NETWORK MAIN LLC

Couriers and Express Delivery Services

Establishments in this category are primarly engaged in providing air, surface, or combined mode courier and express delivery services of parcels, but not operating under a universal service obligation. These parcels can include goods and documents, but the express delivery services are not part of the normal mail service. These services are generally between metropolitan areas, urban centers, or international, but the establishments of this industry form a network that includes local pick-up and delivery to serve their customers' needs.

Illustrative Examples:

Air courier services, except establishments operating under a universal service obligation
Express delivery services, except establishments operating under a universal service obligation
Courier services (i.e., intercity network), except establishments operating under a universal service obligation

Telecommunications Resellers

This includes establishments engaged in purchasing access and network capacity from owners and operators of telecommunications networks and reselling wired and wireless telecommunications services to businesses and households (except satellite telecommunications and agents for wireless telecommunications services). Establishments in this industry resell telecommunications; they do not operate transmission facilities and infrastructure.

Illustrative Examples:

Mobile virtual network operators (MVNOs) (except agents)
Pre-paid calling cards, telecommunications resellers
Wired telecommunications resellers
Wireless telecommunications resellers (except satellite telecommunications and agents)

Engineering Services

Establishments in this category are primarly engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by these establishments may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.

Illustrative Examples:

Civil engineering services
Environmental engineering services
Construction engineering services
Mechanical engineering services
Engineers' offices
Robotics automation engineering services

Surveying and Mapping (except Geophysical) Services

Establishments in this category are primarly engaged in performing surveying and mapping services of the surface of the earth, including the sea floor. These services may include surveying and mapping of areas above or below the surface of the earth, such as the creation of view easements or segregating rights in parcels of land by creating underground utility easements.

Illustrative Examples:

Cadastral surveying services
Mapping (except geophysical) services
Cartographic surveying services
Topographic surveying services
Geodetic surveying services