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About Siminoff
Guitar, banjo, and mandolin strings developed by Roger Siminoff. Historical information on Lloyd Loar, Orville Gibson, and Roger Siminoff. Siminoff is a company classified under Other Miscellaneous Manufacturing, based in Atascadero, California, United States, employing 6-10 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 339992 (Musical Instrument Manufacturing). Siminoff is one of 7,660,543 companies listed in California.
Business Contact Information
- Phone
- +1 (805) 8018750
- Website
- siminoff.net
- facebook.com/straightupstrings
- Address
- PO Box 2992, Atascadero, California, 93423, United States
Industry & Classification
NAICS Codes
- 33
- 3399Other Miscellaneous Manufacturing
- 339992Musical Instrument Manufacturing
SIC Codes
- 39Miscellaneous Manufacturing Industries
- 393Musical Instruments
- 3931Musical Instrument Mfg.
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $1.0M ($1M-$5M)
Siminoff: frequently asked questions
What does Siminoff do?
Guitar, banjo, and mandolin strings developed by Roger Siminoff. Historical information on Lloyd Loar, Orville Gibson, and Roger Siminoff.
Where is Siminoff located?
Siminoff is headquartered at PO Box 2992, Atascadero, California, 93423, United States.
How many employees does Siminoff have?
Siminoff has about 6 employees (the 6-10 range).
What is Siminoff's annual revenue?
Siminoff's annual revenue is estimated at $1.0M (the $1M-$5M range).
What industry is Siminoff in?
Siminoff's primary NAICS code is 339992 (Musical Instrument Manufacturing).
How can I contact Siminoff?
Its website is siminoff.net and its phone number is +1 (805) 8018750.
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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