[D] Suggestions for large-scale company name standardization?

We are trying to standardize a long list (in millions) of company name strings. The same company can show up in different rows because of abbreviations, nicknames, subsidiaries, business units, typos, etc. So we need a way to group rows based on whether they are the same company. Given the size of our data, is there any good way to process the standardization efficiently?

Below is an example in which all strings should be grouped as a single company:

JPMorgan …

machinelearning scale standardization