Arx Engineering is a structural design firm specializing in residential and commercial buildings up to 3 stories in height (or 45′ tall measured from bottom of lowest footing – to be super technical.  Engineers!).  The word “Arx” (pronounced “Arks”) is Latin for “fortress” or “stronghold.”  The company was started in 2009 by Ryan Briggs, in the middle of the not-so-Great Recession, and has grown every year since.

Our business is designing structures, but our purpose is delighting clients with our service.  Delighted clients come back, and spread the word.   We love to help people.  Our most rewarding projects are often the little ones (which many other engineers don’t even want), because we’re able to help people solve a structural problem.  Hearing people say “thank you” and knowing that we truly helped them means a lot.


Arx means Fortress or Stronghold




Principal Engineer

Ryan Briggs, PE is Arx Engineering’s principal and founder.  Ryan holds B.S. and M.S. degrees in civil engineering (emphasis structural) from Brigham Young University and has been engineering in Las Vegas since 2004.  He is a licensed civil engineer in the states indicated below.  He served as a member of the structural committee for the Southern Nevada Building Official’s 2006,  2009, and 2012 IBC code amendment/adoption process.

He has also enjoyed serving in the community in a variety of ways, such as volunteering at the hospital playing guitar to the children in the pediatric hematology/oncology unit, and more recently as a Cub Scout Cubmaster and children’s soccer and baseball coach.  Ryan also started as a place to express his artsy and humorous sides, which can be a little underused as an engineer.  Click on Ryan’s LinkedIn and Twitter links below for more information.



Office Manager

Rebecca is Arx Engineering’s Office Manager.  She handles the books and keeps the office running smoothly.  She enjoys spending time with her family, as well as pursuing personal fitness and nutrition goals, and is good at singing and cooking, and also painting (although she says she hates it).



Drafter/Assistant Designer

Elizabeth is one of Arx Engineering’s drafters/assistant designers.  She is a hard worker and is always willing to do whatever is necessary to get a project done.  She is very talented at playing the viola, and is currently in her college orchestra.  She is also good at drawing, keeping physically fit, and is well versed in sarcasm!



Drafter/Assistant Designer

Christian is one of Arx Engineering’s drafters/assistant designers.  He is very good at creating advanced drafting tools (dynamic blocks) in AutoCAD to help speed up the drafting process.  He loves drawing, sculpting, origami, 3D printing, is learning to speak Japanese, and can solve a Rubik’s cube in 14 seconds.



Drafter/Assistant Designer

Jenna is one of Arx Engineering’s drafters/assistant designers.  She is very good at organizing and is extremely detail oriented.  She is always busy with something, whether it’s working, school, or extracurricular activities.  She loves piano, creative writing, sewing, and family history.



I first contacted Ryan with Arx Engineering in 2012 from a referral given to be by a colleague….Since then I have engaged Arx Engineering on several Design Build projects and would recommend them to anyone in the industry. Ryan is easy to work with and always comes through when you need him. I look forward to working with Arx on many more projects in the future.

Joseph Crosland

Managing Member, Spectrum Construction

As a General Contractor that has performed 3000 projects in the past couple of years, we need a reliable and knowledgeable engineer to do our calcs and drawings timely and efficiently to handle our volume. Ryan and Arx consistently delivers for our needs and lets us get our work done.



Mike House

Owner, MK House Consulting, Inc.

I have personally used the services of Arx engineering on numerous occasions.  In every instance I have found them to be extremely knowledgeable, professional, and sensitive to the time and budget constraints I’ve been under.  The work they’ve done for me has always met the need, and has always considered the cost impact.  The owner, Ryan, has always gotten back to me in a timely manner when I had questions.

Mark McGhie

President, Chermac Builders, Inc.

Ryan and his team at Arx Engineering are top notch. As an architect and builder, I have worked with Arx Engineering for years on residential and commercial projects. I appreciate their attention to detail and willingness to spend the necessary time and resources to resolve complex issues. They are knowledgeable, fair, and always prompt to respond to my questions.

Jason Strodl

Owner, jasonstrodl adapture


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Ryan is a licensed civil engineer in the states shown on the map.


Arx Engineering Licenses

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