Ergon, Inc. (Ergon Refining)
Major global refiner and manufacturer of severely hydrotreated naphthenic electrical insulating oils (HyVolt™ series) meeting ASTM D3487 and IEC 60296 specifications for grid transformers.
Product categories
Transformer oil / ester fluids
Related components
Company record
| Company | Ergon, Inc. (Ergon Refining) (Ergon Group) |
|---|---|
| Role | PRIMARY_MILL_MANUFACTURER |
| Location | Jackson, Mississippi, United States |
| Accessory categories | Transformer oil / ester fluids |
| Product family | Severe Hydrotreated Naphthenic Transformer Insulating Oils |
| Product / Trade names | HyVolt I, HyVolt II, HyVolt C50 |
| Thermal insulation class | Inhibited & Uninhibited naphthenic oil |
| Documented grades | ASTM D3487 Type I & II, IEC 60296 |
| Technical standards | ASTM D3487 Type I & II, IEC 60296, CSA C50 |
| Founded | 1954 |
| Primary evidence citation | Ergon Refining technical product manual |
| Source tier | TIER A |
| Provenance | Sourced — not a product certification · Source: official website · checked 14 Sept 2026 |
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