5 Largest Construction Companies in the US

4. Martin Marietta Materials, Inc. (NYSE:MLM)

Market Capitalization as of June 12: $26.34 billion

Martin Marietta Materials, Inc. (NYSE:MLM) is a public construction company that operates through over 500 locations in 30 states, Canada, and the Caribbean.

The company supplies construction aggregates and heavy building materials. It is based in Carmel, Indiana, and was founded in 1993.