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About Allegiant Emergency Services

Thank you for visiting Allegiant Emergency Services. Allegiant is your full-service dealer for new and used Fire / Rescue Equipment, Fire Trucks and Ambulances covering South Dakota, North Dakota, Nebraska and NW Iowa. 

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Committed to Excellence, Service & Quality

Since we started, Allegiant has entered into both strategic and exclusive partnerships with companies like MSA Safety, Holmatro Rescue Equipment, Akron Brass, Bristol Turnout Gear and Toyne Fire Trucks. It is with companies like these that have helped us bring quality products and new solutions to the market and provide you with better tools in today’s ever changing conditions.


Knowing that you have many choices for your departments equipment and service needs, we sincerely thank you in advance for giving us an opportunity to work with you. Thank you for choosing Allegiant.


At Allegiant our commitment to you is simple; we are Committed to Excellence, Service and Quality. 

Meet Our Team

Mark Brenneman

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President and Owner

Office: 605.528.3078 

Chad Baumgarten

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Fire & Rescue Equipment Sales
NW South Dakota | Western ND
Cell: 605.222.9702
bummys@sdplains.com 

Rob Johnsen

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Fire & Rescue Equipment Sales
Cell: 605.380.7951
rob@allegiantes.com 

Bruno Groenewold

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Fire & Rescue Equipment Sales
Cell: 605.351.6837
bruno@allegiantes.com 

Deb Ward

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Gary Lembcke

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Sales Manager
Cell: 605.366.5817
gary@allegiantes.com 

Eric Mickelson

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Service Manager
Cell: 605.321.9078
Office: 605.528.3078
24hr: 605.690.2759
service@allegiantes.com