Step 1: Understand the concept of coordination.
Coordination is the process of ensuring that all activities in an organization align towards the achievement of its goals. It is generally initiated by top-level management, as they are responsible for the overall direction and strategy of the organization.
Step 2: Evaluate the options.
- Top-level management plays a crucial role in setting the overall direction and coordinating different departments to ensure harmony.
Step 3: Conclude.
The correct answer is that coordination is primarily established by top-level management.
Final Answer:
\[
\boxed{\text{Top level management}}
\]