O2 Ireland
- GSM mobile phone operator. Details of services available for personal and business customers, online shop and customer services.
- http://web.o2.ie/

Meteor Mobile Communications
- Providing GSM services throughout the country. Includes details of handsets available, a coverage map and services for customers.
- http://www.meteor.ie/

Advanced Telephone Systems
- Communications company specialising in telephone systems, computer networks, structured cable networks and data maintenance for home and business.
- http://www.ats.ie

Sigma Telecom
- Offers mobile phones, dect and fixed line handsets, phone accessories, two way radios and lan products.
- http://www.mobilephone.ie

Swiftcall.ie
- Offers low cost phone calls country-wide.
- http://www.swiftcall.ie

Vodafone
- Mobile phone operator offering a complete range of phones, services, accessories and tariffs.
- http://www.vodafone.ie