STL Engineering, LLC is an engineering company servicing heavy industrial clients. Founded in 2014 by Andrew M. Jansen P.E. and Jeffrey W. Obermeyer, P.E. Industries served: Cement Lime Quarries Metals Mining Bulk Material Handling
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STL Engineering, LLC Questions
The STL Engineering, LLC annual revenue was $3.6 million in 2026.
Andy Jansen is the Principal and Co-Owner of STL Engineering, LLC.
9 people are employed at STL Engineering, LLC.
STL Engineering, LLC is based in St. Louis, Missouri.
The NAICS codes for STL Engineering, LLC are [5413, 54, 541, 54133].
The SIC codes for STL Engineering, LLC are [87, 871].
Top STL Engineering, LLC Employees
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Roger Rossics
General Manager at STL Engineering, LLC
Chelsea, AL, US11 -
Andy Jansen
Principal and Co-Owner at STL Engineering, LLC
St. Louis, MO, US25 -
22
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11
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Garrett Klisuric
Mechanical Engineer II at STL Engineering, LLC
Wesley Chapel, FL, US22 -
Andy Jansen
Principal and CFO at STL Engineering, LLC
St. Louis, MO, US2 -
Sujith Valaparla
Civil Structural Engineer at STL Engineering, LLC
Saint Charles, MO, US1 -
Bridget Mason
Full Charge Bookkeeper at STL Engineering, LLC
St. Louis, MO, US1 -
Andrew Jansen
Principal at STL Engineering, LLC
St. Louis, MO, US
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