| Contact units | 
| Abbonati al servizio di telefonia fissa | 
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| Administrative Justice Council of Sicily | 
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| Agencies managing aqueducts | 
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| Agencies managing drinkable water supply systems   | 
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| Agencies managing municipal waste water treatment plants | 
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| Agencies managing sewerage systems | 
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| Agricultural cooperative establishments | 
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| Agricultural holding plants | 
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| Agricultural holdings | 
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| Air transport enterprises | 
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| Airports | 
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| Analysis laboratory | 
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| Anti-violence Center | 
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| Archaeological areas | 
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| Association of Municipalities | 
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| Autonomous provinces | 
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| Autonomous regions | 
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| Bodies of various legal nature | 
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| Building workers' welfare funds | 
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| Buildings | 
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| Car insurance companies, rental of means of transport, funeral, removal  | 
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| Carabinieri stations | 
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| Central milk factories | 
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| Chambers of Commerce, Industries, Crafts and Agriculture | 
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| Cinemas | 
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| Civil courts - bankruptcy division | 
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| Coastal municipalities | 
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| Courts | 
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| Credit institutions | 
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| Dairy factories | 
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| Disable persons | 
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| Driving schools | 
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| Dwellings | 
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| Employed persons | 
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| Employees of private institutions | 
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| Enterprise groups | 
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| Enterprise with at least 10 employees | 
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| Enterprises | 
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| Enterprises and private institutions with at least 10 employees | 
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| Enterprises authorised to transport on hire or reward | 
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| Enterprises operating in Accommodation | 
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| Enterprises operating in Food and  beverage service activities | 
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| Enterprises operating in IT and other information services | 
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| Enterprises operating in Land transport and transport via pipelines | 
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| Enterprises operating in Real Estate Activities | 
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| Enterprises operating in the publishing and broadcasting activities | 
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| Enterprises operating in the sectors: Professional, scientific and technical activities | 
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| Enterprises operating in Warehousing and support activities for transportation | 
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| Enterprises operating in Wholesale and retail trade and repair of motor vehicles and motorcycles | 
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| Enterprises with at least 10 employees in industry or services  | 
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| Enterprises with at least 10 persons employed | 
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| Enterprises with at least 10 persons employed in nonfarm private sector, excluding social and personal services | 
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| Enterprises with at least 100 persons employed - industry or services | 
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| Enterprises with at least 3 persons employed | 
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| Enterprises with at least 3 persons employed providing market serivces  | 
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| Enterprises with at least 50 persons employed | 
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| Enterprises with at least 500 persons employed | 
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| Enterprises with employees of the private non agricultural sector, excluding social and personal services | 
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| Enterprises with license of transport on own account | 
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| Enterprises working in the sector of maintenance and repair of motor vehicles | 
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| Farmer provincial unions | 
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| Fish markets | 
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| Foreign women 16-70 | 
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| Forestry and environment police corps | 
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| Foundations | 
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| Garages | 
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| Garages and parking lots | 
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| General Government | 
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| Government bodies | 
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| Graduates | 
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| Guardia di Finanza (Tax and customs police) | 
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| Handicraft enterprises | 
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| Health care establishments | 
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| Hospitals | 
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| Hotels | 
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| Hotels and other collective accomodation establishments | 
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| Households | 
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| Households with at least a foreigner person | 
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| Hygene/health shops | 
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| Imprese operanti nei settori agenzie di viaggio e servizi di supporto alle imprese | 
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| Industrial and commercial enterprises located on the national territory | 
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| Industrial enterprises | 
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| Institute for public housing | 
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| Institutional households    | 
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| Institutions and companies and non financial quasi companies | 
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| Insured persons | 
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| Iron and steel enterprises according to ECSC treaty | 
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| Italian Forest Development Authority stations | 
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| Italian women 16-70 | 
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| Judicial offices | 
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| Juvenile court | 
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| Kind of activity units | 
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| Large demographic dimension municipalities | 
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| Libraries | 
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| Live births registered in the population register - mothers | 
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| Livestock and agricultural holdings | 
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| Local health authority (Asl) | 
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| Local markets | 
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| Local tourist bodies | 
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| Local units | 
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| Local units of public istitutions | 
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| Manufacture of chemicals and synthetic fibres | 
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| Manufacturing enterpriseses | 
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| Maritime Maritime transport enterprises | 
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| Merchant ships | 
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| Meteorological and hydrological services | 
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| Milk collection centres | 
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| Mining districts | 
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| Monuments | 
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| Mountain municipalities | 
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| Municipal Police | 
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| Municipal register offices | 
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| Municipal statistical offices | 
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| Municipalities | 
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| Museums | 
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| Non profit institutions | 
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| Nursing homes | 
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| Ombudsmen offices | 
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| Optimal territorial authorities | 
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| Other housing units | 
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| Owners of fishing licences for areas different from the Mediterranean sea | 
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| Own-label distributors of fertilizers  | 
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| Own-label distributors of plant protection products | 
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| Own-label distributors of seeds | 
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| Own-label producers and/or distributors of feeding stuff | 
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| PDO - PGI products control bodies | 
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| PDO, PGI and TSG products control bodies | 
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| Persons | 
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| Persons aged 11-87 with motor/functional limitations | 
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| Persons aged 15 and over | 
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| Persons aged 16 and over | 
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| Persons aged 18 and over | 
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| Persons aged 18-74 | 
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| Petrol stations | 
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| PhD graduates 4 and 6 years after graduation | 
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| Point of sales | 
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| Police headquarters | 
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| Police stations | 
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| Population register office | 
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| Port authorities | 
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| Postal services companies  | 
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| Prestazioni (pasti erogati a pranzo e cena nelle mense, posti letto offerti dalle accoglienze notturne, contatti erogati dalle unitŕ di strada) | 
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| Private households | 
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| Private institutions with at least 10 persons employed | 
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| Private sector employees  | 
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| Professional associations | 
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| Professional categories | 
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| Provinces | 
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| Provincial associations of construction enterprises | 
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| Provincial office for hunting regulation | 
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| Provincial Police | 
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| Public and private institutions | 
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| Public bodies/institutions | 
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| Public Prosecutor's office  | 
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| Public utility suppliers | 
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| Publishers | 
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| Railroad transport enterprises | 
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| Regional administrative court | 
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| Regional Agencies for the Protection of the Environment | 
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| Regional departments for local authorities | 
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| Regional hydrographic services | 
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| Regional offices for Public Works | 
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| Regional statistical offices | 
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| Regions | 
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| Resident population | 
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| Residential care facilities | 
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| Residential health care facilities | 
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| Restaurants and cafés | 
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| Retail sale stores | 
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| Retail trade enterprises | 
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| Rotational dairies | 
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| School plexuses | 
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| Schools | 
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| Scientific hospitals for research, hospitalisation and health care and State University hospitals | 
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| Sea water management companies | 
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| Seaside establishments | 
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| Self-employed persons | 
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| Services for the right to university education | 
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| Services (meals provided for lunch and dinner by canteens, beds offered by night shelters) | 
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| Services provided (meals and bed places provided) | 
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| Shelter homes | 
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| Short university courses (old programmes): graduates three years before the survey was carried out | 
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| Social cooperatives | 
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| Social security funds | 
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| Sport facilities | 
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| State Prosecutors' offices at Juvenile Courts | 
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| Statistical offices of National Statistical System | 
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| Street numbers | 
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| Students | 
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| Teachers | 
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| Telecommunication companies | 
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| Textile and clothing enterprises | 
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| Theatres | 
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| Tourist bodies | 
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| Trade Unions  | 
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| Traffic Police | 
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| University | 
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| University teachers with tenure | 
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| University towns | 
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| Upper secondary graduates | 
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| Upper secondary schools | 
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| Vocational and cultural training centres | 
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| Voluntary organisations | 
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| Water management companies | 
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| Wholesale enterprises | 
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| Women aged 16-70 | 
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| Zootechnical and agricultural holdings and forest-based industries | 
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