Lists like these appear all of the time, usually with little variation in the companies that make the cut. Construction Dive, using the 2018 ENR top 400 Contractors list, has taken a more comprehensive look into the top 10 firms by 2017 contracting revenue in the hopes of making these rankings more insightful. Get to know the companies behind 2017's biggest numbers with a look at some high-profile projects and interesting facts that make these firms industry leaders.
1. Bechtel Corp.
2017 Revenue: $18.27 billion
Interesting Fact: Bechtel claimed the top spot on ENR's Top 400 Contractors list for the 20th year in a row.
2. Fluor Corp.
2017 Revenue: $15.78 billion
Interesting Fact: Fluor was the main electrical contractor involved in the Puerto Rico Power Restoration Project, helping to rebuild the island's electric grid in the wake of Hurricane Maria.
3. Turner Construction
2017 Revenue: $11.77 billion
Interesting Fact: ENR has named Turner the top green building contractor for 10 consecutive years.
2017 Revenue: $10.57 billion
Interesting Fact: AECOM is the only engineering company in the world to have planned, designed and constructed a hyperloop project.
2017 Revenue: $7.99 billion
Interesting Fact: Kiewit uses a unique system of decentralized offices located in various markets around the U.S.
2017 Revenue: $7.25 billion
Interesting Fact: Skanska has more than 10,000 active projects annually.
7. PCL Construction Enterprises
2017 Revenue: $6.44 billion
Interesting Fact: PCL Construction is 100% employee-owned.
2017 Revenue: $6.15 billion
High-Profile Projects: Navy-Marine Corps Memorial Stadium, M&T Bank Stadium
Interesting Fact: The company was founded in 1909 by two classmates at MIT.
2017 Revenue: $5.95 billion
High-Profile Project: Zero-emissions NET Power project in LaPorte, Texas
Interesting Fact: CB&I merged with McDermott International in May to create a vertically integrated onshore and offshore engineering and construction company.
10. Tutor Perini
2017 Revenue: $5.85 billion
Interesting Fact: Tutor Perini was active during the Great Depression and President Dwight D. Eisenhower's Interstate Highway program.