Shareholders of Pall Corp., Long Island's fifth largest public company by revenue, will gather at the company's Port Washington headquarters Tuesday for a special meeting to authorize the $13.8 billion acquisition of the company by Danaher Corp. Photo Credit: Barry Sloan Shareholders of Pall Corp., Long Island's fifth largest public company by revenue, will gather at the company's Port Washington headquarters Tuesday for a special meeting to authorize the $13.8 billion acquisition of the company by Danaher Corp. Shareholders of Pall Corp., Long Island's fifth largest public company by revenue, will gather at the company's Port Washington headquarters Tuesday for a special meeting to authorize the $13.8 billion acquisition of the company by Danaher Corp. The deal, previously cleared by the Federal Trade Commission, won approval Monday from the European Union.