Jacqueline F. Walker

Hanson Technologies, Inc. provides biosensing solutions for food pathogen screening. Its technology solutions have multiple applications including food safety testing, blood diagnostics, and agricultural testing. The company was founded on January 9, 2003 and is headquartered in Carlisle, PA

RETTEW Associates, Inc. provides engineering services. Its services encompass transportation infrastructure, community development, construction services, geosciences, environmental permitting, safety consulting, site planning and design, and structural engineering. The company was founded in 1969 and is headquartered in Lancaster, PA.

DENTSPLY International, Inc. engages in the manufacturing and distributing of dental and other healthcare products. It designs, develops, manufactures and markets a full range of professional dental products, including dental implants, endodontic instruments and materials, orthodontic appliances, restorative materials, preventive materials and devices and prosthetic materials and devices. The company operates through the following segments: Dental Consumable and Certain International Businesses; Dental Specialty and Laboratory and Certain Global Distribution Businesses; Healthcare and Emerging Markets Businesses. The Dental Consumable and Certain International Business segment designs and manufactures company's chairside consumable products. The Certain Global Distribution Business segment designs, manufactures, sells and distributes dental specialty products, including endodontic, orthodontic and implant products, in most regions of the world. The Healthcare and Emerging Markets Businesse segment designs, manufactures, sales and distributes healthcare products, primarily urological and surgery-related products, throughout most of the world. DENTSPLY International was founded by Jacob F. Frantz, Dean C. Osborne, George H. Whiteley and John R. Sheppard on June 23, 1899 and is headquartered in York, PA.

OSspray Ltd. provides bioactive powders for teeth cutting, cleaning and whitening. It engages in the innovation of biomaterials for minimally invasive dentistry of therapeutic air polishing solutions that restore and maintain tooth structure and overall oral health. The company was founded in 2004 by Paul Robinson, Larry Hench and Ian Dennis Thompson and is headquartered in London, GB.