Ehresmann Engineering
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Ehresmann Engineering is an engineering consulting and steel fabricating firm, incorporated as a family business in 1983 to meet the highly specialized needs of the communication industry. Situated in rural southeastern South Dakota, EEI has provided services in all 50 states and around the world. EEI is the leader of communication tower design, engineering, and manufacturing.

Needmore Towers, Inc. is a division of Ehresmann Engineering Inc. performing field audits and tower installation services. Inspection and installation crews are staffed with Comtrain certified climbers that travel to your tower locations. Together with EEI's engineering and manufacturing services, we offer a complete communications tower solution.

Needmore Towers partners with our sister company EEI Imaging to incorporate the newest UAV and terrestrial LIDAR technology into our tower site auditing programs. Reality capture with UAV's and LIDAR provide us alternative methods of obtaining audit data. Inspections with these newly acquired technologies can provide more detailed information with greater accuracy and less climber exposure on the structures.
Services
Ehresmann Engineering Inc. started in 1983 as an Engineering company specialized in the Telecommunications Infrastructure Industry.
Since 1983, we completed structural analysis on thousands of communication towers and have developed an engineering staff with 100 years of experience in the structural design of towers.
We also have a vast knowledge of tower manufacturers that are no longer in business including Advanced Industries, Dresser-Ideco, Marconi, TCC, and Truscon.
We have analyzed towers as short as 20' in height to 2,000' and everything in between.
Ehresmann Engineering has a complete fabrication facility able to provide you with custom-built guyed, self-supporting towers, and monopoles designed for any specific application.
We also provide quick response in fabricating a complete line of antenna mounts and other tower appurtenances for our own towers as well as antenna support structures of any make or type.
Ehresmann Engineering is proud to introduce our newly designed Monopine branches for the communications industry.
Our branches have been wind tunnel tested with sustained winds of 115 mph.
The 5' branch was tested to 150 mph of sustained wind.
We manufacture the pole and branches in-house allowing complete control of the process to ensure superior quality.
EEI also manufactures and installs replacement branches to fit other manufacturer's towers.
Have a specific kind of look you want?
Ask us about it!
Ehresmann Engineering replacement monopine branches are adaptable with most manufacture's branch receptors.
Our monopine branches are made of durable materials and have been wind tunnel tested with our 5' branch reaching over 150 mph.
All monopine branches are made in our facility located in Yankton, SD.
Providing wireless coverage in residential or developed areas in discrete ways has resulted in a variety to unique solutions.
Ehresmann Engineering can provide you with a variety of concealment solutions including light poles, flag poles, cross poles and artificial trees.
We design our structures utilizing the latest RF transparent materials available.
Every job is custom designed and engineered to your exact needs and specifications.
You deal directly with an engineer not a salesman.
Contact us for your concealment tower and pole needs.
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