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SIC Code 9511 – Air and Water Resource and Solid Waste Management

Official 4-digit SIC code Source: OSHA SIC Manual Updated Nov 13, 2026

At a glance

Companies

3,196 U.S. 7 Canada

More specific segments

View 4 segments →

Which businesses belong in SIC 9511?

Usually classified in SIC 9511

  • Environmental protection agencies - government
  • Environmental quality and control agencies - government
  • Pollution control agencies - government
  • Sanitary engineering agencies - government
  • Waste management program administration - government

Official definition for SIC 9511 - Air and Water Resource and Solid Waste Management

Government establishments primarily engaged in regulation, planning, protection and conservation of air and water resources; solid waste management; water and air pollution control and prevention; flood control; drainage development, and consumption of water resources; coordination of these activities at intergovernmental levels; research necessary for air pollution abatement and control and conservation of water resources. Water systems are classified in Transportation and Public Utilities, SIC Code - 4941, Sewage and refuse systems and other sanitary services are classified in Transportation and Public Utilities, SIC Code - 495, Irrigation systems are classified in Transportation and Public Utilities, SIC Code - 4971, Environmental protection agencies-government Environmental quality and control agencies-government Pollution control agencies-government Sanitary engineering agencies-government Waste management program administration-government Water control and quality agencies-government

Source: OSHA SIC Manual

Companies in SIC 9511 - Air and Water Resource and Solid Waste Management

From SICCODE.com's database of 15 million U.S. and Canadian businesses across every industry Updated

Get a business list of Air and Water Resource and Solid Waste Management companies for sales, marketing and research, or update your existing records with SIC codes and current company data.

3,196 Companies
3,180 Phones
3,206 Websites
817 Email contacts

Showing: United States · All states — counts update when you change the filter

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Company Contact & title Website Phone Employees
New Mexico Energy Minerals and Natural Resources Department Santa Fe, NM
Cadmus Group Arlington, VA
Waste Management of Indian River County Pompano Beach, FL
  • New Mexico Energy Minerals and Natural Resources Department · Santa Fe, NM

    Contact Website Phone Employees
  • Cadmus Group · Arlington, VA

    Contact Website Phone Employees
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Key facts for SIC 9511 - Air and Water Resource and Solid Waste Management

SIC code
9511
Official title
Air and Water Resource and Solid Waste Management
Scope
OSHA SIC Manual, establishment-level
Official source
OSHA SIC Manual
Where SIC is used
Used in SEC filings, government forms, and business lists. See which agencies still use SIC codes →

SIC Classification Hierarchy

Four official SIC levels, plus a more detailed commercial classification level.

  1. Industry · Official 4-Digit 9511 Air and Water Resource and Solid Waste Management

One example classification path is shown. Other branches may exist. The 6-digit Marketing Level is a commercial extension, not an official SIC classification.

Other codes in Industry Group 951: 9512 · Land, Mineral, Wildlife, and Forest Conservation

More specific segments in SIC 9511

Segments let you target only the companies you need. Add one or more to your list to get pricing and a free sample.

3,206 U.S. companies across 4 segments · Segment codes are 6-digit marketing categories that extend the official 4-digit SIC code. They are not official SIC codes.

Marketing Level classifications within SIC 9511
Code Segment Companies Build your list
9511-01 Federal Government-Air/Water/Solid Waste Management 40 40 companies
9511-02 State Government-Air/Water/Solid Waste Management 252 252 companies
9511-03 County Government-Air/Water/Solid Waste Management 198 198 companies
9511-04 City Government-Air/Water/Solid Waste Management 2,716 2,716 companies

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Example companies in SIC 9511

See how SICCODE.com evaluates businesses using documented activities and official SIC definitions. Select a company to review its classification and the reasoning behind it.

NAICS, ISIC and NACE Rev. 2.1 crosswalk for SIC 9511 - Air and Water Resource and Solid Waste Management

Correspondences in NAICS, ISIC and NACE Rev. 2.1 (via ISIC) for SIC 9511 - Air and Water Resource and Solid Waste Management. These mappings do not replace the official SIC definition.

NAICS, ISIC and NACE Rev. 2.1 crosswalk for SIC 9511 - Air and Water Resource and Solid Waste Management
System Code Title
SIC This page 9511 Air and Water Resource and Solid Waste Management
NAICS 924110 Administration of Air and Water Resource and Solid Waste Management Programs Administration of Air and Water Resource and Solid Waste Management Programs
ISIC Rev. 4 8412 Regulation Of The Activities Of Providing Health Care, Education, Cultural Services And Other Social Services, Excluding Social Security Regulation Of The Activities Of Providing Health Care, Education, Cultural Services And Other Social Services, Excluding Social Security
NACE Rev. 2.1 (via ISIC 8412) 84.12 Regulation of health care, education, cultural services and other social services Regulation of health care, education, cultural services and other social services

Source: Eurostat, NACE Rev. 2.1 to ISIC Rev. 5 correspondence; United Nations Statistics Division, ISIC Rev. 4 to ISIC Rev. 5 correspondence table.

Sources for SIC 9511

  • Official classification source U.S. Occupational Safety and Health Administration.
    Standard Industrial Classification Manual (1987), SIC 9511. OSHA SIC Manual →
  • SICCODE.com commercial data Company-record counts, coverage, and related commercial data are maintained by SICCODE.com. Methodology →

SICCODE.com is an independent publisher. Official SIC titles and definitions come from the OSHA SIC Manual; commercial database counts are SICCODE.com records.

About this classification

This page combines the official SIC definition with classification analysis, crosswalks, and SICCODE.com commercial data. Classifications are reviewed regularly by the Industry Classification Review Team.