Custom Systems, Inc. provides computerized solutions to business situations, specializing in custom written applications tailored to suite your companies needs. Our senior staff are qualified and experienced accountants, holding CPA (Certified Public Accountant) and CA (Chartered Accountant) designations, who are also experienced computer professionals
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Custom Systems, Inc. Questions
The Custom Systems, Inc. annual revenue was $3 million in 2026.
Gikas Markantonatos is the Owner of Custom Systems, Inc..
1 people are employed at Custom Systems, Inc..
Custom Systems, Inc. is based in Palatine, Illinois.
The NAICS codes for Custom Systems, Inc. are [541, 54121, 5412, 54].
The SIC codes for Custom Systems, Inc. are [87, 872].
Top Custom Systems, Inc. Employees
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Gikas Markantonatos
Owner at Custom Systems, Inc.
Palatine, IL, US12
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