Mine Profile
Carderock Quarries
Bethesda, Maryland
Learn more about the operator, controlling company, and MSHA profile for this site. Mining Sentry keeps this information fresh so that safety leaders can plan visits, benchmark production, and validate compliance.
- MSHA ID
- 1800404
- Operator
- Tri-State Stone & Building Supply Inc.
- Controller
- Porto Family Dynasty Trust 1; Brian A Porto et al
- Business Name
- Tri-State Stone & Building Supply Inc.
- Status
- Active
- Mine Type
- Surface
- Primary SIC
- Crushed, Broken Stone NEC
- Address
- 8200 Seven Locks Road
- City
- Bethesda
- State
- Maryland
- Zip Code
- 20817
- Contact Title
- President
Mine Classification
Type code Surface designates the site as a surface operation. Primary SIC Crushed, Broken Stone NEC can be used to benchmark production and safety trends against similar mines in Mining Sentry.