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Products & Services
About Proofreading
This profile covers Proofreading, a company classified under Business Support Services, based in West Covina, California, United States, operating in Office service, employing 1-5 people and reporting $0M-$1M in annual revenue.
Its primary NAICS classification is 561410 (Document Preparation Services). Proofreading is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Address
- 906 E Herring Ave, West Covina, California, 91790, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5614Business Support Services
- 561410Document Preparation Services
SIC Codes
- 73Business Services
- 733Mailing, Reproduction, Commercial Art And Photography, and Stenographic Services
- 7338Document Preparation Services
Company Details
- Employees
- 3 (1-5)
- Annual Revenue
- $904,000 ($0M-$1M)
Proofreading: frequently asked questions
What does Proofreading do?
This profile covers Proofreading, a company classified under Business Support Services, based in West Covina, California, United States, operating in Office service, employing 1-5 people and reporting $0M-$1M in annual revenue.
Where is Proofreading located?
Proofreading is headquartered at 906 E Herring Ave, West Covina, California, 91790, United States.
How many employees does Proofreading have?
Proofreading has about 3 employees (the 1-5 range).
What is Proofreading's annual revenue?
Proofreading's annual revenue is estimated at $904,000 (the $0M-$1M range).
What industry is Proofreading in?
Proofreading is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561410 (Document Preparation Services).
What companies are similar to Proofreading?
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
Largest industrial & mechanical 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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