Companies that manufacture, market, and/or distribute basic and intermediate chemicals as well as chemical products (including petrochemicals, paints and coatings,as well as fertilizers, construction, water treatment, agricultural, industrial, and other chemicals).

Nurseries and children's day care centers, elementary and secondary schools, and other institutions that provide child care and educational services for children or young adults.

Companies that explore for crude petroleum, drill oil wells, and transport oil to processing plants (or other destinations), and companies that engage in the production of crude petroleum, as well as in the mining and extraction of oil from oil shale and sand.

Companies that operate stores that sell a wide range of food products (such milk, dairy products, bread, soda, snacks, canned and frozen foods, fresh fruits and vegetables, fresh and prepared meats, fish, and poultry, and other food products, as well as household and personal goods that are consumed regularly).

Holding companies that engage in a variety of manufacturing, trading, and/or service industries either directly or indirectly by acquiring other enterprises such that they form a group of companies run as a single organization and under common ownership.

Companies that manufacture and distribute basic organic chemicals including aromatics (pygas, benzene, toluene, xylene), olefins (C4 stream, propylene, ethylene).

Companies that operate industrial plants and other facilities for processing or refining crude oil into other petroleum products (such as gasoline, diesel fuel, asphalt base, heating oil, kerosene, and liquefied petroleum gas).

Companies that provide water transportation of oil and oil products.

Companies that explore for crude petroleum and natural gas, drill oil and gas wells, and transport oil and gas to processing plants or other destinations; companies that provide oil and gas drilling equipment, and oil and gas field support services; companies that engage in the production of crude petroleum, the mining and extraction of oil from oil shale and sand, the production of natural gas, and the recovery of sulfur and hydrocarbon liquids from natural gas; companies that engage in the marketing and distribution of oil and gas products; companies that engage in the refining and processing of petroleum and the manufacturing of petrochemical products; companies that develop and operate alternative energy sources; and companies that invest in the oil and gas sector.

Companies that engage in blending or compounding refined petroleum to make lubricating oils and greases and re-refining used petroleum lubricating oils.

Companies that provide water transportation services of passengers and cargo using ships, barges, boats, and other water craft through inland water and deep seas

Companies that explore for crude petroleum, drill oil wells, and transport oil to processing plants or other destinations; and companies that engage in the production of crude petroleum, the mining and extraction of oil from oil shale and sand, and the marketing and distribution of oil and oil products.

Companies that explore, drill, and produce oil. The companies' activities might also include marketing, distribution, transportation and storage of oil.

Institutions that offer instruction and vocational training in a variety of academic and non-academic subjects (including language, fine arts, sports and recreation, and other subjects). Instruction can range from skills for personal enrichment to training for career or educational opportunities.

Institutions of higher education, engaged in offering instruction and granting degrees, often part of a university. The requirements for admission are a high school diploma or equivalent academic training.

Companies that provide water transportation services of passengers and cargo using ships, barges, boats, and other water craft through inland water and deep seas. The industry includes companies that operate seaports, maritime travel and shipping, related support services.

Companies that arrange for the transportation of goods by air, sea, and land on behalf of exporters, importers, and other companies or individuals. The freight forwarders act as agents and buy space from transportation companies (including trucking, shipping, rail, and/or air carriers), combine freight for many shippers, and offer related services on behalf of shippers (such as customs clearance and documents).

Companies that manage seaports on a contractual basis.

Companies that manufacture, market, and/or distribute agriculture and farm chemicals such as nitrogenous and phosphates fertilizers, pesticides, seed, or other chemical products used in agriculture.

Companies that engage in the wholesale distribution of petroleum and petroleum products (except those with bulk liquid storage facilities), including packaged and bottled petroleum products distributors, truck jobbers, and others marketing petroleum products wholesale.

Companies that manufacture, market, and distribute basic materials, industrial products, chemicals, as well as machinery and equipment.

Companies that engage in the production of crude petroleum, as well as in the mining and extraction of oil from oil shale and sand.

Companies that manage and control the transportation of products for other organizations from the point of origin to the final destination. The sector includes supply chain management, warehousing and storage, freight forwarding, and other related service providers.

Companies that manufacture and/or distribute basic inorganic and organic chemicals including oxygen, acetylene, carbon dioxide, carbon monoxide, chlorine, hydrogen, hydrogen chloride, nitrous oxide, sulfur dioxide, argon, nitrogen, and other chemicals.

Institutions that offer instruction and vocational training in a variety of academic and non-academic subjects other than fine arts, sports, and language. Instruction can range from skills for personal enrichment to training for career or educational opportunities. Those include religious instruction, first aid instruction, life guard training, self defense instruction, bridge instruction, driver training schools, and other instruction or training.

Schools that starts with the Nursery level and finishes with Grade 12.

Companies that manufacture basic inorganic and organic chemicals including aromatics (pygas, benzene, toluene, xylene) and olefins (C4 stream, propylene, ethylene).

Academic institutions that offer higher education degrees.

Companies that engage in performing support activities for oil and gas operations (onshore and offshore) on a contract or fee basis (including well surveying, cementing, shooting, chemical treatment, cleaning out, bailing, and swabbing, perforating well casings, and other oil and gas field services).

Companies that engage in the marketing and distribution of crude oil and refined petroleum products such as gasoline, diesel fuel, asphalt base, heating oil, kerosene, and liquefied petroleum gas.

Companies that explore for natural gas, drill gas wells, and transport gas to processing plants or other destinations; companies that engage in the production of natural gas and the recovery of sulfur and hydrocarbon liquids from natural gas; and companies that market and distribute natural gas and related products.

Holding companies that engage in a variety of industries either directly or indirectly by acquiring other enterprises such that they form a group of companies run as a single organization and under common ownership. Conglomerates include organizations with diversified manufacturing, diversified services, diversified trading, and multi-line business activities.

Learning institutions including childcare, elementary and secondary schools, colleges and universities, vocational schools or institutions, and institutions that provide educational support services.

Companies that provide transportation services of passengers and cargo through air, water, ground, and rail; companies that provide postal and messenger services; and companies that provide support services to the industry.

Companies that provide transportation services (including air, ground, and maritime transportation in addition to logistics services) and design, manufacture, assemble, and distribute transportation products (including aircrafts, automobiles, boats, and rail products).

Companies that own and operate stores that retail general merchandise such that they are capable of retailing a large variety of goods from a single location or from individual point-of-sale locations (including supermarkets and hypermarkets, warehouse clubs and superstores, department stores, duty free stores, grocery and convenience stores, as well as other general retailers).

Companies that produce natural gas, their activities comprise the recovery of sulfur and hydrocarbon liquids from natural gas.

Institutions that offer vocational education, which include technical schools and training centers. The training can range from skills for personal improvement to job-specific certification.

Companies that engage in buying goods from manufacturers, producers, or importers, either directly or through wholesalers, and organizing the resale of merchandise to the general public in small quantities. Retailers mainly sell merchandise intended for personal or household consumption, but some sell products for business and institutional clients, retailers may provide after-sales services, such as repair and installation, or process activities supplementary to retailing.

Companies that support seaport operations by offering services that include the design and construction of offshore projects and pipelines, operation and maintenance services, engineering services, refrigerated and other storage facilities, ship loading and unloading, cargo handling, operation of lifting machinery, terminal and equipment maintenance, navigational services, sailing clubs, and other service providers.

Companies manufacture basic inorganic and organic chemicals including oxygen, acetylene, carbon dioxide, carbon monoxide, chlorine, hydrogen, hydrogen chloride, nitrous oxide, sulfur dioxide, argon, nitrogen, and other chemicals.

Companies that operate gasoline stations (including specialized equipment) for retailing, dispensing and storage of automotive fuels (such as diesel fuel, gasohol, and gasoline).

Companies that explore for natural gas, drill gas wells, and recover sulfur and hydrocarbon liquids from natural gas. The companies' activities might also include marketing, distribution, transportation and storage of natural gas.

Companies that engage in drilling oil wells, possibly for others on a contract or fee basis (including contractors that specialize in drilling in, re-drilling, and directional drilling).