.9%. Overall, it was an exceptional quarter for the company with EBITDA guidance for next quarter exceeding analysts’ expectations and an impressive beat of analysts’ revenue estimates.

MasTec delivered the weakest full-year guidance update of the whole group. Interestingly, the stock is up 28.2% since reporting and currently trades at $371.82.

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

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, outperforming analysts’ expectations by 18.2%. The business had an incredible quarter with a solid beat of analysts’ EBITDA estimates and an impressive beat of analysts’ adjusted operating income estimates.

Sterling achieved the biggest analyst estimates beat, fastest revenue growth, and highest full-year guidance raise among its peers. The market seems content with the results as the stock is up 2.5% since reporting. It currently trades at $466.50.

Is now the time to buy Sterling? 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 an impressive beat of analysts’ revenue estimates and a solid beat of analysts’ EBITDA estimates.

As expected, the stock is down 1.2% since the results and currently trades at $398.81.

Read our full analysis of Dycom’s results here.

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. This print topped analysts’ expectations by 2.5%. It was a stunning quarter as it also logged an impressive beat of analysts’ EBITDA estimates and a solid beat of analysts’ adjusted operating income estimates.

AECOM had the weakest performance against analyst estimates and slowest revenue growth among its peers. The stock is down 17.5% since reporting and currently trades at $84.73.

Read our full, actionable report on AECOM 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 result surpassed 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 1.7% since reporting and currently trades at $815.12.

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 9 Best Market-Beating Stocks and add them to your watchlist. These companies are poised for growth regardless of the political or macroeconomic climate.