Canon sells several high quality, high performance scanners including portable USB powered scanners desktop scanners and production level scanners. Canon is known for performance and image quality.
Fujitsu offers many quality scanners for personal, desktop, workgroup and high volume production use. Note that ccScan does not support ScanSnap scanners.
Kodak offers a wide range of high quality desktop, work group, department and production level scanners.
Panasonic offers a range of quality scanners for desktop to high volume production scanning.