Public Administration

Marketing of agricultural products

Crop preparation services for market

Field crops, except cash grains, market preparation services

Alfalfa cubing services

Cotton seed delinting services

Flax decorticating services

Systems, fire alarm

Fire sprinkler system installation

Fire detection and burglar alarm systems specialization

Fire detection systems, electric

Grenades, hand (fire extinguishers)

Firefighting equipment

Structural Engineering And Civil Engineering

Installing building equipment

Machine moving and rigging

Machinery dismantling

Pollution control equipment installation

Government Offices

Interstate Commerce Commission

Railroad and warehouse commission, government

Transit system or authority: government, nonoperating

Transportation department: government, nonoperating

International affairs

State institutions

Interstate Commerce Commission

Railroad and warehouse commission, government

Transit system or authority: government, nonoperating

Transportation department: government, nonoperating

Regulation, administration of utilities

Defense And Equipment Control Systems

Security devices

Security control equipment and systems

Military training schools

Government authorities

Regulation, administration of utilities

Taxation department, government

Controllers' office, government

Gambling control board, government

Lottery control board, government

Tax Consultants

Pension and retirement plan consultants

Tax return preparation services

Tax refund discounting

Legal and tax services

Accounting, auditing, and bookkeeping

Psychological Consulting

Psychological consultant

Administration of educational programs

County supervisor of education, except school board

Education office, nonoperating

Education statistics center, government

Legislative bodies

Legislative bodies, national

Legislative advisory commission

Legislative assembly

Police protection

Police protection, interstate and federal

Bureau of criminal investigation, government

State highway patrol

Legal advice and action

Legal counsel and prosecution

Prosecuting parties

Attorney general's office

District attorneys' office

Public prosecutors' office

Correctional institutions

Detention center, government

Honor camp, government

House of correction, government

Jail, government

Statistical Services

Public order and safety, nec

Public order and safety statistics centers

Criminal justice statistics center, government

Law enforcement statistics center, government

Public safety statistics center, government

Public Health Services

Administration of public health programs

Cancer detection program administration, government

Categorical health program administration, government

Child health program administration, government

Communicable disease program administration, government

Social Security

Administration of social and manpower programs

Income maintenance programs

Public welfare administration: nonoperating, government

Social security administration, government

Unemployment insurance office, government

Soil Conservation

Land, mineral, and wildlife conservation

Fish and wildlife conservation agency, government

Game and inland fish agency, government

Land conservation agencies

Land management agency, government

Space research and technology

Space flight operations, government

Space research and development, government