No correct answers yet. It's not any kind of organization, yet it is a group. "Hopefully never finished" means that ideally it would never end, never stop growing. The last few answers are on the right track, in that it's like Soylent Green. There is a key word in the second line. I am one from many, with many from one. Many related parts that make a whole, yet hopefully never finished. Some of us work in harmony, others suffer from friction. What am I?