541618 Other Management Consulting Services This U.S. industry comprises establishments primarily engaged in providing management consulting services (except administrative and general management consulting; human resources consulting; marketing consulting; or process, physical distribution, and logistics consulting). Establishments providing telecommunications or utilities management consulting services are included in this industry. The data published with NAICS code 541618 are comprised of these parts of the following SIC industries: 4731 (pt) Tariff Consultants 8748 (pt) Other Management Consulting Services