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Products & Services
About MainTrain
MainTrain is listed as a company operating in Office service, employing 21-50 people, reporting $0M-$1M in annual revenue, classified under Services to Buildings and Dwellings and based in San Francisco, California, United States.
Its primary NAICS classification is 561720 (Janitorial Services). MainTrain is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (415) 3983353
- Website
- maintrain.org
- Address
- 777 Stockton St, San Francisco, California, 94108, 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
- 22 (21-50)
- Annual Revenue
- $756,000 ($0M-$1M)
MainTrain: frequently asked questions
What does MainTrain do?
MainTrain is listed as a company operating in Office service, employing 21-50 people, reporting $0M-$1M in annual revenue, classified under Services to Buildings and Dwellings and based in San Francisco, California, United States.
Where is MainTrain located?
MainTrain is headquartered at 777 Stockton St, San Francisco, California, 94108, United States.
How many employees does MainTrain have?
MainTrain has about 22 employees (the 21-50 range).
What is MainTrain's annual revenue?
MainTrain's annual revenue is estimated at $756,000 (the $0M-$1M range).
What industry is MainTrain in?
MainTrain is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561720 (Janitorial Services).
How can I contact MainTrain?
Its website is maintrain.org and its phone number is +1 (415) 3983353.
What companies are similar to MainTrain?
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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