Ehresmann Engineering
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A Leader in the Communications Tower Industry Since 1983 Situated in rural southeastern South Dakota, EEI has provided services in all 50 states and the world.
Ehresmann Engineering is an engineering consulting and steel fabricating firm, incorporated in 1983 to meet the highly specialized needs of the communication industry. Engineering projects have been as diverse as design, inspection, and project management in projects involving structures, material handling, power transmissions, and coal and aggregate processing. The company has completed projects from the design of an elaborate conveyor system for movement of aggregate in the back country of South America to the design and fabrication of satellite antenna mounts for Siberian oil fields. For over 30 years, Ehresmann Engineering has been prominent in the communications industry providing consulting services, design and analysis of antenna support structures, and specialty fabrication of towers and tower components. State-of-the-art computer software allows highly accurate analysis of antenna support structures to determine compliance with existing codes, as well as in-depth assessment of the capability of a structure to safely support existing and proposed loads.
07/24/2026
🚲✨ Tour De Yankton Business Spotlight & Hiring Event! ✨🚲
Ehresmann Engineering is hiring experienced Welders to join their team—helping engineer and fabricate tower structures built for strength, precision, and reliability in every environment.
Discover a career with:
• Vacation / PTO / Holiday
• Health Insurance
• 401(k)
• Opportunities to grow with a skilled, quality-driven team
Come meet their team and learn more!
📅 July 29 | 3:30–5:30 p.m.
📍 Yankton Job Service Office – 3113 Spruce Street
We are seeking skilled and dependable Welders to join our dynamic fabrication team!
Apply today at https://www.ehresmannengineering.com/contact
Requirements:
-1+ years of Welding experience required.
-Criminal Background Check & Drug Screening are required as part of the hiring process.
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¡Estamos buscando soldadores capacitados y confiables para unirse a nuestro dinámico equipo de fabricación!
Solicita hoy en https://www.ehresmannengineering.com/contact
Requisitos:
-Se requiere más de 1 año de experiencia en soldadura.
-Se requiere una verificación de antecedentes penales y una prueba de detección de dr**as como parte del proceso de contratación.
06/01/2023
YMA 2023
Ehresmann Engineering Thanks for pouring into this group of young adults by giving an awesome tour of your facility today!
03/15/2023
💥Here is a picture of a new 70' RCAG tower just installed in Michigan built by Ehresmann Engineering!
The most important feature of the RCAG Tower is the integration of staircases with the towers to replace the ladders on traditional Towers. Greatly increasing safety and ease of access the staircases are a complete game changer for the installation and maintenance of the equipment mounted on the platform!
02/01/2023
❄️Yankton might be starting to get tired of all the snow, but it does look pretty on our Monopine out front!
🌲Our Monopines branches have been wind tunnel tested with sustained winds of 115 mph! We manufacture the pole and branches in-house allowing complete control of the process to ensure superior quality.
01/04/2023
Did you know that Ehresmann Engineering has 55' Long Paint Booth to paint & conceal the monopoles that are fabricated there?
This paint booth helped create numerous different projects that are now located all over the 50 states!
12/21/2022
It's time to see what Ehresmann Engineering is all about!
This picture is of 2 of our welders welding the monopole baseplate.
So what's a monopole? A monopole will one day be a completed tower you'll see used as a radio antenna. Ehresmann Engineering monopoles are fabricated from high strength structural steel, are a continuous, and even taper with no irregular bolted joints or section splices. We offer painted monopole options for concealment.
12/20/2022
⚠️Ehresman Engineering is HIRING! For more information please call (605) 665-7532
Ehresmann Engineering A Leader in the Communications Tower Industry Since 1983
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Address
4400 W 31st Street
Yankton, SD
57078
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
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