Dumas Concepts In Building was founded in 1973 as a general contractor. As the industry evolved, DCIB added construction management, steel fabrication , steel erection , risk management safety and most recently sustainability “green” consulting services.

J.L. Dumas, founder and president of the company, leads with steady resolve and flexibility. benefit for clients and other firms .

Our history in the industry is rich with participation in some of the largest and most ambitious construction projects throughout the Midwest ranging from transportation projects for the airports in Detroit and Chicago to state-of-the-art professional spectator arenas such as the United Center, Miller Park and Ford Field.

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Certifications / Registrations / Affiliations

National Minority Supplier Development Council (NMSDC)

International Steel Fabricators

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DCIB is ISO 9000 Registered

The careful accumulation of 130 years of "intellectual capital" provides our clients with high level technical and administrative expertise with a single source of accountability. Regardless the project scope, we can assemble the best possible team to meet clients needs. From estimating, buying out and initiating delivery systems, to the management of steel fabrication, erection and other related services, we are team players ready to serve you.

As a 100% African-American owned business enterprise, we bring a cultural commitment and drive to be evaluated on the merits of performance and integrity to each project on which we participate.

We know the value of customer service and pride ourselves in being able to anticipate and respond to the needs of our customer.

Some Fast Facts for

Dumas Concepts In Building:

Founded in 1973
One of the first minority firms to be awarded a contract to work on one of Detroit's most notable and tallest landmarks, the Renaissance Center, in 1977. Now it is the current World Headquarters for General Motors Corporation.
First minority contractor to procure a major automotive contract with Ford and to be named their Contractor of the Year in 1982
Steel trade services added in 1990
Conveyance solutions established in 1999
Material Handling Equipment provider since 2002

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About Us