Establishments primarily engaged in manufacturing carbon, graphite, and metal-graphite brushes and brush stock; carbon or graphite electrodes for thermal and electrolytic uses; carbon and graphite fibers; and other carbon, graphite, and metal-graphite products.
- Brush blocks, carbon or molded graphite
- Brushes and brush stock contacts: carbon and graphite-electric
- Carbon specialties for electrical use
- Carbons, electric
- Electrodes for thermal and electrolytic uses, carbon and graphite
- Fibers, carbon and graphite
- Lighting carbons