What we do


Capitol Rental expanded its services and evolved into today’s Capitol Steel Structures. Today Capitol Steel Structures has a powerful work force consisting of Estimators, Project Managers, Superintendents, Detailers, Steel Fabricators, Certified Welders, Steel Erectors, Architects and Engineers capable of tackling any project.

- Ruben Diaz, CEO

Pre-Construction & Detailing

For projects in the design phase, we develop the highest quality of shop drawings using the latest steel detailing softwares available. We work hand in hand with the engineers and architects of our projects in order to realize their vision for the structure down to the very last detail. All of our detailing is done in house for expediting and fast turn around times. We also constatly visit our jobsites, prior, during and after construction in order to provide the highest quality outcome available.

  • Initial and continous site visits
  • 3D modeling and isometrics
  • Specialty engineering services
  • Fast turn around for structural steel shop drawings
  • CNC, DXF, NC files as well as all detailed shop drawings

Steel Detailing

We use a variety of steel detailing and software platforms in order to provide the most accurate and detailed information possible: 

These items are not limited to:

  • Tekla Structures
  • Tekla POWERFAB
  • Advanced Steel
  • SDS/2

Reliable & Experienced

We are proud of our projects and the trust our clients have placed in us. Our vast list of projects is a testament to our knowledge and capabilities and no matter the challenge, Capitol Steel has always been able to take care of the situation.

Phone Number




Opening Times

Mon - Fri: 7am - 3:30pm


2188 NW 25th Ave, Miami FL. 33178

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