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mobile-grid-100 headerbildB"> <img src="/Bilder/Headbilder/Header-Unternehmen.jpg?m=1687786820" alt="SUMA headquarters" height="500" title="SUMA headquarters" width="1920" /> </div> </div> <div class="grid-container CTAline"> <div class="grid-75 mobile-grid-100 breadcrumb"> You are here: <a href="/EN/">Home</a> > Company > History </div> <div class="grid-25 mobile-grid-100 suche"> <form method="get" onsubmit=";return true;" action="/EN/search.php"><input id="term" class="searchfeld" name="we_lv_search_search" type="text" value="" /><input type="hidden" name="we_from_search_search" value="1" /><input type="submit" value="" class="searchbutton"/><input type="hidden" name="securityToken" value="78cfc9646cc1da805f88bcbaaaf76e36"/></form> </div> <div id="CTAOnOff" class="wow fadeInUpBig"> <a class="Button" href="javascript:toggle('CTAbox')"><i class="icon-info-circled"></i></a> </div> <div id="CTAbox" class="wow fadeInLeft"> <div class="CTAFIXmobilClose"> <a class="Button" href="javascript:toggle('CTAbox')"><i class="icon-cancel-circled-1"></i></a> </div> <div id="CTAcontent"> <span class="CTAkontakt">Contact</span><br> <i class="icon-mobile-3 CTAicon1"></i><br> +49 8376 92131 0 <hr> <i class="icon-mail-1 CTAicon2"></i> <span class="CTAmail"><a href="mailto:info@suma.de">info@suma.de</a></span><br> <hr> <a href='/EN/contact-persons.php'>Contact persons</a> <hr> <i class="demo-icon icon-basket-2"></i> <span class="CTAmail"><a href="https://www.suma.de/shop/en">SUMA Shop</a></span><br class="brbr"> <hr> <a class="toTop" href="#Logo"> <i class="icon-up-open-1 CTAicon3"></i><br> </a> top </div> </div> </div> </header> <div class="gridFlex" style='background: '> <div class='grid-container CTAline' style='background: transparent' > <div class='grid-100 mobile-grid-100 wow ' > <h2>SUMA milestones - from 1957 to now</h2> </div> <div class='grid-50 mobile-grid-100 wow ' > <script> function init() { var vidDefer = document.getElementsByTagName('iframe'); for (var i=0; i<vidDefer.length; i++) { if(vidDefer[i].getAttribute('data-src')) { vidDefer[i].setAttribute('src',vidDefer[i].getAttribute('data-src')); } } } window.onload = init; </script> <div id="VideoPlayer" style='height: px'> <p class="suma"> SUMA milestones - from 1957 to now </p> <iframe frameborder="0" class="youtube" allowfullscreen="true" src='' data-src='https://www.youtube.com/embed/NYI2DuqJZto?rel=0&autoplay=0&controls=1&showinfo=0&theme=light' allowfullscreen></iframe> </div> </div> </div> </div> <div class="gridFlex" style='background: '> <div class='grid-container CTAline' style='background: transparent' > <div class='grid-100 mobile-grid-100 wow ' > <h2>Our History</h2> </div> <div class='grid-33 mobile-grid-100 wow ' > <p><img src="/Bilder/Unternehmen_Bilder/Gewerbeanmeldung1957.jpg?m=1676910575" alt="SUMA Gewerbeanmeldung 1957" height="850" title="SUMA Gewerbeanmeldung 1957" width="600" /></p> </div> <div class='grid-33 mobile-grid-100 wow ' > <p><span class="suma">31.03.1957</span><br/>The official business registration as "factory for development, production and maintenance of electrical and mechanical facilities, machinery and equipment" was made through Gerhard Th眉rw盲chter in K眉hbach, Germany.</p> </div> <div class='grid-33 mobile-grid-100 wow ' > <p><img src="/Bilder/Unternehmen_Bilder/SUMA_Kuehbach.jpg?m=1676910575" alt="SUMA Haus in K眉hbach" height="300" title="SUMA Haus in K眉hbach" width="451" /></p> </div> <div class='grid-100 mobile-grid-100 wow ' > <div class="clear"></div> </div> <div class='grid-33 mobile-grid-100 wow ' > <p><img src="/Bilder/Unternehmen_Bilder/Zeichnung_Rekordmix.jpg?m=1676910575" alt="SUMA Zeichnung erstes Elektror眉hrwerk Rekordmix" height="300" title="SUMA Zeichnung erstes Elektror眉hrwerk Rekordmix" width="341" /></p> </div> <div class='grid-33 mobile-grid-100 wow ' > <p><span class="suma">01.04.1957</span><br/>Starting with manufacturing of agitators and hay trailers. This also includes the development of the first electric agitator "Rekordmix" (see picture below). During the first business year, the farmer Clemens Merk entered the company and therefore offered more assurance.</p> <p>As the first manufacturer of agitators, the company had customers in the Netherlands, England, Ireland and Norway just a few years later.</p> </div> <div class='grid-33 mobile-grid-100 wow ' > <p><img src="/Bilder/Unternehmen_Bilder/Elektroruehrwerk_Rekordmix_Werbung.jpg?m=1676910575" alt="SUMA Werbung erstes Elektror眉hrwerk Rekordmix " height="300" title="SUMA Werbung erstes Elektror眉hrwerk Rekordmix " width="212" /></p> </div> <div class='grid-50 mobile-grid-100 wow ' > <p><span class="suma">1963</span><br/>The 2. generation of the Rekordmix was introduced to the market in 1963 as Rekordmix B.</p> <p><span class="suma">1965</span><br/>Expansion of the company. The company moved in an old farmhouse in the middle of Sulzberg (Germany). The barn was used as factory and had space for 15 qualified workers. During the time, Clemens Merk left the company.</p> <p><span class="suma">1970</span><br/>Development of the first tractor-driven agitator "R眉hrgigant" by Gerhard Th眉rw盲chter.</p> <p><span class="suma">1972</span><br/>The company was renamed in "Th眉rw盲chter Sondermaschinen GmbH". A few months later they had the first major order of 800 electric motors. The export at this state was by 20 per cent.</p> <p><span class="suma">1976</span><br/>The company started with the building of new premises in the business park of Sulzberg (Germany). With a market share of 70 - 80 per cent, the Th眉rw盲chter Sondermaschinenbau GmbH had a former role in the business of agitators.</p> <p><span class="suma">1978</span><br/>Development of the first tower type agitator.</p> <p><span class="suma">1982</span><br/>Development of the R眉hrgigant SG as an alternative for the submersible motors.</p> <p><span class="suma">1986</span><br/>Manufacturing of museum displays. After 4 years, both divisions had their own manager but the manufacturing of the museum displays was shut off a little later because of too less customers.</p> <p><span class="suma">1988</span><br/>Manufacturing of combined agitators.</p> </div> <div class='grid-50 mobile-grid-100 wow ' > <p><span class="suma">1991<br/></span>Dipl. Ing. (FH) Paul Th眉rw盲chter entered the company and was designed as CEO in 1993. He took over the shares of his father in 1998.</p> <p><span class="suma">1992</span><br/>The company employed approx. 25 employees.</p> <p><span class="suma">2000</span><br/>Optimising of the agitators and construction of new products.<br/>Expansion to America: foundation of the subsidiary SUMA America Inc.</p> <p><span class="suma">2007</span><br/>50th anniversary of SUMA Sondermaschinen GmbH & Co. KG. The company was renamed to SUMA R眉hrtechnik GmbH on the 28th December.</p> <p><span class="suma">2010</span><br/>Foundation of the subsidiary BRASUMA Ltda.</p> <p><span class="suma">2015</span><br/>Approx. 85.000 agitators were sold in about 49 countries. SUMA has about 70 employeed and the export rate is about 50%.</p> <p><span class="suma">2017</span><br/>SUMA celebrates its 60th anniversary.</p> <p><span class="suma">2019</span><br/>The export share is over 60% and over 94,000 mixers have been sold to 59 countries.<br/>Meanwhile the company has more than 100 employees.<br/>Start of construction of the new assembly hall.</p> <p><strong>2020<br/></strong>SUMA expands its agitator technology portfolio with the new <a href="/EN/pumps.php">PRESSURA pump range</a>.<br/>Inauguration of the new assembly hall with office complex and canteen CASUMA.<strong><br/></strong></p> <p><strong>2023<br/></strong>Lena Undeutsch (born Th眉rw盲chter) is appointed Managing Director. Henceforth, she forms the joint dual leadership with her father and owner Paul Th眉rw盲chter.<strong><br/></strong></p> <p><strong>2024</strong><br/>Foundation of the sales company SUMA Polska</p> </div> <div class='grid-100 mobile-grid-100 wow ' > <p><img src="/Bilder/Unternehmen_Bilder/DE_SUMALandkarte_2017-01.jpg?m=1676910647" height="765" width="1500" /></p> </div> </div> </div> <footer> <div class="gridFlex Flex Fuss" id="anker"> <div class="grid-container Fuss CTAline"> <div class="grid-25 mobile-grid-100 Fuss_A"> <div itemscope itemtype="https://schema.org/Organization"> <a itemprop="url" href="https://www.suma.de"><div itemprop="name"><strong>SUMA R眉hrtechnik GmbH</strong></div></a> <div itemprop="address" itemscope itemtype="http://schema.org/PostalAddress"> <span itemprop="streetAddress">Martinszeller Str. 21</span><br> <span itemprop="postalCode">87477</span> <span itemprop="addressLocality">Sulzberg</span><br> <span itemprop="addressCountry">Germany</span><br> <br> <div itemscope itemtype="https://schema.org/Organization"> Phone: <span itemprop="telephone">+49 8376 921310</span><br> Fax: <span itemprop="faxNumber">+49 8376 9213119</span><br> E-Mail: <a href="mailto:info@suma.de"><span itemprop="email">info@suma.de</span></a> </div> </div> </div> </div> <div class="grid-25 mobile-grid-50 Fuss_B"> <p>  Social Media<br><br> <a href="https://www.linkedin.com/company/suma-r眉hrtechnik" target="_blank"><i class="demo-icon icon-linkedin-squared"></i></a> <a href=" https://www.instagram.com/suma_ruehrtechnik/" target="_blank"><img src="/Data/images/Instagram.svg?m=1684333139" height="100" width="100" class="facebookfooter " /></a> <a href=" https://www.facebook.com/suma.ruehrtechnik/" target="_blank"><a href="https://www.facebook.com/suma.ruehrtechnik" target="_blank"><img src="/Data/images/fb-logo-klein.svg?m=1676910730" height="100" width="100" class="facebookfooter " /></a></a> <a href="https://www.youtube.com/user/sumasince1957" target="_blank"><i class=" icon-youtube-play" target="_blank"></i></a><br> </p> <table border="0" cellspacing="0" cellpadding="0"> <tr> <td align="left" style="maring: 0;padding:0"> <a style="float: left;margin-left: -2px" href=''><i class="icon-mail-squared"></i></a> </td> <td> <a href=''><span class="newsletter">subscribe<br>Newsletter</span></a> </td> </tr> </table> </div> <div class="grid-25 mobile-grid-50 Fuss_B1"> <div class="fusslogoA"> Member of <br> <img src="/Data/images/FachverbandBiogas-Logo.png?m=1676910662" height="66" width="180" /><br class="nophone"> <img src="/Data/images/Logo-Umweltcluster-Bayern.png?m=1676910678" height="61" width="180" /><br class="nophone"> <a href="/EN/certificates.php"><img src="/Data/images/Grafik/iso-icon-E.svg?m=1676910666" class="phoneA " /></a> </div> </div> <div class="grid-25 mobile-grid-50 Fuss_C"> <div class="nurmobileAA"> <p> <a href='/EN/imprint.php'>Imprint</a><br> <a href='/EN/privacy.php'>Privacy</a><br> <a href='/DE/hinweisgebermeldestelle.php'>Whistleblower Reporting</a><br> <a class="cookiebutton" href="#" onclick="CCM.openWidget();return false;">Cookie</a><br> <a href='/EN/gtc.php'>GTC</a><br> <a href='/EN/sitemap.php'>Sitemap</a><br> <a href='/EN/faq.php'>FAQ</a> </p> </div> </div> <div class="grid-100 mobile-grid-100 Fuss_ende"> © 2025 www.suma.de | All rights reserved </div> </div> </div> <script type="text/plain" data-usercentrics="Google Analytics" async src="https://www.googletagmanager.com/gtag/js?id=UA-34060253-1"></script> <script type="text/plain" data-usercentrics="Google Analytics"> window.dataLayer = window.dataLayer || []; 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