This article observes the relationship among economic activity and local agents, by means of Social Networks Analysis (SNA) and showing the historical aspects on local development of the town of Telêmaco Borba, in the State of Paraná, Brazil. The social network can be understood as a Social Technology shaped by relationships among local agents and mapped by SNA. The relevance is given by the enrichment of knowledge by SNA, focusing on understanding the social technology as the basis of strategic formulation for actions to local development. The method used exploratory research and data from primary sources of a structured questionnaire for interviews. The study reveals that the interaction network among agents is elemental to creating capacities to its own identity and innovative solutions for local development. Pulp and paper activity is a cultural landmark and establishes a reference hard link and dependence for local actors.