Transportation is considered as the most important aspect of everyday life. Transportation in used is almost every thing. Transportation is of two different types. One is used for the transportation of people and is called passenger transportation and the other one is used for the transportation of goods and materials and is called as the freight transportation. There are three types of transportation at the disposal for everyone. They are road transportation, water transportation and air transportation of which transportation by air is the quickest and the most preferred. But road transportation is the most convenient as it provides door to door services.

There are a total of six subcategories for the transportation companies in United States. They are:

Ø Airline Transportation Companies of United States;

Ø Shipping Transportation Companies of United States;

Ø Ferry Transportation Companies of United States;

Ø Railway Transportation Companies of United States;

Ø Bus Transportation Companies of United States;

Ø Trucking Transportation Companies of United States.

Airline Transportation Companies of United States: The airline companies of United States provide high level and one of the most secure aerial transportation to freight cargo and passengers. To provide these services, the airlines either take the aircrafts on lease or own them either solely or in partnership or alliances. The services of these airlines vary from just a small aircraft carrying cargo or mail to full fledged aircrafts which operate internationally and provide the best services available with numerous aircrafts at their disposal. These services may be classified as intercontinental or intercontinental or domestic which depends on their regions of operations.

Shipping and Ferry Transportation Companies of United States: Water transportation is also considered as very convenient as above all it is used for the transportation of passengers and cargo which is mostly non-perishable goods. This type of transportation was actually the prime source of intercontinental and intercontinental transportation in the earlier time. But its importance was diminished when companies started using Aircrafts for transportation. Today though, it is considered as most important form of transportation for business purposes as thousands of tones of non-perishable goods can be transported through it and thousands of gallons of oil and other liquid goods can be transported within a few weeks. Also, now – a – days people use this type of transportation mostly for ferries or pleasure trips.

Bus and Trucking Transportation Companies: Road Transportation is considered as the most time consuming of all the types of transportation. But one thing which no form of transportation can take away from the road transportation is its virtue of door to door services. In United States, most or nearly all the truckers own their trucks also known as the rig, and are also known as owner-operators. Some of the cargo transportation is done on a regular basis and may be for one consignee or more than one. On some of the long distance cargo transportations the truckers may only know the cargo is loaded and may have to wait till the next cargo is assigned to them.