The industrial vertical is an aggregate that captures companies that provide industrial and commercial supplies and services, diversified trading, distribution operations and transportation services. Industrials is the infrastructure vertical combined with aerospace and defense, building products, construction and engineering, electrical equipment, machinery, distribution and wholesale, B2B and B2C transportation, as well as printing, environmental, office, security, and consulting services. Burlington Northern Santa Fe is a freight railroad network in North America that tracks through 28 states and is wholly owned by Berkshire Hathaway.