Companies specialized in matching up employers with appropriately skilled employees.

Companies that manufacture, market, and distribute medical and other health-related products; and companies that offer medical and other health care services.

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/or distribute basic materials and industrial products (including fabricated metals, glass products, packing and containers, paper and paper products, plastic and rubber products, textile, wires and cables).

Companies that provide automotive inspection, repair, part replacement, maintenance, and other services for passenger cars, motorcycles, small engine vehicles, buses, trucks, rails, and other motor vehicles. The services are performed on automobile bodies, paint, interior, glass, mechanical, and electrical components.

Companies that provide health care services (including clinics, hospitals, medical and diagnostic laboratories, nursing and residential care facilities, home health care, specialized health care services, weight and health management, health care plans, veterinary care services, and other health care services).

Companies that manufacture and/ or distribute finished metal products such as metallic, aluminum or steel windows, doors, door frames, cabinets, scaffolding, structures, curtain walls, glazing systems, angles, bars, handrails, storage tanks and other related products.

Companies that specialize in performing business, consumer, environmental, and other activities for companies, households, or individuals in exchange for fees; and associations that promote the interests of their members including business and non-business associations or groups.

Companies that own, operate, and manage medical clinics, offices, and other practices (including general and specialized medicine and surgery). Such facilities may be a part of hospitals or medical centers.

Companies that own and operate stores, that retail specialized merchandise, such that they retail a specific line of goods, from a single location or from individual point-of-sale locations; such stores provide display equipment and staff who are knowledgeable on the retailed line of products.

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

Companies that provide construction services including architectural and engineering services contractors, civil engineering contractors, integrated contractors, manufactured buildings suppliers, reclamation and dredging contractors, specialty contracting traders, and providers of other construction services.

Companies that provides recycling services; including consumer and industrial waste.

Companies that design, manufacture, assemble, and distribute automobiles (including passenger cars, small engine vehicles, buses, trucks, motorcycles, recreational vehicles, armored vehicles, military vehicles, and vehicle parts) in addition to companies that provide repair, maintenance, and other support services.

Companies that provide construction services including general and specialty construction contracting, development, design, engineering, and other services in addition to companies that invest in the construction sector

Companies that design, manufacture, assemble, and trade in equipment for transporting people and goods (including road automotive equipment, trains, ships, boats, aircrafts, recreational vehicles, and equipment parts). The industry also includes companies that provide repair, maintenance, and other services related to transportation equipment.

Companies specialized in performing a wide range of human resource and personnel management duties for businesses (including man-power supply, payroll accounting, payroll tax return preparation, benefits administration, recruiting, and other services).

Companies that provide various business services to their clients (including advertising, auctions, business consulting, commercial cleaning, legal, public relations, repair and maintenance, security, translation and interpretation, staffing, survey and statistics, technical and scientific research, fairs and exhibitions, parking facility management).

Companies that provide specific services related to construction but are not responsible for full projects. The services include renovation, rehabilitation, exterior works, plumbing, building finishing (painting, flooring, insulation), and other specialty works (glass work, steel fitting, and others).

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.

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 provide collection and treatment of both hazardous and solid waste, as well as remediation and waste management.

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 manufacture finished metal products such as metallic, aluminum or steel windows, doors, door frames, cabinets, scaffolding, structures, curtain walls, glazing systems, angles, bars, handrails, storage tanks and other related products.

Companies that operate pharmacies and drug stores that retail prescription and nonprescription drugs and medicines.

Companies that provide hazardous waste collection, treatment, transfer, and disposal services, and companies that operate hazardous waste transfer stations. The companies' activities include packaging and labeling waste for transport, operating treatment and disposal facilities for hazardous waste, and other related services.

Companies that provide cleanup of contaminated buildings, mine sites, soil remediation, contouring land, other toxic material abatement, environmental engineering, testing and analysis, as well as companies that operate facilities for separating and sorting recyclable materials from non-hazardous garbage, and other waste management service providers.