Robert B. Nachwalter

Mayor's Jewelers, Inc. owns and operates retail jewelry stores. It offers Alpina, Gucci, JB Star, Mikimoto, Tudor, Rolex, Versace, Vianna, and Carlex. The company was founded in 1910 and is headquartered in Tamarac, FL.

Whitehall Jewellers, Inc. manufactures and sells jewelry. The company offers a selection in diamond, gold, and precious jewelry. The firm operates stores under the names of Whitehall Co. Jewellers, Lundstrom Jewelers, and Marks Bros. Jewelers. The company was founded in 1895 and is headquartered in Chicago, IL

APAC Customer Service, Inc. provides customer care services and solutions to the healthcare, communications, business services, media and publishing, travel and entertainment, technology and financial services industries. It delivers customized customer care services and solutions that involve communicating with customers and managing situations that are unique to each core industry. The company provides service through multiple communication channels, including telephone, Internet, online chat, email, fax, mail correspondence and automated response generated through technology. It operates customer care centers in the U.S, which include client-owned facilities and off-shore customer care centers in the Philippines and the Dominican Republic. The company founded in May 1973 by Theodore G. Schwartz and is headquartered in Bannockburn, IL.

WJ Holdings Liquidating Co. is a mall-based national retailer of fine jewelry operating stores. It offers a selection of merchandise in the following categories: diamonds, gold, precious and semi-precious jewelry and watches. The company was founded in 2005 and is headquartered in Chicago, IL.

Qualfon SA de CV provides business process outsourcing (BPO) services. Its service portfolio includes sales, customer care, technical support, and retention programs through voice, chat, e-mail, Interactive Voice Response, and social media. The company was founded by Alfonso Gonzalez in 1995 and is headquartered in Mexico City.