Description For its customers, Inverness Corporation is all ears. A Cookson Group subsidiary, it makes and markets the Inverness Ear Piercing System, a fully encapsulated sterile ear piercing kit. The company's piercing system is used in some 5,000 US retail outlets and is sold in about 45 countries. The system accompanies a pierced earring selection of about 200 styles. Customers have included Wal-Mart, Claire's, and Merle Norman, among others. Inverness also offers onsite training for staff. For those who like to go solo, there's a personal piercer and personal care products, such as antiseptics for ear care and body piercing care. The company boasts offices in Canada, Hong Kong, France, Japan, the UK, and the US.