The development of activities such as construction or development of a service has been a fundamental part of the development of civilization as we know it today, this whole process is done by persons or entities commonly known as contractors, which lead to out their activities properly should be benefiting from certain duties such as insurance, which is the main theme of this article. But before starting to play this important issue is proper to ask: What is a contractor? A contractor is a person, entity or company hired by an organization usually governmental, in order to perform the particular development of constructions such as buildings, oil refineries, laboratories and roads among others. In developing these projects is necessary to consider the use of resources not only humans, but also others such as machinery, leading thus to economic resources that are borne by the contractor, therefore the contractor is exposed to certain obligations. Compliance time for contractors is clearly under pressure from the imposition of certain elements such as insurance, which are responsible for ensuring the contractor's investment with the firm intention that the resources allocated by the contractor look good for investments or the development of the project. Some of this insurance are: Failure Insurance: This insurance is mandatory for the contractors responsible for the contractor to cover losses in case of default by the contractor, the contractor is required because the poor use of time leads to increased financial resources that a contractor must perform to complete a construction.

It is noteworthy that in turn that the contractor is responsible with the contractor also must do so with staff and resources at its disposal for the development of the work, so the contractor is forced to purchase insurance policies as Insurance against industrial accidents: the compulsory insurance cares for the construction workers in the event of an accident within the work can leave the worker maimed or injured, this insurance must necessarily run by the contractor. Tort Liability Insurance: This is responsible for the contractor to cover damages to third parties during the construction time. stability and quality insurance of the work: this requires the contractor to respond by building quality after completion. This insurance usually has an effect usually several years after completing the work. Secure all construction risk: in certain situations this insurance is not mandatory but this commits the contractor to account for the losses caused by theft, fraud or damage caused by third parties to work, although there are certain exceptions such as damage events natural earthquakes. Security guarantee: This is based on ensuring the worker the periodic payment of wages and benefits mandatory by the contractor. As demonstrated above that insurance is an important tool to ensure various aspects of vital importance in construction and in turn help improve the quality of buildings that are conducted today.