Abstract: To efficiently transact an order for construction material between a construction contractor and a construction material supplier using the present system, the server system is provided with a soft copy of construction drawings, each of the construction drawings containing a plan layout showing a type and location of structural elements in readable text, and a table listing the structural elements and the structural elements' corresponding specification also in readable text. Using the quantity extractor, the quantity information for the order is automatically extracted from the drawings. The extracted quantity information is then provided to the dient system in an order requisition preferably on a Web page. The dient system is then provided an option to accept the order requisition.