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About Douglas Phan
This profile covers Douglas Phan, a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Architectural, Engineering, and Related Services and based in Quincy, Illinois, United States.
Its primary NAICS classification is 541350 (Building Inspection Services). Douglas Phan is one of 1,843,395 companies listed in Illinois.
Business Contact Information
- Phone
- +1 (217) 2231200
- Address
- 1107 College Ave, Quincy, Illinois, 62301, United States
Industry & Classification
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541350Building Inspection Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 4 (1-5)
- Annual Revenue
- $132,000 ($0M-$1M)
Douglas Phan: frequently asked questions
What does Douglas Phan do?
This profile covers Douglas Phan, a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Architectural, Engineering, and Related Services and based in Quincy, Illinois, United States.
Where is Douglas Phan located?
Douglas Phan is headquartered at 1107 College Ave, Quincy, Illinois, 62301, United States.
How many employees does Douglas Phan have?
Douglas Phan has about 4 employees (the 1-5 range).
What is Douglas Phan's annual revenue?
Douglas Phan's annual revenue is estimated at $132,000 (the $0M-$1M range).
What industry is Douglas Phan in?
Douglas Phan's primary NAICS code is 541350 (Building Inspection Services).
How can I contact Douglas Phan?
Its phone number is +1 (217) 2231200.
Largest companies in Illinois
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Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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