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Products & Services
About Kleen
Kleen is a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Services to Buildings and Dwellings and based in Montclair, California, United States.
Its primary NAICS classification is 561720 (Janitorial Services). Kleen is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (909) 5305424
- Address
- 5200 Holt Blvd, Montclair, California, 91763, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5617Services to Buildings and Dwellings
- 561720Janitorial Services
SIC Codes
- 45Transportation By Air
- 458Airports, Flying Fields, And Airport Terminal
- 4581Other Airport Operations
Company Details
- Employees
- 35 (21-50)
- Annual Revenue
- $4.6M ($1M-$5M)
Kleen: frequently asked questions
What does Kleen do?
Kleen is a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Services to Buildings and Dwellings and based in Montclair, California, United States.
Where is Kleen located?
Kleen is headquartered at 5200 Holt Blvd, Montclair, California, 91763, United States.
How many employees does Kleen have?
Kleen has about 35 employees (the 21-50 range).
What is Kleen's annual revenue?
Kleen's annual revenue is estimated at $4.6M (the $1M-$5M range).
What industry is Kleen in?
Kleen is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561720 (Janitorial Services).
How can I contact Kleen?
Its phone number is +1 (909) 5305424.
What companies are similar to Kleen?
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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