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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

PTDA’s membership includes 125 distributors, 164 manufacturers and 12 associate firms. The United States is home to 77% of our distributor members with 19% from Canada and the balance located in Mexico, the Dominican Republic and New Zealand.


Employees & Branches

Distributor members employed a total of 39,109 individuals at over 2,720 locations. Inside sales/customer service staff accounted for 18% of distributors’ total workforce on average, with outside/field salespeople accounting for an additional 12%.

Forty-five percent of distributor members report having one or two branch locations, 30% have three to 10 branches and 25% report having 11 or more branch locations.

Distributor Ownership

PTDA distributor members are predominately privately-held companies with only 6% publicly traded. Of those privately held, 66% are family-owned businesses. Thirteen percent of distributor members are minority/women owned businesses.

Product Category Representation

PTDA manufacturer membership includes niche and broadline manufacturers representing fourteen power transmission/motion control product categories. After PT accessories, the largest major category represented is conveyors & material handling components followed by bearings.

Accessories 40%
Conveyors & Material Handling 34%
Bearings 34%
Belt & Chain Drives 31%
Shaft Couplings & U-Joints 29%
Gearing 28%
Adjustable Speed Drives 21%
Linear Motion Components 20%
Motor/Motion Control 14%
Clutches & Brakes 11%
Hydraulics & Pneumatics 9%
Motors 7%
Industrial Specialty Chemicals 5%
Pumps 3%

Member Annual PT/MC Sales

Half of PTDA’s distributor members have annual PT/MC sales of less than $6 million, with 40% under $4 million and 14% under $2 million. Thirteen percent of distributor members report sales of  $50 million and up.  On average, distributors report 66% of their sales are from MRO compared to 32% from OEM. More than 80% of manufacturer members have annual PT/MC sales of less than $50 million, 46% of which are under $10 million in sales.

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Power Transmission
Distributors Association

230 W. Monroe St.
Chicago, IL 60606-4703



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