Keystone Mining Post
Construction · Fullerton, California
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Products & Services
About Keystone Mining Post
Keystone Mining Post is listed as a company employing 1-5 people, reporting $1M-$5M in annual revenue, classified under Engineering Services, based in Fullerton, California, United States and operating in Industrial construction.
Its primary NAICS classification is 541330 (Engineering Services). Keystone Mining Post is one of 26,724 Construction companies listed in California.
Business Contact Information
- Phone
- +1 (714) 3051487
- Website
- www.keystoneminingpost.com
- Address
- 2461 E Orangethorpe Ave, Fullerton, California, 92831, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541330Engineering Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 871Engineering, Architectural, And Surveying
- 8711Engineering Services
Company Details
- Employees
- 5 (1-5)
- Annual Revenue
- $1.2M ($1M-$5M)
Keystone Mining Post: frequently asked questions
What does Keystone Mining Post do?
Keystone Mining Post is listed as a company employing 1-5 people, reporting $1M-$5M in annual revenue, classified under Engineering Services, based in Fullerton, California, United States and operating in Industrial construction.
Where is Keystone Mining Post located?
Keystone Mining Post is headquartered at 2461 E Orangethorpe Ave, Fullerton, California, 92831, United States.
How many employees does Keystone Mining Post have?
Keystone Mining Post has about 5 employees (the 1-5 range).
What is Keystone Mining Post's annual revenue?
Keystone Mining Post's annual revenue is estimated at $1.2M (the $1M-$5M range).
What industry is Keystone Mining Post in?
Keystone Mining Post is in the Construction / Construction industry, and its primary NAICS code is 541330 (Engineering Services).
How can I contact Keystone Mining Post?
Its website is www.keystoneminingpost.com and its phone number is +1 (714) 3051487.
What companies are similar to Keystone Mining Post?
Other large construction companies in California include Hyundai Engineering & Construction Co. Ltd, RSK Group, Takenaka Corp and Daewoo Construction.
Largest construction companies in California
Largest companies in California
Largest construction 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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