# Sinclair

Auto Services in Gregory, SD 57533

- Address: 408 E Highway 18
- Phone: +16058359449
- Website: https://www.sinclairoil.com/station/sinclair-408-w-highway-18-gregory-sd-57533

A local business in Gregory, SD. Sinclair is a trusted member of the community.

Community board: https://www.yourlocalsquare.com/board/gregory/57533
Canonical page: https://www.yourlocalsquare.com/pin/gregory/57533/58329-sinclair
Last updated: 2026-05-16