Wholesale Trade

Wholesale trade (NAICS 42) moves goods from manufacturers to retailers, contractors, and institutional buyers through merchant wholesalers, agents, and brokers. The sector is anchored by distributors like McKesson, which dominates pharmaceutical wholesale from its Irving, Texas headquarters, and Sysco, the Houston-based foodservice distributor operating over 330 distribution facilities across North America. Grainger and Fastenal control industrial supply distribution, while Arrow Electronics and Avnet serve the electronics components market.

The sector splits into durable goods wholesalers (machinery, metals, electronics) and nondurable goods wholesalers (groceries, pharmaceuticals, paper products). Merchant wholesalers who take title to inventory account for the majority of establishments, while agents and brokers facilitate transactions on commission without holding stock. Geographic concentration follows manufacturing and port infrastructure: the I-95 corridor from New Jersey to Georgia, the Inland Empire east of Los Angeles, and the Dallas-Fort Worth logistics hub each host dense clusters of wholesale operations.

Regulatory oversight varies by product category. The Drug Supply Chain Security Act (DSCSA), enforced by the FDA, requires pharmaceutical wholesalers to maintain end-to-end traceability by 2025. USDA and FDA jointly regulate food wholesale under the Food Safety Modernization Act (FSMA), mandating hazard analysis and preventive controls across the distribution chain. These compliance requirements create structural barriers that favor scaled operators over smaller independents.