Products & Services
About First Source
This profile covers First Source, a company reporting $1M-$5M in annual revenue, classified under Tax Preparation Services, based in Westminster, California, United States, operating in Office service and employing 11-20 people.
Its primary NAICS classification is 541213 (Tax Preparation Services). First Source is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (714) 6406654
- Website
- fshello.com
- Address
- 9741 Bolsa Ave, Westminster, California, 92683, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5412Accounting, Tax Preparation, Bookkeeping, and Payroll Services
- 541213Tax Preparation Services
SIC Codes
- 72Personal Services
- 729Miscellaneous Personal Services
- 7291Tax Preparation Services
Company Details
- Employees
- 11 (11-20)
- Annual Revenue
- $1.8M ($1M-$5M)
First Source: frequently asked questions
What does First Source do?
This profile covers First Source, a company reporting $1M-$5M in annual revenue, classified under Tax Preparation Services, based in Westminster, California, United States, operating in Office service and employing 11-20 people.
Where is First Source located?
First Source is headquartered at 9741 Bolsa Ave, Westminster, California, 92683, United States.
How many employees does First Source have?
First Source has about 11 employees (the 11-20 range).
What is First Source's annual revenue?
First Source's annual revenue is estimated at $1.8M (the $1M-$5M range).
What industry is First Source in?
First Source is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541213 (Tax Preparation Services).
How can I contact First Source?
Its website is fshello.com and its phone number is +1 (714) 6406654.
What companies are similar to First Source?
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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