Signal Peak Silica LLC (SPS) is the owner and operator of three in-basin frac sand facilities located in Monahans, TX, suppor ... ting the Permian Basin; Poteet, TX, supporting the Eagle Ford; and Oakwood, OK, supporting the Mid-Con. SPS is focused on providing high-quality frac sand closer to the end user and is committed to being a responsible and safe neighbor in the communities where we operate. read more