David R. Jardini

St. Clair Hospital is a 329-bed independent, acute care facility that provides advanced, high quality healthcare to more than 300,000 residents of southwestern Pennsylvania with 525 physicians. The Hospital offers a comprehensive array of inpatient and outpatient services, including advanced cardiovascular services, specialized care for women, children and infants, diabetes treatment, oncology services, emergency care, general surgery services, behavioral health services, and pulmonary care. With the firm's main campus in Mt. Lebanon, the Hospital offers healthcare services at three outpatient centers, including a diagnostic center located in Bethel Park

American Gas Lamp Works LLC manufactures gas lamps. The private company is based in Springdale, PA.

Black Diamond Investments LP provides investment services.

C/G Electrodes LLC manufactures graphite electrodes. The company's products are used in the electric arc furnace steel-making process. C/G Electrodes was founded in May 2003, and is headquartered in Saint Marys, PA.

Robroy Industries, Inc. manufactures electrical insulation material. The company operates its business through two business lines robroy industries electrical and robroy industries oilfield. The firm offers Stahlin non-metallic enclosures, balancing appealing aesthetics with stringent physical property performance standards including NEMA 4X and NEMA 6P integrity. Robroy Industries was founded by Peter McIlroy and Patterson in 1905 and is headquartered in Verona, PA.