#83: McDermott
Original Headquarters: Houston, TX
Purchased by: Merged to form McDermott International
Country: Panama
Originated in Houston, Texas, McDermott International rapidly grew from a family-owned venture into a global powerhouse in the oil and gas sector, amassing assets close to $10 billion and generating annual revenues upwards of $6.7 billion.

McDermott expanded beyond its Houston roots to become a global entity, headquartered in Panama but operationally based in Houston’s Energy Corridor. It engages in engineering, construction, and procurement worldwide, including in the Middle East and the Pacific Rim.
