Canadian Carnation BioProducts Company (CCC) focuses on bioproducts.  Canadian Carnation BioProducts strides to make alternative bioproducts by extracting plant grains. 

The Journal Science has a good review of what is possible in terms of industrial applications for natural plant chemicals: 

Balandrin, M. F., J. A. Klocke, E. S. Wurtele, and W. H. Bollinger. 1985. Natural plant chemicals: Sources of industrial and medicinal materials.Science 228: 1154-60.