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Products & Services
About E4a
E4a is a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Research and Development in the Social Sciences and Humanities, based in San Francisco, California, United States and operating in Office service.
Its primary NAICS classification is 541720 (Research and Development in the Social Sciences and Humanities). E4a is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +14155023490
- Website
- evidenceforaction.net
- facebook.com/evidence4action
- Address
- 3333 California St, San Francisco, California, 94118, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5417Scientific Research and Development Services
- 541720Research and Development in the Social Sciences and Humanities
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 873Research, Development, And Testing Services
- 8732Marketing Research and Public Opinion Polling
Company Details
- Employees
- 21 (21-50)
- Annual Revenue
- $2.4M ($1M-$5M)
E4a: frequently asked questions
What does E4a do?
E4a is a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Research and Development in the Social Sciences and Humanities, based in San Francisco, California, United States and operating in Office service.
Where is E4a located?
E4a is headquartered at 3333 California St, San Francisco, California, 94118, United States.
How many employees does E4a have?
E4a has about 21 employees (the 21-50 range).
What is E4a's annual revenue?
E4a's annual revenue is estimated at $2.4M (the $1M-$5M range).
What industry is E4a in?
E4a is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541720 (Research and Development in the Social Sciences and Humanities).
How can I contact E4a?
Its website is evidenceforaction.net and its phone number is +14155023490.
What companies are similar to E4a?
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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