Comporium — 130-Year-Old Family-Owned SC/NC Fiber
Comporium — Rock Hill SC based — is one of the oldest continuously family-owned telephone companies in America (founded 1894 as Catawba Telephone Co.). 5 generations of the same family. Modern symmetric XGS-PON fiber across the SC/NC border region — Rock Hill, Fort Mill, York, Lancaster, Tega Cay, Charlotte metro suburbs. Multi-generational family ownership is the rarest stability story in US telecom.
The short version
- Who: Comporium — 130-year-old family-owned SC/NC telco.
- Footprint: Rock Hill, Fort Mill, York, Lancaster, Tega Cay + Charlotte NC metro suburbs.
- Tech: Symmetric XGS-PON fiber.
- Speeds: 250 Mbps, 1 Gig, 2 Gig, 5 Gig symmetric.
- Recommendation: 🟢 GREEN.
Comporium tiers + 2026 pricing
Verified at comporium.com May 2026.
| Tier | Speed | Monthly |
|---|---|---|
| 250 Mbps | 250 / 250 Mbps | $55/mo |
| 1 Gig | 1,000 / 1,000 Mbps | $80/mo |
| 2 Gig | 2,000 / 2,000 Mbps | $110/mo |
| 5 Gig | 5,000 / 5,000 Mbps | $160/mo |
Rick's installer take
130 years. 5 family generations. Never sold. That's the cleanest ownership story in US telecom, period. If Comporium is at your SC/NC address, take it.
How to check your address
- Visit comporium.com.
- Cross-reference with our Coverage Grid.