AEM Staff Contact

Mark Benishek
AEF Technical Director | 414-298-4118

Product Focus

Small, portable cement, mortar and refractory mixers with a capacity of 20 cubic feet or less.

Mission Statement

  • To promote the safe and efficient operation of small portable mixers with a capacity of 20 ft3 or less in a workplace where operators of all skill levels are using and maintaining equipment.
  • To focus on safety issues, standards and regulations and to develop consistent markings, decals, placards and publications that address the needs of this industry while consistently conveying the appropriate safety messages.
  • To provide a forum where industry issues can be openly and freely discussed.
  • To provide a vehicle to communicate regulations or standards as they are developed.
  • To promote the interests of the member mixer manufacturers and to represent the industry in the spirit of cooperation with a common voice in:
    • Safety Issues
    • Standards
    • Regulatory Issues
    • Market Statistics
    • Market Issues


AEM members with an interest in the manufacture of portable cement, mortar or refractory mixers with a capacity of 20 ft3 or less. Each company has one vote on issues coming before the council; however, multiple representatives from a single company may attend meetings and participate in activities of the Portable Mixer Bureau.


Leadership of the Bureau is provided by a Chairman and a Vice Chairman elected from the ranks of the Bureau’s membership. The Chairman is elected for a two year renewable term with the Vice Chairman being the natural successor. A nominating committee is appointed to identify possible officer candidates along with AEM staff assistance.

Role of the Portable Mixer Bureau

To identify and develop industry positions and recommendations on standards, regulatory or market related issues.

  • To serve as the voice of the industry when a common voice is appropriate.
  • To develop industry positions regarding regulatory and legislative matters.
  • To identify and recommend additional services or service improvements.
  • To provide a defined communication path between members and AEM staff.


Formally organized as a bureau in 2007.