WHK is in the Energy sector. Sector is a broad classification that groups companies based on their business activities, industry focus or economic function.
WHK is in the Oil & Gas Midstream industry. Industry is a more specific classification within a sector, grouping companies that operate in a similar field and have closely related business models.
WHK is in the Oil & Gas industry group. Industry group is a further subdivision within an industry, grouping companies with even more closely related business models and operations. This helps investors analyze stocks at a more detailed level than sector and industry classifications alone.
