Jacobs Engineering fuels its rise up the ladder with oil, gas, and chemicals. The group provides technical, professional, and construction services for industrial, government, and commercial clients, primarily in the US, the UK, and Canada. Jacobs handles project design and engineering, construction, operations, maintenance, and scientific consultation. Typical projects include oil refineries, manufacturing plants, and roads and highways. The company's largest single customer is the US government (about 21% of revenues), for which it chiefly performs aerospace and defense work. Founded in 1947, Jacobs Engineering has more than 200 offices in more than 30 countries.