Even in the face of tough economic times, the trucking industry continues to boom in the United States of America. In fact, the trucking industry employs approximately 3.5 million truck drivers, and there is almost no shortage of work to go around. If you're looking to find work in a new industry, this is a good place to start. After obtaining the appropriate licenses needed to operate a commercial truck, you'll need to keep your eye out for a used semi truck that will allow you to transport cargo all over America.