MASTAK INC.

Plumbing, Heating, and Air-Conditioning Contractors

Establishments in this category are primarly engaged in installing and servicing plumbing, heating, and air-conditioning equipment. Contractors in this industry may provide both parts and labor when performing work. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Cooling tower installation
Heating, ventilation, and air-conditioning (HVAC) contractors
Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation
Lawn sprinkler system installation
Fire sprinkler system installation
Mechanical contractors
Fireplace, natural gas, installation
Refrigeration system (e.g., commercial, industrial, scientific) installation
Furnace installation
Sewer hookup and connection, building

General Freight Trucking, Local

Establishments in this category are primarly engaged in providing local general freight trucking. General freight trucking establishments handle a wide variety of commodities, generally palletized and transported in a container or van trailer. Local general freight trucking establishments usually provide trucking within a metropolitan area which may cross state lines. Generally the trips are same-day return.

General Freight Trucking, Long-Distance, Truckload

This includes establishments primarily engaged in providing long-distance general freight truckload (TL) trucking. These long-distance general freight truckload carrier establishments provide full truck movement of freight from origin to destination. The shipment of freight on a truck is characterized as a full single load not combined with other shipments.

General Freight Trucking, Long-Distance, Less Than Truckload

This includes establishments primarily engaged in providing long-distance, general freight, less than truckload (LTL) trucking. LTL carriage is characterized as multiple shipments combined onto a single truck for multiple deliveries within a network. These establishments are generally characterized by the following network activities: local pick-up, local sorting and terminal operations, line-haul, destination sorting and terminal operations, and local delivery.

Specialized Freight (except Used Goods) Trucking, Local

Establishments in this category are primarly engaged in providing local, specialized trucking. Local trucking establishments provide trucking within a metropolitan area that may cross state lines. Generally the trips are same-day return.

Illustrative Examples:

Local agricultural products trucking
Local dump trucking (e.g., gravel, sand, top-soil)
Local boat hauling
Local livestock trucking
Local bulk liquids trucking

Specialized Freight (except Used Goods) Trucking, Long-Distance

Establishments in this category are primarly engaged in providing long-distance specialized trucking. These establishments provide trucking between metropolitan areas that may cross North American country borders.

Illustrative Examples:

Long-distance automobile carrier trucking
Long-distance refrigerated product trucking
Long-distance bulk liquid trucking
Long-distance trucking of waste
Long-distance hazardous material trucking

Freight Transportation Arrangement

Establishments in this category are primarly engaged in arranging transportation of freight between shippers and carriers. These establishments are usually known as freight forwarders, marine shipping agents, or customs brokers and offer a combination of services spanning transportation modes but do not directly provide shipping services.

Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers

This category includes establishments primarily providing media streaming distribution services, operating social network sites, operating media broadcasting and cable television networks, and supplying information, such as news reports, articles, pictures, and features, to the news media. These establishments distribute textual, audio, and/or video content of general or specific interest.

Illustrative Examples:

Broadcasting networks, radio
Broadcasting networks, television
Cable broadcasting networks
Cable television networks
Internet broadcasting
Pay-per-view cable programming
Satellite radio networks
Satellite television networks
Social network sites, Internet
Stand-alone streaming services
Subscription Video on Demand (SVOD) services
Syndicates, news
Virtual Multichannel Video Programming Distributors (vMVPDs)
Web broadcasting
Wiki sites, Internet

Computer Training

Establishments in this category are primarly engaged in conducting computer training (except computer repair), such as instruction in computer programming, software applications, computerized business systems, computer electronics technology, computer operations, and local area network management. Instruction may be provided in diverse settings, such as the establishment's or client's training facilities, educational institutions, the workplace, or the home, and through diverse means, such as correspondence, television, the Internet, or other electronic and distance-learning methods. The training provided by these establishments may include the use of simulators and simulation methods.

Professional and Management Development Training

Establishments in this category are primarly engaged in offering an array of short duration courses and seminars for management and professional development. Training for career development may be provided directly to individuals or through employers' training programs, and courses may be customized or modified to meet the special needs of customers. Instruction may be provided in diverse settings, such as the establishment's or client's training facilities, educational institutions, the workplace, or the home, and through diverse means, such as correspondence, television, the Internet, or other electronic and distance-learning methods. The training provided by these establishments may include the use of simulators and simulation methods.

General Automotive Repair

This includes establishments primarily engaged in providing (1) a wide range of mechanical and electrical repair and maintenance services for automotive vehicles, such as passenger cars, trucks, and vans, and all trailers or (2) engine repair and replacement.

Illustrative Examples:

Automobile repair garages (except gasoline service stations)
General automotive repair shops
Automotive engine repair and replacement shops

Specialized Automotive Repair

This includes establishments primarily engaged in providing specialized mechanical or electrical repair and maintenance services (except engine repair and replacement) for automotive vehicles, such as passenger cars, trucks, and vans, and all trailers.

Illustrative Examples:

Automotive brake repair shops
Automotive suspension repair shops
Automotive exhaust system replacement and repair shops
Automotive electrical repair shops
Automotive transmission repair shops
Automotive tune-up shops

All Other Automotive Repair and Maintenance

This includes establishments primarily engaged in providing automotive repair and maintenance services (except mechanical and electrical repair and maintenance; body, paint, interior, and glass repair; motor oil change and lubrication; and car washing) for automotive vehicles, such as passenger cars, trucks, and vans, and all trailers.

Illustrative Examples:

Automotive air-conditioning repair shops
Automotive tire repair (except retreading) shops
Automotive rustproofing and undercoating shops