35 Commercial consultancy, namely, business management in the field of aircraft engines and maintenance of aircraft engines; Business consultation services in the field of procurement, namely, purchasing aircraft, aviation, and transportation equipment in the nature of airframes and engines for others monitoring airline lessee compliance and performance within lease terms for business purposes; Business consultation services in the field of procurement of aircraft, aviation and transportation equipment, namely, airframes and engines; Business management services in the field of aircraft engines and maintenance of aircraft engines; Business negotiation of aircraft engine sharing agreements for others; Business negotiation of commercial transactions between and among owners, manufacturers and lessees of aircraft, aircraft engines, and other aircraft equipment; Industrial business asset management services, namely, procuring and remarketing of aircraft and aircraft equipment for others; Fleet business planning services for airlines; Fleet business management services for airlines; Aircraft, aviation, and transportation equipment business management, planning, and supervision consulting services; Business investigations, evaluations, appraisals, information and research in the field of aircraft engines and maintenance of aircraft engines; Business advisory services for the maintenance, repair and overhaul (MRO) of aircraft engines, parts and spares; Inventory management in the field of aircraft engines, parts and spares for commercial aircraft; Tracking, locating, and monitoring of aircraft, aircraft engines, and other aircraft equipment for commercial purposes; Business marketing consulting services in the field of aircraft engines and maintenance of aircraft engines; Marketing of aircraft, aircraft engines, and other aircraft equipment to airlines; Parts exchange services, namely, providing a program that allows customers to exchange engines and engine modules for other available engines and engine modules; Business asset transition management services, namely, migrating aircraft and aircraft equipment for others; Market appraisals being business appraisals for aircraft and aircraft equipment; Providing an on-line searchable database featuring listings for aircraft engines and other aircraft equipment available for sale or trade, for buyers, sellers, lessees and operators of aircraft engines and other aircraft equipment; Business records management services for airlines, owners, manufacturers and lessees of aircraft, aircraft engines, and other aircraft equipment