Any agricultural industry would fit into the perfect competition group. For example Perdue Farms. They are a private industry, selling poultry, Grain, pork and turkey. It was founded in 1920 by Arthur and Pearle Perdue. Their annual revenue is over $6 billion. They currently have 19,000 employees
Advantages / Disadvantages of Perfect Competition
- They allocate resources in the most efficient way- both productively and allocatively efficient in the long run.
- all knowledge is spread out evenly or symmetrically
- Only normal profits made just cover their opportunity cost
- Maximum consumer surplus and economic welfare
- No Scope for economies of scale because of the high number of firms in the Important industries like clothes and cars
- Lack of profits may mean the investment of Research and Development is unlikely. Important for industries like pharmacies
- With perfect knowledge there is no incentive to develop new technology
Also there are many pros, the amount of barriers for "Perfect Competition" is too many. Its even in the name! PERFECT competition. Its highly unachievable.