CMAA is the Crane Manufacturers Association of America, Inc., an independent trade association affiliated with the Material Handling Industry. CMAA traces its roots to the Electric Overhead Crane Institute, known as EOCI, which was founded in 1927 by leading crane manufacturers of that time to promote the standardization of cranes as well as uniform quality and performance. The voluntary association was incorporated as the Crane Manufacturers Association of America, Inc. in 1955. Member Companies, representing the industry leaders in the overhead crane industry, serve the United States market from operations based in the United States, Canada, and Mexico.

Our Mission is to deliver exceptional value to our end-users, channel partners, members and industry associates while serving the overhead material handling industry. CMAA achieves this through:

Safety Advocacy
Engineering Specifications and Standards Development
Market Intelligence
Educational Materials
Member Professional Development
Recruiting and Developing a representative, active membership
Promotion and Enhancement of the CMAA brand

As the premier, preferred brand in the materials handling industry, CMAA:

Is recognized as the leading advocate for the safe application and operation of overhead traveling crane equipment and related products.
Engineering specifications are widely recognized as the preferred design standard for overhead traveling cranes, integrated crane systems, and crane components.
Is recognized as the leading authority and the principal resource in the overhead traveling crane industry.
Conducts business professionally with a spirit of enthusiasm, cooperation, honesty and integrity.
Positions its Members to achieve marketplace leadership.
Members, recognized as the leaders in the marketplace:
- Deliver superior value in their products and services.
- Provide products and services that are safe and productive.
- Provide high value and versatile solutions.
- Develop knowledgeable and expert channel partners.
- Provide an environment in which our customers can confidently purchase and derive superior value from our products.

Technical Papers

CMAA Specification No. 70 - 2010 - Multiple Girder Cranes

This specification contains information which should be helpful to the purchasers and users of cranes and to the engineering and architectural professions. While much of this information must be of a general nature, the items listed may be checked with individual manufacturers and comparisons made which can lead to optimum selection of equipment.
Purchase Standard

CMAA Specification No. 74 - 2010 - Single Girder Cranes

This book promotes standardization and provides a basis for uniform quality and performance. It contains information which can be helpful for purchasers and users of cranes, as well as engineers and architects. Text consists of seven sections: general specifications, crane service classifications, structural design, mechanical design, electrical equipment, crane inquiry data sheet and glossary.
Purchase Standard

Crane Specification FAQs