SNC-Lavalin is a Canadian engineering and construction company that provides engineering, procurement, and construction (EPC) services to clients in various industries, including mining and metallurgy, oil and gas, environment and water, infrastructure, and clean power. The company was founded in 1911 and has since grown to become one of the largest engineering firms in the world. SNC-Lavalin has operations in over 50 countries and employs over 50,000 people. The company has faced controversy in recent years over allegations of bribery and corruption, which has led to legal and financial troubles.