This industry comprises legal entities (i.e., funds, plans, and/or programs) organized to provide medical, surgical, hospital, vacation, training, and other health- and welfare-related employee benefits exclusively for the sponsor's employees or members. Cross-References. Establishments primarily engaged in-- ? Managing portfolios of health and welfare funds--are classified in Industry 523920, Portfolio Management; and ? Third party claims administration of health and welfare plans--are classified in U.S. Industry 524292, Third Party Administration of Insurance and Pension Funds.