Society of Independent Gasoline Marketers of America (SIGMA) logo Society of Independent Gasoline Marketers of America (SIGMA)
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Founded in 1958 as the Society of Independent Gasoline Marketers of America (SIGMA), SIGMA has become a fixture in the motor fuel marketing industry. After more than fifty years of leadership, SIGMA is the national trade association representing the most successful, progressive, and innovative fuel marketers and chain retailers in the United States and Canada. From the outset, the association has served to further the interests of both the branded and unbranded segment of the industry while providing information and services to members.
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SIGMA Spring Conference 2025
Society of Independent Gasoline Marketers of America Spring Conference
4/22/2025 - 4/24/2025
SIGMA Annual Meeting 2025
Society of Independent Gasoline Marketers of America Annual Meeting
11/4/2025 - 11/6/2025
SIGMA Spring Conference 2026
Society of Independent Gasoline Marketers of America Spring Conference
4/27/2026 - 4/29/2026
SIGMA Annual Meeting 2026
Society of Independent Gasoline Marketers of America Annual Meeting
Dates: TBD
SIGMA Spring Conference 2027
Society of Independent Gasoline Marketers of America Spring Conference
Dates: TBD



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