Southeast Wyoming Oil Spill Association (SEWOSA)

The Southeast Wyoming Oil Spill Association (SEWOSA) is a non-profit mutual aid cooperative made up of Wyoming pipeline operators. We work together to provide the equipment and expertise needed to respond to petroleum spills in a safe and efficient manner.

Bob Dundas (President)
307.266.0411 (office)
307.247.3702 (cell)
Bob.Dundas@truecos.com

Andrew Zawislanski (Secretary/Treasurer)
307.215.4139 (cell)
Andrew.P.Zawislanski@p66.com

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November 8, 2021

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Our Partners

Holly Frontier
Magellan
Sinclair
Bridger Pipeline LLC
Philips 66
Tallgrass
Silver Creek