There is also a Web page finder at this site, but you'll have to polish up on those old French language skills to use it. This directory appears to search for both individual and business listings. Includes email links to companies. Service is described in English and Italian, however, the search submission form is in Italian. You'll also find info on ordering the free Yellow Pages for North America directory of 21,000 Italian firms which export to America.
Many records remain housed in county parishes.
Use the National Archives site to decide where the records you seek will be found and how you will access them. While records are not online, this site helps steer you in the right direction to find that vital information. Choose a town or a county or use Swift's Boolean-based advanced search to find business, cultural, news and other Emerald Isle Web sites. March '98 Billing itself as the largest directory of Irish businesses on the Web, this site houses a database of over 200,000 Irish and Ireland-based companies. See the first 25 hits for free and then pay a fee for the rest.