Applc Inc. is an American multinational company that develops personal computers (PCs), phones and tablets, wearable technology, and software.
HP Inc. is an American multinational information technology company that develops personal computers (PCs), printers, and related supplies, as well as 3D printing solutions.
Dell Technologies Inc. is an American multinational technology company that develops, sells, repairs, and supports computers and related products and services.
Lenovo Group Limited is a Chinese multinational technology company that designs, develops, manufactures, and sells personal computers, smartphones, tablets, and related accessories.