John Shewmaker
Commercial services · West Covina, California
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Products & Services
About John Shewmaker
This profile covers John Shewmaker, a company operating in Office service, employing 6-10 people, reporting $1M-$5M in annual revenue, classified under Executive, Legislative, and Other General Government Suppor and based in West Covina, California, United States.
Its primary NAICS classification is 921140 (Executive and Legislative Offices, Combined). John Shewmaker is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (626) 4379321
- Website
- shewmaker.info
- Address
- 318 S Myrtlewood St, West Covina, California, 91791, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 92Public Administration
- 9211Executive, Legislative, and Other General Government Support
- 921140Executive and Legislative Offices, Combined
SIC Codes
- 91Executive, Legislative, And General Government, Except Finance
- 913Executive And Legislative Offices Combined
- 9131
Company Details
- Employees
- 8 (6-10)
- Annual Revenue
- $1.3M ($1M-$5M)
John Shewmaker: frequently asked questions
What does John Shewmaker do?
This profile covers John Shewmaker, a company operating in Office service, employing 6-10 people, reporting $1M-$5M in annual revenue, classified under Executive, Legislative, and Other General Government Suppor and based in West Covina, California, United States.
Where is John Shewmaker located?
John Shewmaker is headquartered at 318 S Myrtlewood St, West Covina, California, 91791, United States.
How many employees does John Shewmaker have?
John Shewmaker has about 8 employees (the 6-10 range).
What is John Shewmaker's annual revenue?
John Shewmaker's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is John Shewmaker in?
John Shewmaker is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 921140 (Executive and Legislative Offices, Combined).
How can I contact John Shewmaker?
Its website is shewmaker.info and its phone number is +1 (626) 4379321.
What companies are similar to John Shewmaker?
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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