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Products & Services
About Letterloop
Letterloop is a fun and easy way to create private, group newsletters. Let everyone ask and answer interesting questions about their lives — all over email, no apps.
Its primary NAICS classification is 513210 (Software Publishers). Letterloop is one of 38,661 IT companies listed in California.
Business Contact Information
- Website
- letterloop.co
- linkedin.com/company/letterloop
- Address
- 1834 Balboa St, San Francisco, California, 94121, United States
Industry & Classification
- Industry
- IT
- Sector
- Software and Services
- Segment
- Software
NAICS Codes
- 51Information
- 5132Software Publishers
- 513210Software Publishers
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7372Software Publishers
Company Details
- Employees
- 9 (6-10)
- Annual Revenue
- $1.4M ($1M-$5M)
Letterloop: frequently asked questions
What does Letterloop do?
Letterloop is a fun and easy way to create private, group newsletters. Let everyone ask and answer interesting questions about their lives — all over email, no apps.
Where is Letterloop located?
Letterloop is headquartered at 1834 Balboa St, San Francisco, California, 94121, United States.
How many employees does Letterloop have?
Letterloop has about 9 employees (the 6-10 range).
What is Letterloop's annual revenue?
Letterloop's annual revenue is estimated at $1.4M (the $1M-$5M range).
What industry is Letterloop in?
Letterloop is in the IT / Software and Services industry, and its primary NAICS code is 513210 (Software Publishers).
How can I contact Letterloop?
Its website is letterloop.co.
What companies are similar to Letterloop?
Other large iT companies in California include JD.com, Salesforce Inc, Didi Chuxing Technology Co and Adobe Inc.
Largest it 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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