W.W. Grainger, Inc., together with its subsidiaries, distributes maintenance, repair, and operating products and services primarily in North America, Japan, the United Kingdom, and internationally. The company operates through two segments, High-Touch Solutions N.A. and Endless Assortment. The company provides safety, security, material handling and storage equipment, pumps and plumbing equipment, cleaning and maintenance, and metalworking and hand tools. It also offers technical support and inventory management services. The company serves smaller businesses to large corporations, government entities, and other institutions, as well as commercial, healthcare, and manufacturing industries through sales and service representatives, and electronic and ecommerce channels. W.W. Grainger, Inc. was founded in 1927 and is headquartered in Lake Forest, Illinois.

Snap-on Incorporated manufactures and markets tools, equipment, diagnostics, and repair information and systems solutions for professional users worldwide. It operates through Commercial & Industrial Group, Snap-on Tools Group, Repair Systems & Information Group, and Financial Services segments. The company provides hand tools, including wrenches, sockets, ratchet wrenches, pliers, screwdrivers, punches and chisels, saws and cutting tools, pruning tools, torque measuring instruments, and other related products; power tools, such as cordless, pneumatic, and hydraulic and corded tools; and tool storage products comprising tool chests, roll cabinets, and other products. It provides handheld and computer-based diagnostic products, service and repair information products, diagnostic software solutions, electronic parts catalogs, business management systems and services, point-of-sale systems, integrated systems for vehicle service shops, original equipment manufacturer purchasing facilitation services, and warranty management systems and analytics; and engineered solutions. In addition, the company offers solutions for the service of vehicles and industrial equipment that include wheel alignment equipment, wheel balancers, tire changers, vehicle lifts, test lane equipment, collision repair equipment, vehicle air conditioning service equipment, brake service equipment, fluid exchange equipment, transmission troubleshooting equipment, safety testing equipment, battery chargers, and hoists, as well as after-sales support services and training programs. Further, it provides financing programs to facilitate the sales of its products and support its franchise business. It serves the aviation and aerospace, agriculture, infrastructure construction, government and military, mining, natural resources, power generation, and technical education industries. Snap-on Incorporated was incorporated in 1920 and is headquartered in Kenosha, Wisconsin.

Stanley Black & Decker, Inc. provides hand tools, power tools, outdoor products, and related accessories in the United States, Canada, Other Americas, Europe, and Asia. Its Tools & Outdoor segment offers professional grade corded and cordless electric power tools and equipment, including drills, impact wrenches and drivers, grinders, saws, routers, and sanders; pneumatic tools and fasteners, such as nail guns, nails, staplers and staples, and concrete and masonry anchors; corded and cordless electric power tools; hand-held vacuums, paint tools, and cleaning appliances; leveling and layout tools, planes, hammers, demolition tools, clamps, vises, knives, saws, chisels, and industrial and automotive tools; drill, screwdriver, router bits, abrasives, saw blades, and threading products; tool boxes, sawhorses, medical cabinets, and engineered storage solutions; and electric and gas-powered lawn and garden products. This segment sells its products under the DEWALT, CRAFTSMAN, CUB ADET, BLACK+DECKER, and HUSTLER brands through retailers, third-party distributors, independent dealers, and a direct sales force. The company's Industrial segment provides threaded fasteners, blind rivets and tools, blind inserts and tools, drawn arc weld studs and systems, engineered plastic and mechanical fasteners, self-piercing riveting systems, precision nut running systems, micro fasteners, high-strength structural fasteners, axel swage, latches, heat shields, pins, couplings, fitting, and other engineered products; and attachments used on excavators and handheld tools. This segment sells its products through direct sales force and third-party distributors to the automotive, manufacturing, electronics, construction, aerospace, and other industries. The company was formerly known as The Stanley Works and changed its name to Stanley Black & Decker, Inc. in March 2010. Stanley Black & Decker, Inc. was founded in 1843 and is headquartered in New Britain, Connecticut.

Simpson Manufacturing Co., Inc., through its subsidiaries, designs, engineers, manufactures, and sells structural solutions for wood, concrete, and steel connections. The company offers wood construction products, including connectors, truss plates, fastening systems, fasteners and shearwalls, and pre-fabricated lateral systems for use in light-frame construction; and concrete construction products comprising adhesives, specialty chemicals, mechanical anchors, carbide drill bits, powder actuated tools, fiber-reinforced materials, and other repair products for use in concrete, masonry, and steel construction, as well as grouts, coatings, sealers, mortars, fiberglass and fiber-reinforced polymer systems, and asphalt products for use in concrete construction repair, and strengthening and protection products. It also provides connectors and lateral products for wood framing, timber and offsite construction, structural steel construction, and cold-formed steel applications; and mechanical and adhesive anchors for concrete and masonry construction applications. In addition, the company offers engineering and design services, as well as software solutions that facilitate the specification, selection, and use of its products. It markets its products to the residential construction, light industrial and commercial construction, infrastructure construction, remodeling, and do-it-yourself markets in the United States, Canada, France, the United Kingdom, Germany, Denmark, Switzerland, Portugal, Poland, the Netherlands, Belgium, Spain, Italy, Romania, Sweden, Norway, Australia, New Zealand, China, Taiwan, and Vietnam. The company was founded in 1956 and is headquartered in Pleasanton, California.

MSC Industrial Direct Co., Inc., together with its subsidiaries, engages in the distribution of metalworking and maintenance, repair, and operations (MRO) products and services in the United States, Canada, Mexico, the United Kingdom, and internationally. The company's MRO products include cutting tools, measuring instruments, tooling components, metalworking products, fasteners, flat stock products, raw materials, abrasives, machinery hand and power tools, safety and janitorial supplies, plumbing supplies, materials handling products, power transmission components, and electrical supplies. It offers stock-keeping units through its catalogs and brochures; e-commerce channels, including its website, mscdirect.com; inventory management solutions; and customer care centers, customer fulfillment centers, regional inventory centers, and warehouses. The company serves individual machine shops, manufacturing companies, and government agencies. MSC Industrial Direct Co., Inc. was founded in 1941 and is headquartered in Melville, New York.

GMS Inc. distributes wallboard, ceilings, steel framing and complementary construction products in the United States and Canada. The company offers ceilings products, including suspended mineral fibers, soft fibers, and metal ceiling systems primarily used in offices, hotels, hospitals, retail facilities, schools, and various other commercial and institutional buildings. It also provides steel framing products, such as steel tracks, studs, and various other steel products used to frame the interior walls of a commercial or institutional building, as well as ancillary products comprising tools, fasteners, insulation, EIFS and stucco, lumber and other wood products, ready-mix joint compound, and safety products. In addition, the company distributes a wallboard, ceilings, steel framing, and construction products, as well as commercial and residential building materials. It also operates through tool sales, rental, and service centers, as well as network of distribution centers. The company serves professional contractors and homebuilders. GMS Inc. was founded in 1971 and is headquartered in Tucker, Georgia.

Hillman Solutions Corp., together with its subsidiaries, provides hardware-related products and related merchandising services in the United States, Canada, Mexico, Latin America, and the Caribbean. The company offers hardware products, including anchor shackles and eye bolts, door hinges and chains, garage doors, safety hasps, gate hooks and latches, magnets, hooks and storage, corner braces and mending plates, and springs; and fasteners, such as anchors, ball bearings, bolts, kits, nails, nuts, pins, rivets, screws, spacers, threaded inserts, tools/brushes, washers, wire hardware, and other accessories. It also offers driveway markers/reflectors, numbers, letters, plaques, signs, stencils, survey and flagging tapes, and safety and caution products; threaded rods, aluminum tubes, and slotted and aluminum angles; wall hangings, including frame hardware, hooks, picture hanging, adhesives, mirrors, wires, and wall hanging accessories, as well as picture hanging and tool-free mounting products; face masks, gloves, and glasses; keys and engravings; and electrical, plumbing, and automotive products and accessories. The company offers its products under the Power Pro, Hillman, Deck Plus, Fas-n-Tite, Hardware Essentials, Durasteel, Steelworks, OOK, Distinctions, AWP, Quick Tag, Keykrafter, Digz, High & Mighty, True Grip, Firm Grip, Ozco, Borefast, Gorilla Grip, Soft Scrub, Ajustlock, Timber-Tite, and Axxess+ brand names. The company sells its products to hardware stores, home centers, mass merchants, pet supply stores, industrial distributors, automotive aftermarket distributors, and other retail outlets, as well as industrial original equipment manufacturers. Hillman Solutions Corp. was founded in 1964 and is headquartered in Forest Park, Ohio.

Global Industrial Company operates as an industrial distributor of various industrial and maintenance, repair, and operation (MRO) products in North America. It offers storage and shelving, safety and security, carts and trucks, HVAC and fans, furniture and decor, material handling, janitorial and facility maintenance, workbenches and shop desks, tools and instruments, plumbing and pumps, office and school supplies, packaging and shipping, lighting and electrical, foodservice and retail, medical and laboratory, motors and power transmission, building supplies, machining, fasteners and hardware, vehicle maintenance, and raw materials. The company offers industrial and MRO products under the Global, GlobalIndustrial.com, Nexel, Paramount, Interion, and Absocold trademarks. It serves businesses; state, local, and private educational organizations; and government entities through relationship marketers, e-commerce sites, signature campaigns, and catalogs. The company was formerly known as Systemax Inc. Global Industrial Company was founded in 1949 and is headquartered in Port Washington, New York.