DXP Enterprises, Inc., together with its subsidiaries, engages in distributing maintenance, repair, and operating (MRO) products, equipment, and services to the energy and industrial customers primarily in the United States and Canada.

Lawson Products, Inc. sells and distributes specialty products to the industrial, commercial, institutional, and government maintenance, repair, and operations market. It sells its products to customers in the United States, Puerto Rico, Canada, Mexico, and the Caribbean.

Core & Main, Inc. distributes water, wastewater, storm drainage, and fire protection products and related services to municipalities, private water companies, and professional contractors in the municipal, non-residential, and residential end markets in the United States.

WESCO International, Inc. provides business-to-business distribution, logistics services, and supply chain solutions in the United States, Canada, and internationally. It operates through three segments: Electrical & Electronic Solutions (EES), Communications & Security Solutions (CSS), and Utility and Broadband Solutions (UBS).

Global Industrial Company, through its subsidiaries, operates as a value-added industrial distributor of industrial and maintenance, repair, and operation (MRO) products in North America.

Applied Industrial Technologies, Inc. distributes industrial motion, power, control, and automation technology solutions in North America, Australia, New Zealand, and Singapore.

Ferguson plc distributes plumbing and heating products in the United States and Canada. It offers plumbing and heating solutions to customers in the residential, commercial, civil/infrastructure, and industrial end markets.

MSC Industrial Direct Co., Inc., together with its subsidiaries, distributes metalworking and maintenance, repair, and operations (MRO) products and services in the United States, Canada, Mexico, and the United Kingdom.

W.W. Grainger, Inc. distributes maintenance, repair, and operating (MRO) products and services in the United States, Japan, Canada, the United Kingdom, and internationally.

SiteOne Landscape Supply, Inc. engages in the wholesale distribution of landscape supplies in the United States and Canada. The company provides a selection of approximately 135,000 stock keeping units, including irrigation supplies, which comprise controllers, valves, sprinkler heads, and irrigation pipes; fertilizer, grass seed, and ice melt products; control products, such as herbicides, fungicides, rodenticides, and other pesticides; landscape accessories that include mulches, soil amendments, drainage pipes, tools, and sods; nursery goods, which consist of deciduous and evergreen shrubs, ornamental, shade, evergreen trees, field grown and container-grown nursery stock, roses, perennials, annuals, bulbs, and plant species; hardscapes, such as pavers, natural stones, blocks, and other durable materials; and outdoor lighting products that include lighting fixtures, LED lamps, wires, transformers, and accessories.