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About Prosign
Prosign is a company reporting $5M-$10M in annual revenue, classified under Other Miscellaneous Manufacturing, based in Monterey Park, California, United States and employing 21-50 people.
Its primary NAICS classification is 339950 (Sign Manufacturing). Prosign is one of 7,660,543 companies listed in California.
Business Contact Information
- Phone
- +1 (626) 6728620
- Website
- prosignusa.com
- Address
- 441 S Garfield Ave, Monterey Park, California, 91754, United States
Industry & Classification
NAICS Codes
- 33
- 3399Other Miscellaneous Manufacturing
- 339950Sign Manufacturing
SIC Codes
- 39Miscellaneous Manufacturing Industries
- 399Miscellaneous Manufacturing Industries
- 3993Sign Mfg.
Company Details
- Employees
- 24 (21-50)
- Annual Revenue
- $6.7M ($5M-$10M)
Prosign: frequently asked questions
What does Prosign do?
Prosign is a company reporting $5M-$10M in annual revenue, classified under Other Miscellaneous Manufacturing, based in Monterey Park, California, United States and employing 21-50 people.
Where is Prosign located?
Prosign is headquartered at 441 S Garfield Ave, Monterey Park, California, 91754, United States.
How many employees does Prosign have?
Prosign has about 24 employees (the 21-50 range).
What is Prosign's annual revenue?
Prosign's annual revenue is estimated at $6.7M (the $5M-$10M range).
What industry is Prosign in?
Prosign's primary NAICS code is 339950 (Sign Manufacturing).
How can I contact Prosign?
Its website is prosignusa.com and its phone number is +1 (626) 6728620.
Largest companies in California
Largest companies on Factur
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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