• Demo Image

Our family business Mayr & Wilhelm GmbH & Co. KG was founded in 1892 and offers incomparable experience in the planning, manufacturing and maintenance of shell-and-tube heat exanger. By determined orientation towards the demands of refineries and major chemical industry we have attained an exceptional reputation as a reliable and competent partner.

We are here for you at all times, whenever you require our services. Our flexibility and velocity combined with steadfast on-time delivery is always appreciated within our far-reaching roster of clients who rely on us in assisting during critical situations.

Your planning procedures will be worry-free with us at your side. Our service quality, experience and reliability will secure your projects and appliances as required. We are also constantly progressing. Investments into new production apparatuses, training and advanced tuition for our personnel as well as early implementation of new regulations and procedures of authorisation guarantee that we will remain the best choice for you in the future.

Facts & Figures:

» Mayr & Wilhelm celebrates its 125th anniversary in 2017
» Owner-operated since foundation, family tradition now in its fourth generation
» More than 100 employees, partially with over 40 years of affiliation
» Delivery and maintenance of up to 300 heat exchangers and replacement components per annum
» 7000 sqm of craned production area

Our heat exchangers:
» Gross weight ranging from 2 to 80 tons
» Lengths between 1 and 25 m, diameters between 300 mm and 4 m
» Thickness between 5 up to 100 mm
» Temperature allocation from -40°C up to +450°C and pressure calculation from 1 up to 300 barg

  • Demo Image



Expansion of the Grimma facility by 400 sqm, further investment into a 45mm plate roller, boring machine and welding appliances


Acquisition of ASME U-Stamp certification and expansion of Grimma plant by a further 1550 sqm and new cranes.


Introduction of the TwistedTube(R) heat exchangers into our catalogue (cooperation with Koch heat transfer)


The entry of Alexander Wilhelm into business now continues the fourth generation of Mayr & Wilhelm.


First expansion of the Grimma plant by 1500 sqm and cranes suitable for 30 tons.


Introduction of the Helixchanger(R) (heat exchanger with threaded baffles) into our catalogue (CB&I licence, formerly ABB Lummus)


Rebranding of legal status into “Mayr & Wilhelm GmbH & Co. KG”


Foundation of our Grimma branch.


Our business has been residing in Großmoordamm road (today: Lewenwerder) in the district of Hamburg-Harburg since 1996


The third generation takes responsibility in 1961 in shape of Ernst Mayr and Alfred WIlhelm


Alfred Wilhelm senior enters the business.


Friedrich Mayr joins the company.


company foundation