The melaleuca tree is a pest, at least in Florida. I don't know about the company. Here's a clip from another site:
In Florida, however, melaleuca is a pest, especially in the Everglades and surrounding areas, where the trees grow into immense forests, virtually eliminating all other vegetation. Melaleuca grows in terrestrial as well as in completely aquatic situations. The Everglades, the mostly treeless "river of grass", in some places has become the "river of trees", a completely alien habitat to the plants and animals that have evolved to live in the glades. During the 50 years since its introduction into the state, melaleuca has taken over hundreds of thousands of acres of Everglades, threatening the very existence of this internationally known eco-treasure.