The Business Leadership Development Corporation (BLD) is a publishing company offering articles, books, and seminars. BLD is headquartered in Phoenix, Arizona, USA.

Etailia, doing business as Electronic Distribution and Technology Services (ED@S), is the retail site offering hard copy books, ebooks, audiobooks, and seminars of BLD publications and others recommended by BLD’s Center For Business Leadership Development.

Payments are processed by BLD’s affiliate, TechKnowPartners, LLC, in Tempe, Arizona, USA.