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Power Transmission Distributors Association is...

the leading association for the power transmission/motion control industrial distribution channel, bringing together distributors and manufacturers.

Membership | Who Our Members Are

Who Our Members Are

PTDA’s members are the companies that distribute and manufacture industrial power transmission/motion control (PT/MC) components that keep the world running smoothly.

PTDA’s membership comprises the industry’s leading PT/MC companies, whose top executives participate in PTDA’s Industry Summit and meetings and serve in volunteer roles. PTDA represents PT/MC distribution firms that generate more than $20 billion in sales and span more than 2,700 locations. PTDA members also include manufacturers that supply the PT/MC industry. 

PTDA members include:

  • Independent, regional and national distributors serving as single-source providers of products and value-added services
  • Niche and broadline manufacturers of PT/MC products committed to selling through distribution
  • Service providers that provide critical support, such as software, consulting and training, to PT/MC distributors and manufacturers
  • Educational institutions offering courses in industrial distribution, power transmission, mechanical engineering or industrial maintenance

The information and charts below provide a breakdown of the PTDA membership demographics.

Members by Type and Location

As of December 2019, PTDA’s membership included 155 distributors, 179 manufacturers companies and 15 associate firms. The United States is home to 79% of our distributor members with 17% from Canada and the balance located in the Dominican Republic, Mexico, New Zealand, Philippines, Trinidad and Tobago and the United Kingdom.


Employees & Branches

Distributor members employed a total of 38,698 individuals at 2,739 locations. Inside sales/customer service staff accounted for 18% of distributors’ total workforce on average, with outside/field salespeople accounting for an additional 12%.

Almost half of distributor members have one or two branch locations, 32% have 3-10 branches and 20% report having 11 or more branch locations.

Distributor Ownership

PTDA distributor members are predominately privately held companies with only 8% publicly traded. Of those privately held, 53% are family owned businesses. 10% of distributor members are minority/women owned businesses.

Product Category Representation

PTDA manufacturer membership includes niche and broadline manufacturers representing 14 power transmission/motion control product categories. The list below indicates the percentage of total members manufacturing a product in that product category (i.e. 33% of all manufacturer members manufacture bearings).

Member Annual PT/MC Sales

Over half of PTDA's distributor members have annual PT/MC sales of less than $6 million, with 42% under $4 million and 17% under $2 million. 10% of distributor members report sales in excess of $50 million. On average, distributors report 64% of their sales are from MRO compared to 32% from OEM.

Over 80% of manufacturer members have annual PT/MC sales of less than $50 million, 46% of which are under $10 million.