Public regulatory phone
(210) 592-4879
Associations below come from public FCC regulatory records. Confidence describes the source relationship, not current ownership of the number.
| Company or contact | FRN | System | Source record | Confidence | Observed |
|---|---|---|---|---|---|
| DIAMOND SHAMROCK REFINING MKT owner | 0001682533 | ASR | 7c41c3880ba1f84b866b79d12d8aad494180532f51a9663e17702a76173b1f5b | Authoritative identifier (100.0%) | 2026-08-07 08:18:36 |