Here are links to some web sites which may be of interest to you and a helpful form download for estimated taxes.
Internal Revenue Service
Federal Forms & tax filing information
Ohio Secretary of State
Business Filings Information Database
State of Ohio Home Page
All State Tax Forms & General Info on all State Agencies
The IRS E File Site
Information and Instructions on individual & business electronic tax filing
Accounting Software for Small to Medium Sized Business
Accounting Software for Small Businesses. Designed for non-accountants.