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About us

Founded in 2001, MJDII is a multi-talented firm based in Dallas that provides project/program management, architectural design and MEP engineering design services that span all disciplines and project phases. Our unified team is comprised of architects, engineers, construction administration, and quality assurance professionals who seamlessly collaborate to develop thoughtful solutions.


Johnston and MJDII, with over 40 years of combined experience, have expertise in advancing technology, industrial, manufacturing, aviation and research facilities, as well as for healthcare, government and commercial clients.


Interior Design

MEP Engineering

Facility Consulting

Urban design draws together the many strands of place-making, environmental stewardship, social equity and economic viability into the creation of places.

Samantha John, Ceo

Through a unique combination of engineering, construction and design disciplines and expertise, Concor delivers world class infrastructure solutions.

Jose Sanchez, Liquid

Our process applies techniques from a variety of disciplines, values distinction in detail and gives careful. Since the 1980s, as the complexity of buildings began to increase.

Daniel Mark, Envato
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