Warning :

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J. D WARNIER left us in 1990, leaving us (fortunately) the unfinished manuscript of his latest work on the Organization of Enterprises. This work carried out in the 1980s sheds new light on how to organize the company, based on the study of the production flows of the main activity, and the flows of production from internal to The company.

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The flow of production of the main activity requires an understanding of the flows that directly contribute to the development of products and services intended directly for external customers. In terms of internal flows, it is the products and services consumed by the company And which indirectly contribute to production for external customers.

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I would like to share with you a reflection that JD WARNIER made to me during a conversation that I had shortly before he left us, I asked him the following question :

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"What impact did your work on the organization of the company (L.C.O) have on the LCS approach developed 20 years ago ?"

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The answer was: "In fact, when one considers the exchanges maintained by the company with other third parties in relation to it, it is not the enterprise that should be considered the second third of Any exchange, but a perfectly identifiable third party within the company in general a section. If I take the example of an external customer placing an order, it is not the company (as an entity ) To which the order is to be placed, but to the section responsible for taking the commands !. Consequently, we have to replace the first part of the LCS study, which consists in subdividing the set B of the bases, and the proposed subdivision of a logical base, which was carried out by taking the company as a third party, by studying the stages of each of the flows of production discovered with the study of the organization of the company.

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I think it took a lot of time, hard work and courage to come to that conclusion.

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It is for this reason that I will try (not being an expert in business organization) to highlight the important points of his reflections and to lead you to consider another approach to the organization of the company on the one hand, and of course its associated computer system.

I would also like to warn the reader that this document is not a course support, but a detailed presentation of its work. If you want to go into detail of this approach, I strongly advise you to obtain the book L.C.O published by Editions EYROLLES.

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