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Products & Services
About May First
May First is listed as a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under All Other Telecommunications and based in Covina, California, United States.
Its primary NAICS classification is 517810 (All Other Telecommunications). May First is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (860) 8291225
- Website
- mayfirst.coop
- Address
- 440 N Barranca Ave 4402, Covina, California, 91723, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 51Information
- 5178All Other Telecommunications
- 517810All Other Telecommunications
SIC Codes
- 48Communications
- 489Communications Services, Not Elsewhere
- 4899All Other Telecommunications
Company Details
- Employees
- 25 (21-50)
- Annual Revenue
- $1.7M ($1M-$5M)
May First: frequently asked questions
What does May First do?
May First is listed as a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under All Other Telecommunications and based in Covina, California, United States.
Where is May First located?
May First is headquartered at 440 N Barranca Ave 4402, Covina, California, 91723, United States.
How many employees does May First have?
May First has about 25 employees (the 21-50 range).
What is May First's annual revenue?
May First's annual revenue is estimated at $1.7M (the $1M-$5M range).
What industry is May First in?
May First is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 517810 (All Other Telecommunications).
How can I contact May First?
Its website is mayfirst.coop and its phone number is +1 (860) 8291225.
What companies are similar to May First?
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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