TDI has been operating in South Africa and parts of Africa for nearly 25 years and is the recognized supplier of QUEUE management systems to most of the continents large corporate companies.
TDI has been operating in South Africa and parts of Africa for nearly 25 years and is the recognized supplier of QUEUE management systems to most of the continents large corporate companies. Many of TDI’s products are based on CONSTANT FORCE SPRING TECHNOLOGY. TDI promotes LOCAL manufacture, but also recognizes that it is sometimes necessary to import cutting edge technological products and components and therefore includes both options within its product range.
We are the sole African distributor for the world’s two global leaders in Queue Management Systems.
TDI promotes a SOLUTION SALE approach to business and we are very successful in putting together a package of more than one product to suit our customer’s needs. TDI works closely with our worldwide suppliers to ensure that our African customers are always aware of the latest products available overseas.

TDI promotes a SOLUTION SALE approach to business and we are very successful in putting together a package of more than one product to suit our customer’s needs. TDI works closely with our worldwide suppliers to ensure that our African customers are always aware of the latest products available overseas.