Actually the real story is Hawthorn Gardening Co. purchased General Hydroponics. Hawthorn Gardening Co. is a subsidiary of Scott's Miracle-grow which has a licensing agreement with Monsanto for Roundup in the home and garden market. That means Scott's distributes the non-commercial version of Roundup. They are not the same company, nor does Monsanto own either.
All of this information is easily obtainable for anyone wanted to research it.