Tidewater, Inc. is a publicly traded international petroleum service company headquartered in Houston, Texas, U.S. It operates a fleet of ships, primarily providing vessels and marine services to the offshore petroleum and offshore wind industries.

The company was founded in 1956 by a group of investors led by the Laborde family.^{[1][non-primary source needed]}

Tidewater created the "work boat" industry with its 1956 launch of the Ebb Tide, the world's first vessel tailor-made to support the offshore oil and gas industry. Today, Tidewater is the leading and most experienced provider of OSVs in the global energy industry.

Tidewater has a global footprint, with over 90% of its fleet working internationally in more than 60 countries. Around the world, Tidewater transports crews and supplies, tow and anchor mobile rigs, assists in offshore construction projects and performs a variety of specialized marine support services.^[2]

Quintin V. Kneen is the company's president, CEO & Director.^[3][4]