|thousands of employees||billions of current dollars|
|Analytical services (1)||6.0||18.0||13.6||0.4||1.5||1.1|
|Water treatment works (2)||53.9||82.1||107.5||10.9||18.3||25.6|
|Solid waste management (3)||83.2||205.5||250.7||11.2||26.1||36.1|
|Hazardous waste management (4)||6.8||53.8||46.1||0.6||6.3||5.7|
|Consulting & engineering||20.5||147.1||171.5||1.7||12.5||15.8|
|Water equipment & chemicals||62.4||92.7||128.3||6.9||13.5||19.1|
|Air pollution control equipment (5)||28.3||96.4||113.2||3.3||13.1||16.5|
|Waste management equipment (6)||41.9||69.6||75.7||3.5||8.7||9.5|
|Process & prevention technology||2.1||9.3||26.7||0.1||0.4||1.0|
|Water utilities (7)||76.9||98.5||126.4||11.9||19.8||28.8|
|Resource recovery (8)||48.7||142.9||125.0||4.4||13.1||13.3|
|Environmental energy sources (9)||22.4||20.3||31.7||1.5||1.8||3.0|
Source: Environmental Business International, Inc., Environmental Business Journal (Environmental Business International, Inc., San Diego, CA, monthly, copyright).
Notes: (1) Covers environmental laboratory testing and services. (2) Mostly revenues collected by municipal entities. (3) Covers activities such as collection, transportation, transfer stations, disposal, landfill ownership, and management for solid waste. (4) Transportation and disposal of hazardous, medical, and nuclear waste. (5) Includes stationary and mobile sources. (6) Includes vehicles, containers, liners, processing, and remedial equipment. (7) Revenues generated from the sale year. (8) Revenues generated from the sale of recovered metals, paper, plastic, etc. (9) Includes solar, geothermal, and conservation devices. (10) Covers approximately 59,000 private and public companies engaged in environmental activities.
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