About

Shell Engineering & Associates, Inc. is all about sustaining manufacturing by helping with their environmental regulatory requirements.

  • Founded in 1975 by Harvey Shell, P.E., chemical engineer and one of the first Air Program Directors, Shell Engineering continues to track regulatory improvements to help industries of all sizes.
  • Shell Engineering consulted for some of the first major-source permits and has been monitoring for these “PSD” permits ever since.
  • Shell Engineering has operated continuously from Columbia, MO, since 1975, helping regulated facilities of all sizes save time with their environmental requirements.
  • We have seen DNR’s many changes over the decades and empower our clients to use any significant improvements to benefit their bottom-line.

Company Objective | Sustaining Our Regulated Manufacturing Economy

Leaders in Air Permitting & Monitoring Since 1975 our engineers continue to sift through the volumes of constantly changing regulations to figure out which ones best support our manufacturing economy, challenging or clarifying with regulators as needed to meet your goals.

Founded by one of the first Directors of Missouri’s Air Permitting Program Shell Engineering & Associates, Inc. continues to lead the way giving industries the most options and least hindered applications and requests.

Our clients can stay ahead of their competition – both local and from afar – with Shell Engineers’ century-plus of combined air regulatory experience, labor in industry, and continued hard work to get the most bang for your buck – from largest emitters to smallest Mom & Pop shops.


With Shell Coverage you don’t just get over a century of combined air regulatory engineering.  The Shell Advantage comes from our longstanding dedication to help industries of all types and sizes.

Your custom compliance solution project is designed – maximizing the benefits vs. cost of your Permitting & Reporting Projects – whether they are required by law or are your option to improve your operations.

We are happy to answer any questions to see which Shell Services may help you keep ahead!

Please Contact Us any time with any questions or to request a free estimate and project assessment!

Shell Executive Management

Charles Shell, P.E., President and  CEO 

Charles earned his B.S. in Mechanical Engineering from UMC in 1981 and went on to work for a utility plant before joining Shell Engineering in 1983.  He and his wife still reside in Columbia and enjoy watching their grandkids and staying active with their families.

 

Harvey Shell, P.E., Founder and Owner

Harvey earned his B.S. in Chemical Engineering from UM-Rolla in 1958 and went on to work in industy and as head of the first Air Program for Missouri DNR before founding Shell Engineering in 1975.  He continues his daily dedication in leading this company.  He is also an avid reader, and enjoys staying active with his grandkids and great-grandkids.