Other sites recommended by Peak Consulting are the following:

National Academy of Sciences of Ukraina - The central source for information on the Group Method of Data Handling (GMDH).  AutoNet, available on the Peak Consulting site, is a type of GMDH algorithm.  It is a statistical tool for nonlinear modeling.

Mackenzie And Company Inc. - Organizational Design Consultants.  Peak Consulting does not have expertise in this area, but this company is highly recommended.

McKinsey & Company - General Management Consulting. One of the best.