DPHV is created following in the footsteps of the firm Maurice Leblanc and Associates who had been in business and well known in the industry for the past 30 years. The first offices of the firm, known at the time as D. D'Aronco & Associates, occupied a part of this establishment on Principale Street, in Laval.

Following a growing need in the field of structural steel, Sigmax was born offering specialized services in the coordination and preparation of shop drawings and structural steel connection drawings.

Opening of DPHV and Sigmax office in Terrebonne.

The Bear Stearns Building on Madison Avenue in New York - First skyscraper project in New York. DPHV provides engineering design for the fabrication of columns and vertical bracing.

Opening of the DPHV office in Beloeil.

DPHV develops new expertise and provides design engineering services with wooden structures and builds the structure of the Bois-de-Boulogne Sports Center in Laval, the first wooden stadium in Quebec.

As part of the mandate obtained by the ADF Group to provide part of the structural steel for the prestigious Tower 1 of the World Trade Center in New York, DPHV provides fabrication and construction engineering services for part of the structural steel for the outer shell.

DPHV develops new expertise and provides BIM (Building Information Modeling) services by integrating centralized 3D modeling and shared with all stakeholders in the realization of the project

Having worked closely for many years with the firm AXNOR specialized in structures for the telecommunications and wind energy, AXNOR becomes a wholly owned subsidiary of DPHV.

DPHV develops new expertise and providing engineering services for the realization of a fall protection system that rises at the same time as the "Climbing Cocoon" structure. This system was previously used for the construction of the new World Trade Center complex.