Additive manufacturing is becoming the main part of industries due to the fact that it has many advantages. Therefore, there are many industries that have already adopted additive manufacturing technologies, besides that, other companies are also considering integrating additive manufacturing technologies into their industries. It is believed that additive manufacturing is bringing our traditional industries to a new phase, and it is playing a major role in Industry 4.0. Additionally, additive manufacturing technologies are being improved to create more value and achieve higher adaptability for industries for some reasons, such as avoiding supply chain issues. The purpose of this thesis is to analyze additive manufacturing technologies and their role in different industries.