Used mechanical and electrical equipment for the metals industry.

Who We Are

TDI Group, LLC (TDI) is a supplier of used and re-manufactured mechanical & electrical equipment throughout the primary metals and manufacturing industries, delivering direct benefits to our clients worldwide.


Furnishes equipment alternatives that promote time-saving, economical options addressing plant capital investment, repairs and maintenance activities.

Is a service provider delivering sound services developed from years of “hands-on” experience and field knowledge gained by our TEAM members.

Our Core Values: that shape the culture and define the character of our company

Service every client with care, respect, and the highest level of professionalism; be the most trustworthy company you can employ

Provide the best pro-active service available in the marketplace

Work closely with our clients and provide the highest and best service in every instance

Our History

Thimons Duquesne Industrial Group (TDI) was formed in 2001 through the merging of two operating companies:

Thimons Incorporated, founded 1960, that specialized as a supplier of quality used industrial mechanical equipment servicing the primary metals and steel mill industries and Duquesne Electric & Manufacturing Company, founded 1916, that specialized as a supplier of used re-manufactured electrical & mechanical equipment to the metals industry with the objective of accommodating the global industry through enhanced and expanded equipment capabilities and resources promoting used equipment … our economical solution for the metals and manufacturing industries.

TDI is a buyer of machinery & equipment and an industry service provider, supplying used equipment from inventory and network resources via our extended reach into the global market while working for our clients worldwide. Our TEAM-structured approach, business relationships, experience, and knowledge are employed as we work closely with our clients providing the best service to meet and exceed expectations every time.

How can TDI Group help you today?