WESCO International, Inc., through its subsidiaries, distributes electrical supplies and equipment. Its products include electrical supplies, such as wiring devices, fuses, terminals, connectors, boxes, enclosures, fittings, lugs, terminations, tape, and splicing and marking equipment; industrial supplies, including tools and testers, safety and security, fall protection, personal protection, consumables, fasteners, janitorial, and other MRO supplies; and power distribution supplies consisting o ...

Constellation Energy is a subsidiary of Baltimore Gas and Electric Company and is one of the most important electricity and natural gas suppliers in U.S. The company produces, trades and distributes energy in 11 states of which the most important are Maryland, Pennsylvania, New York, West Virginia and California. Being one of the suppliers for the biggest economy in the world meant that the company achieved an extremely surprising yet deserved place in the Fortune 500 list.

Tech Data Corporation distributes information technology products, as well as offers logistics management and other value-added services worldwide. It sells microcomputer hardware and software products, including peripherals, systems, networking equipment, and software products to value added resellers, direct marketers, retailers, and corporate resellers. In addition, the company provides a range of services, including training and technical support, external financing options, configuration se ...

ScanSource is a value-added distributor of point-of-sale (POS) and automatic identification and data capture (AIDC) systems and solutions. Founded in 1992, ScanSource is committed to delivering value-added services to resellers in North America, Latin America and Europe, including technical support, system integration, training and education, marketing and creative financing opportunities. ScanSource is a sales unit of international specialty technology distributor, ScanSource, Inc.

International Paper is a global forest products, paper and packaging company with primary markets and manufacturing operations in the United States, Europe, Latin America and Asia, complemented by xpedx, an extensive North American merchant distribution system. The company has approximately 60,000 employees, 42,000 of whom are located in the United States.