ESSENTIAL SOLUTIONS LLC

Other Basic Inorganic Chemical Manufacturing

Establishments in this category are primarly engaged in manufacturing basic inorganic chemicals (except industrial gases and synthetic dyes and pigments).

Illustrative Examples:

Alkalies manufacturing
Aluminum compounds, not specified elsewhere by process, manufacturing
Carbides (e.g., baron, calcium, silicon, tungsten) manufacturing
Carbon black manufacturing
Chlorine manufacturing
Hydrochloric acid manufacturing
Potassium inorganic compounds, not specified elsewhere by process, manufacturing
Radioactive isotopes manufacturing
Sulfides and sulfites manufacturing
Sulfuric acid manufacturing

Electronic Computer Manufacturing

This includes establishments primarily engaged in manufacturing and/or assembling electronic computers, such as mainframes, personal computers, workstations, laptops, and computer servers. Computers can be analog, digital, or hybrid. Digital computers, the most common type, are devices that do all of the following: (1) store the processing program or programs and the data immediately necessary for the execution of the program; (2) can be freely programmed in accordance with the requirements of the user; (3) perform arithmetical computations specified by the user; and (4) execute, without human intervention, a processing program that requires the computer to modify its execution by logical decision during the processing run. Analog computers are capable of simulating mathematical models and contain at least analog, control, and programming elements. The manufacture of computers includes the assembly or integration of processors, coprocessors, memory, storage, and input/output devices into a user-programmable final product.

Computer Storage Device Manufacturing

This includes establishments primarily engaged in manufacturing computer storage devices that allow the storage and retrieval of data from a phase change, magnetic, optical, or magnetic/optical media. Examples of products made by these establishments are computer disk drives, USB flash drives, and tape storage and backup units.

Computer Terminal and Other Computer Peripheral Equipment Manufacturing

This includes establishments primarily engaged in manufacturing computer terminals and other computer peripheral equipment (except storage devices).

Illustrative Examples:

Automated teller machines (ATM) manufacturing
Computer terminals manufacturing
Joystick devices manufacturing
Keyboards, computer peripheral equipment, manufacturing
Monitors, computer peripheral equipment, manufacturing
Mouse devices, computer peripheral equipment, manufacturing
Optical readers and scanners manufacturing
Plotters, computer, manufacturing
Point-of-sale terminals manufacturing
Printers, computer, manufacturing

Wired Telecommunications Carriers

This includes establishments primarily engaged in operating, maintaining, and/or providing access to transmission facilities and infrastructure that they own and/or lease for the transmission of voice, data, text, sound, and video using wired telecommunications networks. Transmission facilities may be based on a single technology or a combination of technologies. Establishments in this industry use the wired telecommunications network facilities that they operate to provide a variety of services, such as wired telephony services, including VoIP services; wired (cable) audio and video programming distribution; and wired broadband Internet services. By exception, establishments providing satellite television distribution services using facilities and infrastructure that they operate are included in this industry.

Illustrative Examples:

Broadband Internet service providers, wired (e.g., cable, DSL)
Cable television distribution services
Closed-circuit television (CCTV) services
Direct-to-home satellite system (DTH) services
Local telephone carriers, wired
Long-distance telephone carriers, wired
Multichannel multipoint distribution services (MMDS)
Satellite television distribution systems
Telecommunications carriers, wired
VoIP service providers, using own operated wired telecommunications infrastructure

Wireless Telecommunications Carriers (except Satellite)

This includes establishments primarily engaged in operating and maintaining switching and transmission facilities to provide communications via the airwaves. Establishments in this industry have spectrum licenses and provide services using that spectrum, such as cellular phone services, paging services, wireless Internet access, and wireless video services.

Illustrative Examples:

Cellular telephone service carriers
Wireless Internet service providers, except satellite
Paging services, except satellite
Wireless telephone communications carriers, except satellite

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)

Agents for Wireless Telecommunications Services

This includes establishments primarily engaged in acting as agents for wireless telecommunications carriers and resellers, selling wireless plans on a commission basis.

Illustrative Examples:

Agents for mobile virtual network operators (MVNOs)
Agents for wireless telecommunications carriers
Cellular telephone stores, selling cellular phone service plans on an agent basis
Mobile phone stores, selling mobile phone service plans on an agent basis
Wireless phone service plan sales agents, selling on behalf of wireless telecommunications carriers

All Other Telecommunications

Establishments in this category are primarly engaged in providing specialized telecommunications services, such as satellite tracking, communications telemetry, and radar station operation. This industry also includes establishments primarily engaged in providing satellite terminal stations and associated facilities connected with one or more terrestrial systems and capable of transmitting telecommunications to, and receiving telecommunications from, satellite systems. Establishments providing Internet services or Voice over Internet protocol (VoIP) services via client-supplied telecommunications connections are also included in this industry. Establishments in this industry do not operate as telecommunications carriers.

Illustrative Examples:

Dial-up Internet service providers
Internet service providers, using client-supplied telecommunications connections (e.g., dial-up ISPs)
Satellite tracking stations
VoIP service providers, using client-supplied telecommunications connections

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

Establishments in this category are primarly engaged in providing computing infrastructure, data processing services, Web hosting services (except software publishing), and related services, including streaming support services (except streaming distribution services). Data processing establishments provide complete processing and specialized reports from data supplied by clients or provide automated data processing and data entry services.

Illustrative Examples:

Application hosting
Cloud storage services
Computer data storage services
Computing platform infrastructure provision
Infrastructure as a service (IaaS)
Optical scanning services
Platform as a service (PaaS)
Video and audio technical streaming support services
Web hosting

Web Search Portals and All Other Information Services

Establishments in this category are primarly engaged in operating Web sites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format (and known as Web search portals) or providing other information services not elsewhere classified. Establishments known as Web search portals often provide additional Internet services, such as email, connections to other Web sites, auctions, news, and other limited content.

Illustrative Examples:

News clipping services
Telephone-based recorded information services
Stock photo agencies
Web search portals

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

Custom Computer Programming Services

This includes establishments primarily engaged in writing, modifying, testing, and supporting software to meet the needs of a particular customer.

Computer Systems Design Services

This includes establishments primarily engaged in planning and designing computer systems that integrate computer hardware, software, and communication technologies. The hardware and software components of the system may be provided by this establishment or company as part of integrated services or may be provided by third parties or vendors. These establishments often install the system and train and support users of the system.

Illustrative Examples:

Computer systems integration design consulting services
Local area network (LAN) computer systems integration design services
Information management computer systems integration design services
Office automation computer systems integration design services

Computer Facilities Management Services

This includes establishments primarily engaged in providing on-site management and operation of clients' computer systems and/or data processing facilities. Establishments providing computer systems or data processing facilities support services are included in this industry.