Identifying the key decision-makers including both business decision-makers and technology decision-makers and then find their verified contacts.
Apart from this, you can always research information related to specific companies.
Each company is referred to as “Account”
This approach is usually adopted by the sales team who are selling to specific regions or specific companies or companies that are usually large.
So, you start with a list of specific companies (most relevant as per your business) and then you profile those companies and find relevant information on those companies.