Different people might have different opinions about which company makes the best external drives. However, based on numerous customer reviews and ratings, some of the top companies include:

1. Western Digital (WD): Known for their reliability and versatility, with high-capacity options available.
2. Seagate: Offers a wide range of products and known for good performance.
3. Samsung: Especially recognized for their SSDs which are fast and durable.
4. Toshiba: Widely respected for their high-quality drives.
5. LaCie: Often recognized for their rugged external drives, suitable for professionals.

Remember to choose an external drive that satisfies your specific needs in terms of storage capacity, transfer speed, portability, durability, and price. Some people might also place importance on whether the drive has any pre-installed software, how much noise it makes when operating, and what kind of warranty the manufacturer offers.

Western Digital Corporation, or WD, is one of the largest computer hard disk drive manufacturers in the world. It provides cost-effective storage solutions for people and organizations that collect, manage, and use digital information. Here are the kinds of storage that Western Digital provides:

1. Internal Storage Drives: WD offers a wide selection of internal hard disk drives and solid-state drives (SSDs) for laptop and desktop computers. They're designed for gaming, high-performance tasks, or everyday use.

2. External Hard Drives: WD's external drives are known for their reliability and large storage capacities. They're perfect for backing up your data or extending your device's storage. They come in different form factors, including portable and desktop versions.

3. Network Attached Storage (NAS): This storage type allows multiple users in a network to access, share, and backup files from a central location. Western Digital's NAS solutions are suitable for home users, creative professionals, and small businesses.

4. Surveillance Storage: WD also designs drives specifically for surveillance systems. These drives are built to last in high-temperature, always-on, surveillance system environments.

5. Gaming Storage: Western Digital creates game drives to increase the storage capacity of gaming consoles like Xbox and PlayStation, as well as high-performance SSDs for PC gamers.

6. Data Center Storage: Western Digital provides enterprise-level HDDs and SSDs designed to meet high endurance and performance requirements of large size data centers.

In addition to these, the company also offers microSD cards, SD cards, and USB flash drives for adding more storage to cameras, mobile devices, and other devices.