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Products & Services
About Millstone
This profile covers Millstone, a company operating in Office service, employing 6-10 people, reporting $1M-$5M in annual revenue, classified under Advertising Agencies and based in Walnut, California, United States.
Its primary NAICS classification is 541810 (Advertising Agencies). Millstone is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (415) 8490155
- Address
- 340 S Lemon Ave Pmb, Walnut, California, 91789, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5418Advertising, Public Relations, and Related Services
- 541810Advertising Agencies
SIC Codes
- 73Business Services
- 731Advertising
- 7311Advertising Agencies
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $1.1M ($1M-$5M)
Millstone: frequently asked questions
What does Millstone do?
This profile covers Millstone, a company operating in Office service, employing 6-10 people, reporting $1M-$5M in annual revenue, classified under Advertising Agencies and based in Walnut, California, United States.
Where is Millstone located?
Millstone is headquartered at 340 S Lemon Ave Pmb, Walnut, California, 91789, United States.
How many employees does Millstone have?
Millstone has about 6 employees (the 6-10 range).
What is Millstone's annual revenue?
Millstone's annual revenue is estimated at $1.1M (the $1M-$5M range).
What industry is Millstone in?
Millstone is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541810 (Advertising Agencies).
How can I contact Millstone?
Its phone number is +1 (415) 8490155.
What companies are similar to Millstone?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
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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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