Public regulatory phone
(803) 309-4828
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 |
|---|---|---|---|---|---|
| Holder Construction Group L | 0016040586 | ULS | 0f3f5b2ed6b9e60b0867636ec1df6fa34a879215cd275b04ddb88514c47832e2 | Authoritative identifier (100.0%) | 2026-09-01 10:44:53 |