The youngest yet the oldest company within our corporate structure. The W.D. Whinery company was purchased by the Henderson Corporation in 1979. W.D.Whinery company has 55 years experience in the AC/DC electrical bus systems. We specialize on LARGE systems with copper and aluminum mixes.

We have engineered, designed, fabricated and installed over 100 systems for over 50 companies in 9 different countries. We will build systems as small a 21 pounds or a large as 750 tons. No job to small, and remember "when we do it, it is done right".

Using CAD systems design and CNC milling equipment ,we insure problem free installs. W.D. Whinery's reputation for excellence is unsurpassed in the field of large DC bus bar systems.