DTP has a long history in natural gas. It was the first verification unit for natural gas installations in the country and has worked with public and private operators in the supervision of gas pipelines.

Likewise, DTP was the first Verification Unit approved by the Energy Regulatory Commission to carry out the verification of the standards applicable to the construction and operation and maintenance of all types of natural gas facilities in Mexico, working on practically all of the infrastructure of natural gas of the country.

DTP became one of the first Verification Units in construction materials and operation and maintenance of Service Stations Under NOM-005. The above after being a supplier to Pemex Refinación for the inspection of more than 6,000 service stations throughout the country.

Some of the projects that DTP has worked on are: