Products & Services
About Keystone Mine
Keystone Mine is a company operating in Metals and mining, employing 21-50 people, reporting $5M-$10M in annual revenue, classified under Mining, Quarrying, and Oil and Gas Extraction and based in Torrance, California, United States.
Its primary NAICS classification is 212390 (Other Nonmetallic Mineral Mining and Quarrying). Keystone Mine is one of 4,750 Raw materials companies listed in California.
Business Contact Information
- Address
- 23545 Crenshaw Blvd, Torrance, California, 90505, United States
Industry & Classification
- Industry
- Raw materials
- Sector
- Materials
- Segment
- Metals and mining
NAICS Codes
- 21Mining, Quarrying, and Oil and Gas Extraction
- 2123Nonmetallic Mineral Mining and Quarrying
- 212390Other Nonmetallic Mineral Mining and Quarrying
SIC Codes
- 10Metal Mining
- 104Gold And Silver Ores
- 1041Gold Ore Mining
Company Details
- Employees
- 41 (21-50)
- Annual Revenue
- $5.0M ($5M-$10M)
Keystone Mine: frequently asked questions
What does Keystone Mine do?
Keystone Mine is a company operating in Metals and mining, employing 21-50 people, reporting $5M-$10M in annual revenue, classified under Mining, Quarrying, and Oil and Gas Extraction and based in Torrance, California, United States.
Where is Keystone Mine located?
Keystone Mine is headquartered at 23545 Crenshaw Blvd, Torrance, California, 90505, United States.
How many employees does Keystone Mine have?
Keystone Mine has about 41 employees (the 21-50 range).
What is Keystone Mine's annual revenue?
Keystone Mine's annual revenue is estimated at $5.0M (the $5M-$10M range).
What industry is Keystone Mine in?
Keystone Mine is in the Raw materials / Materials industry, and its primary NAICS code is 212390 (Other Nonmetallic Mineral Mining and Quarrying).
What companies are similar to Keystone Mine?
Other large raw materials companies in California include K+S Aktiengesellschaft, Asia Pacific Resources Inc, OK Mine Company Inc and 20th Century Coal Company Inc.
Largest raw materials companies in California
Largest companies in California
Largest raw materials companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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