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Products & Services
About Gregory Day
This profile covers Gregory Day, a company based in Chicago, Illinois, United States, operating in Financial Services, employing 6-10 people, reporting $1M-$5M in annual revenue and classified under Portfolio Management and Investment Advice.
Its primary NAICS classification is 523940 (Portfolio Management and Investment Advice). Gregory Day is one of 84,218 Financial companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 3379503
- Website
- gregoryday.com
- facebook.com/johngregoryday
- Address
- 731 N Sangamon St, Chicago, Illinois, 60642, United States
Industry & Classification
- Industry
- Financial
- Sector
- Finance
- Segment
- Financial Services
NAICS Codes
- 52Finance and Insurance
- 5239Other Financial Investment Activities
- 523940Portfolio Management and Investment Advice
SIC Codes
- 62Security And Commodity Brokers, Dealers, Exchanges, And Services
- 628Services Allied With The Exchange Of Securities
- 6282Investment Advice
Company Details
- Employees
- 9 (6-10)
- Annual Revenue
- $1.1M ($1M-$5M)
Gregory Day: frequently asked questions
What does Gregory Day do?
This profile covers Gregory Day, a company based in Chicago, Illinois, United States, operating in Financial Services, employing 6-10 people, reporting $1M-$5M in annual revenue and classified under Portfolio Management and Investment Advice.
Where is Gregory Day located?
Gregory Day is headquartered at 731 N Sangamon St, Chicago, Illinois, 60642, United States.
How many employees does Gregory Day have?
Gregory Day has about 9 employees (the 6-10 range).
What is Gregory Day's annual revenue?
Gregory Day's annual revenue is estimated at $1.1M (the $1M-$5M range).
What industry is Gregory Day in?
Gregory Day is in the Financial / Finance industry, and its primary NAICS code is 523940 (Portfolio Management and Investment Advice).
How can I contact Gregory Day?
Its website is gregoryday.com and its phone number is +1 (312) 3379503.
What companies are similar to Gregory Day?
Other large financial companies in Illinois include Walgreens Boots Alliance Inc, Blue Cross Blue Shield Association, State Farm Mutual Automobile Insurance Co and Zurich Insurance.
Largest financial companies in Illinois
Largest financial companies
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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