Robert E. Manigold

Providence Center, Inc. engages in the provision of disability support services. It offers vocational training; instruction in the arts; sheltered and supported employment; job development and placement services; adult day care; leisure; recreational programs; senior retirement support; and in-home and job support. The company was founded in 1961 and is headquartered in Glen Burnie, MD.

ARINC, Inc. provides aerospace engineering, communications and system integration services. Its communications include voice and data infrastructure support, information management, train control platforms, radio interoperability solutions, aircraft modifications and upgrades and electronic border security for governments agencies. The company was founded in 1929 and is headquartered in Annapolis, MD.