Aegion, Chesterfield, MO

Aegion is a multinational company providing pipeline services, including protecting, rehabilitation, engineering, and design of infrastructure projects for a wide range of industries located in Chesterfield, MO.

Aegion is a public traded company (NASDAQ Ticker:AEGN) with headquarters in the St. Louis suburb of Chesterfield, Missouri.  For more than 40 years, Aegion and affiliated companies have completed municipal, commercial, and industrial projects throughout North America, Asia, and Europe.

Aegion has played a pioneering role in research since 1971 and has developed transformational solutions such as their cured-in-place pipe (CIPP) to rehabilitate and strengthen aging wastewater, water, energy, and mining pipelines.  They also provide corrosion engineering services and technologies to protect infrastructure cathodically.

Aegion strives to provide consistent safety and quality throughout all aspects of the business.

An amazing change of company status occurred on May 17, 2021, with the following statement made on their website:

May 17, 2021 – Aegion Corporation, a leading provider of infrastructure maintenance, rehabilitation, and protection solutions, today announced the successful completion of the previously announced transaction under which affiliates of New Mountain Capital, L.L.C. (“New Mountain”) acquired all outstanding shares of Aegion for $30.00 per share in cash.

As a result of the transaction, Aegion has become a private company and its common stock will no longer be listed for trading on the Nasdaq stock market. Robert (Rob) M. Tullman has been appointed President and Chief Executive Officer of Aegion Corporation, effective May 18, 2021, following the planned retirement of outgoing President and Chief Executive Officer Charles R. Gordon.

Mr. Tullman commented, “The completion of this transaction represents the exciting first step in advancing Aegion’s compelling near- and long-term growth prospects as an industry leader and a protector of communities and the environment.  I look forward to working with the dedicated teams as we leverage our differentiated portfolio of technologies and delivering transformational solutions to maintain, rehabilitate and protect critical infrastructure around the world.”


Centerview Partners LLC served as exclusive financial advisor to Aegion, and Shearman & Sterling LLP served as legal counsel. Jefferies and Houlihan Lokey served as financial advisors to New Mountain Capital LLP, and Ropes & Gray served as legal counsel.

HQ Location (s):

17988 Edison Avenue
St. Louis, MO 63005, United States
Phone: (636) 530-8000

With branch offices, licensees, and partners throughout the world, Aegion Corporation combines innovative technologies with market-leading expertise to maintain, rehabilitate and strengthen infrastructure worldwide.  Aegion is committed to Stronger.  Safer.  Infrastructure.®

Additional locations:

  • Singapore
  • Cleveland, UK
  • Calgary Alberta
  • Wellingborough, Northants
  • Lisburn, Northern Ireland
  • Dubai
  • Company Locations Map

Aegion capabilities listed include:

  1. Cathodic Protection
  2. CIPP Tube Sales
  3. Cured-in-Place Pipe
  4. Coating Applications
  5. FRP for Pipelines
  6. Pipeline Rehabilitation Solutions
  7. HDPE Pipe Lining
  8. New Pipelines
  9. Pipeline Integrity
  10. Facility Services
  11. Structural FRP Reinforcement

Aegion Website Pages:

Relevant Links:


  1. Wikipedia Page
  2. Public Traded Co.’s St Louis
  3. STL.News Business Directory Listings
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