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Products & Services
About Leon Telecom
This profile covers Leon Telecom, a company reporting $1M-$5M in annual revenue, classified under Business Support Services, based in Ontario, California, United States, operating in Office service and employing 6-10 people.
Its primary NAICS classification is 561421 (Telephone Answering Services). Leon Telecom is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (909) 6351919
- Address
- 1221 E 4th St, Ontario, California, 91764, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5614Business Support Services
- 561421Telephone Answering Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 8 (6-10)
- Annual Revenue
- $1.3M ($1M-$5M)
Leon Telecom: frequently asked questions
What does Leon Telecom do?
This profile covers Leon Telecom, a company reporting $1M-$5M in annual revenue, classified under Business Support Services, based in Ontario, California, United States, operating in Office service and employing 6-10 people.
Where is Leon Telecom located?
Leon Telecom is headquartered at 1221 E 4th St, Ontario, California, 91764, United States.
How many employees does Leon Telecom have?
Leon Telecom has about 8 employees (the 6-10 range).
What is Leon Telecom's annual revenue?
Leon Telecom's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is Leon Telecom in?
Leon Telecom is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561421 (Telephone Answering Services).
How can I contact Leon Telecom?
Its phone number is +1 (909) 6351919.
What companies are similar to Leon Telecom?
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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