The stock market is often divided into eleven sectors, with each sector having unique dynamics affecting its profitability. Investors looking to build exposure to specific sectors can use any number of ETFs to achieve their asset allocation goals. The defense, machinery, aerospace, airlines, construction, and manufacturing companies are in this sector. There are a lot of large-cap companies in this sector. They include Boeing, 3M, Honeywell, UPS, Delta, Lockheed Martin, Deere, Caterpillar, and many more. In fact, there are 11 different sectors in the stock market. As a result, you can put those 11 sectors into 2 categories; defensive and cyclical. Defensive stocks are utilities and consumer staples. These stocks usually don't suffer in an economic downturn.