35 Holding company services performed for third parties, namely, providing business management, business administration, and business communications services, namely, public relations, advertising, marketing and publicity services in the fields of oil and gas drilling and pumping, oil and gas production, oil and gas exploration, oil and gas development, oil and gas geological prospecting, oil and gas testing, oil and gas surveying, oil and gas processing, oil and gas gathering, oil and gas distribution, and oil and gas transmission; holding company services performed for third parties, namely, business consultation, business operations consultation and management, business risk management, business administration, business strategic planning and analysis, business advice and information in the fields of project management, human resource management, and procurement services, namely, purchasing and procuring contracts for others for the purchase of goods and labor contracting services; holding company services performed for third parties in the nature of promoting the goods and services of others, namely, services related to infrastructure and marketplace expertise across a broad range of industry sectors; holding company services performed for third parties, namely, providing office functions and human resources services in the nature of recruiting and on-boarding new employees, new employee orientation, and employee records management in the industrial, healthcare, manufacturing, technology and energy industries; managing the exploration, production and operations of natural gas and oil properties for others; business management services for others related to oil and gas industries, namely, business management of reimbursement programs