Organizational Structure Alternatives

The evolution of your role chart

When Chief Executive Officer (CEO) runs the entire operations of the construction company.
When Chief Executive Officer (CEO) Sales and Marketing for the construction company and COO manages other functions.
When Chief Executive Officer (CEO) manages Sales and Estimating of the construction company and COO manages the other functions.
Organization structure (orgchart) for when Chief Executive Officer is big picture only with a strong Chief Operating Officer