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

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 specialized in matching up employers with appropriately skilled employees.

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 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 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).

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).

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

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

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 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.