About Us




Sam Biswas

Founder, President, and CEO

Sam is a licensed Professional Engineer in State of Arizona and California with more than 25 years of experience. A graduate in Civil and Structural Engineering, Sam holds a KB-1 (dual) contracting license in State of Arizona.

Sam commands a demonstrated record within the architectural, engineering, and construction (AEC) industry with his extensive work on variety of projects across diverse construction verticals including commercial, residential, retail, high seismic retrofitting and hurricane structures. Sam and his team of engineers & construction managers provide instant, smart and innovative building concepts and engineering solutions with state-of-the-art technology automation to ensure your “design-build” project exceeds the building code requirements and gets completed on time and budget.

Additionally, Sam has diverse management and entrepreneurial experience in many successful global ventures that he owns and operates ranging from IT Consulting Services, Import–Export, and promotion of state-of-the-art technologies worldwide.


Jennifer Rentzis

Operations Manager

Jennifer has extensive experience in project management, administration, and accounting. As our Senior Project Manager, Jennifer supervises company contracts, project execution, and delivery. She is an Arizona-licensed real estate agent and an Arizona-certified paralegal.

The EIFFEL Industries Advantage

EIFFEL Industries, LLC in Scottsdale, AZ was formed by Sam Biswas, PE (Arizona and California). Our company has a total of 20 years of pioneering experience in the Phoenix Metropolitan Area. We offer design engineering services that comply with the latest building codes, using proven concepts and state-of-the-art technology to ensure that we get through the permit process smoothly.

What sets us apart from the competition is that we enter every construction site with the goal of working on the project with focused precision. Additionally, we prefer to be involved in the early design phases of engineering projects. We work closely with the owner, architect, design/build contractor, and other consultants to make sure that the structure is cost-effective while guaranteeing that it meets the needs of everyone involved.

We have the expertise and knowledge needed to investigate many structural systems. Our staff has worked on structural engineering for all types of buildings. As required, our team can develop the most practical and efficient system regarding the conditions and materials of various structures. We work on preexisting single-family homes, multifamily homes, new home builds, small businesses, corporate offices, schools, student housing units,hospitals, and industrial buildings.

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Memberships and Affiliations

  • American Concrete Institute (ACI, Professional Member)
  • American Institute of Steel Construction (AISC)
  • American Society of Civil Engineers (ASCE, Affiliate Member


  • KB-1 Contracting License in Arizona
  • AZ ROC #311191

Professional Engineer Registration

  • Arizona Licence No. #44084
  • California Licence No. #C75921