ENVIRO-DYNE INDUSTRIAL SERVICES INC

Support Activities for Oil and Gas Operations

This includes establishments primarily engaged in performing support activities, on a contract or fee basis, for oil and gas operations (except geophysical surveying and mapping, site preparation, construction, and transportation activities). Services included are exploration; excavating slush pits and cellars, well surveying; running, cutting, and pulling casings, tubes, and rods; cementing wells, shooting wells; perforating well casings; acidizing and chemically treating wells; and cleaning out, bailing, and swabbing wells.

Other Services to Buildings and Dwellings

Establishments in this category are primarly engaged in providing services to buildings and dwellings (except exterminating and pest control; janitorial; landscaping care and maintenance; and carpet and upholstery cleaning).

Illustrative Examples:

Building exterior cleaning services (except sandblasting, window cleaning)
Swimming pool cleaning and maintenance services
Chimney cleaning services
Ventilation duct cleaning services
Drain or gutter cleaning services

Septic Tank and Related Services

This includes establishments primarily engaged in (1) pumping (i.e., cleaning) septic tanks and cesspools and/or (2) renting and/or servicing portable toilets.

All Other Miscellaneous Waste Management Services

This includes establishments primarily engaged in providing waste management services (except waste collection, waste treatment and disposal, remediation, operation of materials recovery facilities, septic tank pumping and related services, and waste management consulting services).

Illustrative Examples:

Beach cleaning and maintenance services
Sewer or storm basin cleanout services
Catch basin cleaning services
Tank cleaning and disposal services, commercial or industrial
Sewer cleaning and rodding services