The Brazilian oil and gas industry is currently one of the most attractive worldwide. Investors, equipment manufacturers and oil companies continuously seek ways to enter in this market to sustain its competitiveness. Due to the complexity and high investments required to operate in this sector, strategic alliances, mergers and acquisitions become mandatory to benefit from such opportunities. Thus, the aim of this thesisis to analyze strategic alliances, mergers and acquisitions of FMC Technologies with their key players in the oil and gas sector. The investigation was conducted using a case study methodology, with triangulation of methods. The survey data were collected by different ways: analysis of documents, telematic and perception research, using surveys and predominantly structured interviews. The data treatment was based on the theoretical framework, pursuant to a review of the relevant literature, with the support of the analytical tool GlobalSNA Framework Macedo-Soares (2011). The study results showed a match between the strategic objectives for the company and explained the alliances and M&A transactions with partners, providing increased opportunities and reducing threats in the industry level. As a result from the research, it is recommendedto conduct new studies focused on the main competitors of FMC Technologies, whose international operations are also based on global alliances in the oil and gas sector.