This paper compares the corporate network strategies between multinational corporations of two different origins (United States and Spain), business groups, and state-owned enterprises in the public utility sector of a developing country going through economic and political transitions. The transitions we consider are from an import substitution industrialization model to an open market economy and from a democratic regime to a dictatorial one and back to democracy. We analyze the Chilean telecommunications sector between 1958 and 2005 and find that during a democratic regime all firms sought to build more networks with each other, while incentives decrease under an authoritarian regime. In the protectionist era, US investors built links with Chile’s corporate elite, while in times of an open economy, Spanish investors built these links with the government. State-owned corporations did not attempt to build links with other actors at any time, and business groups sought to build most networks among members of the group. Our findings challenge two commonly held assumptions: first, that open economies decrease incentives for domestic actors to build links with each other and, second, that close political regimes increase incentives to build networks among economic actors.