Between June and July 2012, , made donations totalling $5,000, according to reports filed with the Massachusetts Office of Campaign and Political Finance.
New England Compounding Center is linked to the deadly national meningitis outbreak, that has killed 12 and infected more than 130 people across 10 states.
The and last weekend and Wednesday, set up a recall operations center.
"Senator Brown supports a full and thorough investigation to determine responsibility for this tragedy and to ensure nothing like it ever happens again," according to a written statement released by his campaign Wednesday.
For other stories on the meningitis outbreak, visit our topics page here.
When asked about the donations Wednesday the Brown campaign told WCVB initially said it had no plans to return the political contributions. But hours later the campaign sent word to all media outlets that "the campaign is donating contributions from the company owners to the Meningitis Foundation of America."