GILBERT DEVELOPMENT GROUP, INC

Petrochemical Manufacturing

Establishments in this category are primarly engaged in (1) manufacturing acyclic (i.e., aliphatic) hydrocarbons such as ethylene, propylene, and butylene made from refined petroleum or liquid hydrocarbons and/or (2) manufacturing cyclic aromatic hydrocarbons such as benzene, toluene, styrene, xylene, ethyl benzene, and cumene made from refined petroleum or liquid hydrocarbons.

Industrial Gas Manufacturing

Establishments in this category are primarly engaged in manufacturing industrial organic and inorganic gases in compressed, liquid, and solid forms.

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

Industrial Valve Manufacturing

This includes establishments primarily engaged in manufacturing industrial valves and valves for water works and municipal water systems.

Illustrative Examples:

Complete fire hydrants manufacturing
Industrial-type ball valves manufacturing
Industrial-type butterfly valves manufacturing
Industrial-type check valves manufacturing
Industrial-type gate valves manufacturing
Industrial-type globe valves manufacturing
Industrial-type plug valves manufacturing
Industrial-type solenoid valves (except fluid power) manufacturing
Industrial-type steam traps manufacturing
Valves for nuclear applications manufacturing

Other Measuring and Controlling Device Manufacturing

This includes establishments primarily engaged in manufacturing measuring and controlling devices (except search, detection, navigation, guidance, aeronautical, and nautical instruments and systems; automatic environmental controls for residential, commercial, and appliance use; instruments for measurement, display, and control of industrial process variables; totalizing fluid meters and counting devices; instruments for measuring and testing electricity and electrical signals; analytical laboratory instruments; irradiation equipment; and electromedical and electrotherapeutic apparatus).

Illustrative Examples:

Aircraft engine instruments manufacturing
Automotive emissions testing equipment manufacturing
Clocks assembling
Meteorological instruments manufacturing
Physical properties testing and inspection equipment manufacturing
Polygraph machines manufacturing
Radiation detection and monitoring instruments manufacturing
Surveying instruments manufacturing
Thermometers, liquid-in-glass and bimetal types (except medical), manufacturing
Watches (except smartwatches) and parts (except crystals) manufacturing

Hardware Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of hardware, knives, or handtools.

Illustrative Examples:

Brads merchant wholesalers
Cutlery merchant wholesalers
Knives (except disposable plastics) merchant wholesalers
Power handtools (e.g., drills, saws, sanders) merchant wholesalers
Fasteners (e.g., bolts, nuts, rivets, screws) merchant wholesalers
Staples merchant wholesalers
Handtools (except motor vehicle, machinists' precision) merchant wholesalers
Hardware (except motor vehicle) merchant wholesalers
Tacks merchant wholesalers
Keys and locks merchant wholesalers

Other Miscellaneous Durable Goods Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of durable goods (except motor vehicles and motor vehicle parts and supplies; furniture and home furnishings; lumber and other construction materials; professional and commercial equipment and supplies; metals and minerals (except petroleum); electrical goods; hardware, and plumbing and heating equipment and supplies; machinery, equipment, and supplies; sporting and recreational goods and supplies; toy and hobby goods and supplies; recyclable materials; and jewelry, watches, precious stones, and precious metals).

Illustrative Examples:

Firearms (except sporting) merchant wholesalers
Musical instruments merchant wholesalers
Luggage merchant wholesalers
Monuments and grave markers merchant wholesalers
Prerecorded compact discs (CDs) and digital video discs (DVDs) merchant wholesalers
Timber and timber products (except lumber) merchant wholesalers
Personal safety devices and supplies (e.g., eye shields, face shields, nonelectric respirators) merchant wholesalers
Signs (except electrical) merchant wholesalers

Other Chemical and Allied Products Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of chemicals and allied products (except agricultural and medicinal chemicals, paints and varnishes, fireworks, and plastics materials and basic forms and shapes).

Illustrative Examples:

Acids merchant wholesalers
Industrial chemicals merchant wholesalers
Automotive chemicals (except lubricating oils and greases) merchant wholesalers
Industrial salts merchant wholesalers
Dyestuffs merchant wholesalers
Rosins merchant wholesalers
Explosives (except ammunition and fireworks) merchant wholesalers
Turpentine merchant wholesalers

Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)

Establishments in this category are primarly engaged in the merchant wholesale distribution of petroleum and petroleum products (except from bulk liquid storage facilities).

Illustrative Examples:

Gasoline merchant wholesalers (except bulk stations, terminals)
Lubricating oil and grease merchant wholesalers (except bulk stations, terminals)
Bottled liquid petroleum gas merchant wholesalers
Fuel oil merchant wholesalers (except bulk stations, terminals)

Testing Laboratories and Services

Establishments in this category are primarly engaged in performing physical, chemical, and other analytical testing services, such as acoustics or vibration testing, assaying, biological testing (except medical and veterinary), calibration testing, electrical and electronic testing, geotechnical testing, mechanical testing, nondestructive testing, or thermal testing. The testing may occur in a laboratory or on-site.

All Other Professional, Scientific, and Technical Services

Establishments in this category are primarly engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services).

Illustrative Examples:

Appraisal (except real estate) services
Marine surveyor (i.e., appraiser) services
Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices)
Patent broker services (i.e., patent marketing services)
Commodity inspector services
Pipeline or power line inspection (i.e., visual) services
Consumer credit counseling services
Weather forecasting services
Handwriting analysis services

All Other Support Services

Establishments in this category are primarly engaged in providing day-to-day business and other organizational support services (except office administrative services, facilities support services, employment services, business support services, travel arrangement and reservation services, security and investigation services, services to buildings and other structures, packaging and labeling services, and convention and trade show organizing services).

Illustrative Examples:

Bartering services
Flagging (i.e., traffic control) services
Bottle exchanges
Float decorating services
Inventory taking services
Contract meter reading services
Lumber grading services
Diving services on a contract or fee basis