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Products & Services
About E4 Security Inc
E4 Security Inc is a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Investigation and Security Services, based in Oakland, California, United States and operating in Office service.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). E4 Security Inc is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Address
- 1675 7th St, Oakland, California, 94623, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5616Investigation and Security Services
- 561621Security Systems Services (except Locksmiths)
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7382Security Systems Services (Except Locksmiths)
Company Details
- Employees
- 29 (21-50)
- Annual Revenue
- $2.2M ($1M-$5M)
E4 Security Inc: frequently asked questions
What does E4 Security Inc do?
E4 Security Inc is a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Investigation and Security Services, based in Oakland, California, United States and operating in Office service.
Where is E4 Security Inc located?
E4 Security Inc is headquartered at 1675 7th St, Oakland, California, 94623, United States.
How many employees does E4 Security Inc have?
E4 Security Inc has about 29 employees (the 21-50 range).
What is E4 Security Inc's annual revenue?
E4 Security Inc's annual revenue is estimated at $2.2M (the $1M-$5M range).
What industry is E4 Security Inc in?
E4 Security Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
What companies are similar to E4 Security 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
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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