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Manufacturers of civil or military aerospace and defense equipment, parts, or products. Includes defense electronics and space equipment.

Manufacturers of building components and home improvement products and equipment. Excludes lumber and plywood classified under Forest Products and cement and other materials classified in the Construction Materials Sub-Industry.

Companies engaged in primarily non-residential construction. Includes civil engineering companies and large-scale contractors. Excludes companies classified in the Homebuilding Sub-Industry.

Companies that produce electric cables and wires, electrical components, or equipment not classified in the Heavy Electrical Equipment Sub-Industry.

Manufacturers of power-generating equipment and other heavy electrical equipment, including power turbines, heavy electrical machinery intended for fixed-use, and large electrical systems. Excludes cables and wires, classified in the Electrical Components & Equipment Sub-Industry.

Diversified industrial companies with business activities in three or more sectors, none of which contributes a majority of revenues. Stakes held are predominantly of a controlling nature and stakeholders maintain an operational interest in the running of the subsidiaries.

Manufacturers of heavy-duty trucks, rolling machinery, earth-moving and construction equipment, and manufacturers of related parts. Includes non-military shipbuilding.

Companies manufacturing agricultural machinery, farm machinery, and their related parts. Includes machinery used for the production of crops and agricultural livestock, agricultural tractors, planting and fertilizing machinery, fertilizer and chemical application equipment, and grain dryers and blowers.

Manufacturers of industrial machinery and industrial components. Includes companies that manufacture presses, machine tools, compressors, pollution control equipment, elevators, escalators, insulators, pumps, roller bearings, and other metal fabrications.

Trading companies and other distributors of industrial equipment and products.

Companies providing commercial printing services. Includes printers primarily serving the media industry.

Companies providing environmental and facilities maintenance services. Includes waste management, facilities management, and pollution control services. Excludes large-scale water treatment systems classified in the Water Utilities Sub-Industry.

Providers of office services and manufacturers of office supplies and equipment not classified elsewhere.

Companies primarily providing labor-oriented support services to businesses and governments. Includes commercial cleaning services, dining & catering services, equipment repair services, industrial maintenance services, industrial auctioneers, storage & warehousing, transaction services, uniform rental services, and other business support services.

Companies providing security and protection services to businesses and governments. Includes companies providing services such as correctional facilities, security & alarm services, armored transportation & guarding. Excludes companies providing security software classified under the Systems Software Sub-Industry and home security services classified under the Specialized Consumer Services Sub-Industry. Also excludes companies manufacturing security system equipment classified under the Electronic Equipment & Instruments Sub-Industry.

Companies providing business support services relating to human capital management. Includes employment agencies, employee training, payroll & benefit support services, retirement support services, and temporary agencies.

Companies primarily providing research and consulting services to businesses and governments not classified elsewhere. Includes companies involved in management consulting services, architectural design, business information or scientific research, marketing, and testing & certification services. Excludes companies providing information technology consulting services classified in the IT Consulting & Other Services Sub-Industry.

Companies providing air freight transportation, courier, and logistics services, including package and mail delivery and customs agents. Excludes those companies classified in the Airlines, Marine, or Trucking Sub-Industries.

Companies providing primarily passenger air transportation.

Companies providing goods or passenger maritime transportation. Excludes cruise-ships classified in the Hotels, Resorts & Cruise Lines Sub-Industry.

Companies providing primarily goods and passenger rail transportation.

Companies providing primarily goods and passenger land transportation. Includes vehicle rental and taxi companies.

Operators of airports and companies providing related services.

Owners and operators of roads, tunnels, and railtracks.

Owners and operators of marine ports and related services.

Providers of information technology and systems integration services not classified in the Data Processing & Outsourced Services or Internet Software & Services Sub-Industries. Includes information technology consulting and information management services.

Providers of commercial electronic data processing and/or business process outsourcing services. Includes companies that provide services for back-office automation.

Companies providing services and infrastructure for the internet industry including data centers and cloud networking and storage infrastructure. Also includes companies providing web hosting services. Excludes companies classified in the Software Industry.

Companies engaged in developing and producing software designed for specialized applications for the business or consumer market. Includes enterprise and technical software, as well as cloud-based software. Excludes companies classified in the Interactive Home Entertainment Sub-Industry. Also excludes companies producing systems or database management software classified in the Systems Software Sub-Industry.

Companies engaged in developing and producing systems and database management software.

Manufacturers of communication equipment and products, including LANs, WANs, routers, telephones, switchboards, and exchanges. Excludes cellular phone manufacturers classified in the Technology Hardware, Storage & Peripherals Sub-Industry.

Manufacturers of cellular phones, personal computers, servers, electronic computer components, and peripherals. Includes data storage components, motherboards, audio and video cards, monitors, keyboards, printers, and other peripherals. Excludes semiconductors classified in the Semiconductors Sub-Industry.

Manufacturers of electronic equipment and instruments including analytical, electronic test, and measurement instruments, scanner/barcode products, lasers, display screens, point-of-sales machines, and security system equipment.

Manufacturers of electronic components. Includes electronic components, connection devices, electron tubes, electronic capacitors and resistors, electronic coil, printed circuit board, transformer and other inductors, signal processing technology/components.

Producers of electronic equipment mainly for the OEM (Original Equipment Manufacturers) markets.

Distributors of technology hardware and equipment. Includes distributors of communications equipment, computers & peripherals, semiconductors, and electronic equipment and components.

Manufacturers of semiconductor equipment, including manufacturers of the raw material and equipment used in the solar power industry.

Manufacturers of semiconductors and related products, including manufacturers of solar modules and cells.