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Products & Services
About Mark 1 Custom Software
At Mark 1 Custom Software, we help businesses grow and thrive by making their information more manageable. We remove paperwork, make inventory easy, increase efficiency, and lower costs. As a custom software development company, we work with you to personalize new solutions or improve existing systems. Our development team understands biochemistry and uses the latest technology.
Its primary NAICS classification is 541511 (Custom Computer Programming Services). Mark 1 Custom Software is one of 5,647 IT companies listed in Illinois.
Business Contact Information
- Phone
- +1 (623) 2826662
- Website
- mark1online.io
- Address
- 1321 Dickens Ct, Monticello, Illinois, 61856, United States
Industry & Classification
- Industry
- IT
- Sector
- Software and Services
- Segment
- Software
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5415Computer Systems Design and Related Services
- 541511Custom Computer Programming Services
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7371Custom Computer Programming Services
Company Details
- Employees
- 10 (6-10)
- Annual Revenue
- $485,000 ($0M-$1M)
Mark 1 Custom Software: frequently asked questions
What does Mark 1 Custom Software do?
At Mark 1 Custom Software, we help businesses grow and thrive by making their information more manageable. We remove paperwork, make inventory easy, increase efficiency, and lower costs. As a custom software development company, we work with you to personalize new solutions or improve existing systems.
Where is Mark 1 Custom Software located?
Mark 1 Custom Software is headquartered at 1321 Dickens Ct, Monticello, Illinois, 61856, United States.
How many employees does Mark 1 Custom Software have?
Mark 1 Custom Software has about 10 employees (the 6-10 range).
What is Mark 1 Custom Software's annual revenue?
Mark 1 Custom Software's annual revenue is estimated at $485,000 (the $0M-$1M range).
What industry is Mark 1 Custom Software in?
Mark 1 Custom Software is in the IT / Software and Services industry, and its primary NAICS code is 541511 (Custom Computer Programming Services).
How can I contact Mark 1 Custom Software?
Its website is mark1online.io and its phone number is +1 (623) 2826662.
What companies are similar to Mark 1 Custom Software?
Other large iT companies in Illinois include Morningstar Inc, Alight, Paylocity and IFS.
Largest it companies in Illinois
Largest companies in Illinois
Largest it 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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