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Products & Services
About Sign Development Inc
Sign Development Inc is listed as a company classified under Other Miscellaneous Manufacturing, based in Upland, California, United States, operating in Industrial machinery, employing 11-20 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 339950 (Sign Manufacturing). Sign Development Inc is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (909) 9205535
- Website
- www.sdi-signs.com
- Address
- 1366 W 9th St, Upland, California, 91786, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Machinery
- Segment
- Industrial machinery
NAICS Codes
- 33
- 3399Other Miscellaneous Manufacturing
- 339950Sign Manufacturing
SIC Codes
- 39Miscellaneous Manufacturing Industries
- 399Miscellaneous Manufacturing Industries
- 3993Sign Mfg.
Company Details
- Employees
- 14 (11-20)
- Annual Revenue
- $3.3M ($1M-$5M)
Sign Development Inc: frequently asked questions
What does Sign Development Inc do?
Sign Development Inc is listed as a company classified under Other Miscellaneous Manufacturing, based in Upland, California, United States, operating in Industrial machinery, employing 11-20 people and reporting $1M-$5M in annual revenue.
Where is Sign Development Inc located?
Sign Development Inc is headquartered at 1366 W 9th St, Upland, California, 91786, United States.
How many employees does Sign Development Inc have?
Sign Development Inc has about 14 employees (the 11-20 range).
What is Sign Development Inc's annual revenue?
Sign Development Inc's annual revenue is estimated at $3.3M (the $1M-$5M range).
What industry is Sign Development Inc in?
Sign Development Inc is in the Industrial & mechanical / Machinery industry, and its primary NAICS code is 339950 (Sign Manufacturing).
How can I contact Sign Development Inc?
Its website is www.sdi-signs.com and its phone number is +1 (909) 9205535.
What companies are similar to Sign Development Inc?
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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