3DBLOCKS LLC

Water Supply and Irrigation Systems

Establishments in this category are primarly engaged in operating water treatment plants and/or operating water supply systems. The water supply system may include pumping stations, aqueducts, and/or distribution mains. The water may be used for drinking, irrigation, or other uses.

Water and Sewer Line and Related Structures Construction

Establishments in this category are primarly engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to water, sewer line, and related structures construction. All structures (including buildings) that are integral parts of water and sewer networks (e.g., storage tanks, pumping stations, water treatment plants, and sewage treatment plants) are included in this industry.

Illustrative Examples:

Distribution line, sewer and water, construction
Sewer main, pipe and connection, construction
Fire hydrant installation
Storm sewer construction
Irrigation systems construction
Water main and line construction
Sewage disposal plant construction
Water treatment plant construction
Pumping station, water and sewage system, construction
Water system storage tank and tower construction
Reservoir construction
Water well drilling, digging, boring, or sinking (except water intake wells in oil and gas fields)

Other Heavy and Civil Engineering Construction

Establishments in this category are primarly engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction). The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to heavy and civil engineering construction projects (excluding highway, street, bridge, distribution line, oil and gas structure, and utilities building and structure construction). Construction projects involving water resources (e.g., dredging and land drainage), development of marine facilities, and projects involving open space improvement (e.g., parks and trails) are included in this industry.

Illustrative Examples:

Channel construction
Land drainage contractors
Dam construction
Marine construction
Dock construction
Microtunneling contractors
Dredging (e.g., canal, channel, ditch, waterway)
Nuclear waste disposal site construction
Earth retention system construction
Flood control project construction
Park ground and recreational open space improvement construction
Railroad construction
Golf course construction
Subway construction
Horizontal drilling (e.g., cable, pipeline, sewer installation)
Trenching, underwater
Hydroelectric generating station construction
Tunnel construction

Electrical Contractors and Other Wiring Installation Contractors

Establishments in this category are primarly engaged in installing and servicing electrical wiring and equipment. Contractors included in this industry may include both the parts and labor when performing work. These contractors may perform new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Airport runway lighting contractors
Fiber optic cable (except transmission line) contractors
Alarm system (e.g., fire, burglar), electric, installation only
Highway, street, and bridge lighting and electrical signal installation
Audio equipment (except automotive) installation contractors
Home automation system installation
Lighting system installation
Cable television hookup contractors
Telecommunications equipment and wiring (except transmission line) installation contractors
Computer and network cable installation
Traffic signal installation
Environmental control system installation
Cable splicing, electrical or fiber optic

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

All Other Miscellaneous Food Manufacturing

This includes establishments primarily engaged in manufacturing food (except animal food; grain and oilseed milling; sugar and confectionery products; preserved fruits, vegetables, and specialties; dairy products; meat products; seafood products; bakeries and tortillas; snack foods; coffee and tea; flavoring syrups and concentrates; seasonings and dressings; and perishable prepared food). Included in this industry are establishments primarily engaged in mixing purchased dried and/or dehydrated ingredients including those mixing purchased dried and/or dehydrated ingredients for soup mixes and bouillon.

Illustrative Examples:

Baking powder manufacturing
Cake frosting, prepared, manufacturing
Dessert puddings manufacturing
Sweetening syrups (except pure maple) manufacturing
Egg substitutes manufacturing
Gelatin dessert preparations manufacturing
Honey processing
Powdered drink mixes (except chocolate, coffee, tea, or milk based) manufacturing
Popcorn (except popped) manufacturing
Yeast manufacturing

Wood Container and Pallet Manufacturing

Establishments in this category are primarly engaged in manufacturing wood pallets, wood box shook, wood boxes, other wood containers, and wood parts for pallets and containers.

Manufactured Home (Mobile Home) Manufacturing

This includes establishments primarily engaged in making manufactured homes (i.e., mobile homes) and nonresidential mobile buildings. Manufactured homes are designed to accept permanent water, sewer, and utility connections and although equipped with wheels, they are not intended for regular highway movement.

All Other Miscellaneous Wood Product Manufacturing

This includes establishments primarily engaged in manufacturing wood products (except establishments operating sawmills and preservation facilities; establishments manufacturing veneer, engineered wood products, millwork, wood containers, pallets, and wood container parts; and establishments making manufactured homes (i.e., mobile homes) and prefabricated buildings and components).

Illustrative Examples:

Cabinets (i.e., housings), wood (e.g., sewing machines, stereo, television), manufacturing
Cork products (except gaskets) manufacturing
Kiln drying lumber
Shoe trees manufacturing
Wood dowels manufacturing
Wood extension ladders manufacturing
Wood handles (e.g., broom, handtool, mop), manufacturing
Wood kitchenware manufacturing
Wood stepladders manufacturing
Wood toilet seats manufacturing
Wood toothpicks manufacturing

Prefabricated Metal Building and Component Manufacturing

This includes establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections.

Fabricated Structural Metal Manufacturing

This includes establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.

All Other Miscellaneous Fabricated Metal Product Manufacturing

This includes establishments primarily engaged in manufacturing fabricated metal products (except forgings and stampings, cutlery and handtools, architectural and structural metals, boilers, tanks, shipping containers, hardware, spring and wire products, machine shop products, turned products, screws, nuts and bolts, metal valves, ball and roller bearings, ammunition, small arms and other ordnances and accessories, and fabricated pipes and pipe fittings).

Illustrative Examples:

Foil containers (except bags) manufacturing
Industrial pattern manufacturing
Metal hair curlers manufacturing
Metal ironing boards manufacturing
Metal pallets manufacturing
Metal pipe hangers and supports manufacturing
Metal safes manufacturing
Metal vaults (except burial) manufacturing
Permanent metallic magnets manufacturing
Portable metal ladders manufacturing
Sanitary ware (e.g., bathtubs, lavatories, sinks), metal and enameled metal, manufacturing
Steel wool manufacturing

Construction Machinery Manufacturing

Establishments in this category are primarly engaged in manufacturing construction machinery, surface mining machinery, and logging equipment.

Illustrative Examples:

Backhoes manufacturing
Bulldozers manufacturing
Construction and surface mining-type rock drill bits manufacturing
Construction-type tractors and attachments manufacturing
Off-highway trucks manufacturing
Pile-driving equipment manufacturing
Portable crushing, pulverizing, and screening machinery manufacturing
Powered post hole diggers manufacturing
Road graders manufacturing
Surface mining machinery (except drilling) 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.

All Other Miscellaneous Manufacturing

This includes establishments primarily engaged in miscellaneous manufacturing (except medical equipment and supplies, jewelry and silverware, sporting and athletic goods, dolls, toys, games, office supplies, signs, gaskets, packing, and sealing devices, musical instruments, fasteners, buttons, needles, pins, brooms, brushes, mops, and burial caskets).

Illustrative Examples:

Artificial Christmas trees manufacturing
Candles manufacturing
Christmas tree ornaments (except glass and electric) manufacturing
Cigarette lighters (except precious metal) manufacturing
Coin- or card-operated amusement machines (except jukebox) manufacturing
Electronic cigarettes manufacturing
Hairpieces (e.g., wigs, toupees, wiglets) manufacturing
Portable fire extinguishers manufacturing
Potpourri manufacturing
Tobacco pipes manufacturing
Umbrellas manufacturing