| 00574W | B & B Electronics Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00707WB | B & C Audio Visual Ltd | YES | YES | Bang & Olufsen | YES | YES | YES | YES | YES | YES |
| 00121WB | B & Q Ireland Ltd | YES | YES | | YES | YES | YES | YES | YES | Reg-Pending |
| 00844WB | B Cool 2 Ltd | YES | YES | B Cool! The Gadget Store | YES | YES | YES | YES | YES | YES |
| 00335W | B International | YES | NO | Oasis | YES | YES | YES | YES | YES | YES |
| 00634WB | B P Multipage Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 01142W | B-Safe Products Ltd | YES | NO | | N/A | N/A | N/A | YES | YES | YES |
| 01535W | B. & G. Ltd | YES | NO | | N/A | N/A | N/A | N/A | N/A | YES |
| 01341W | B. Braun Avitum Ireland Ltd | YES | NO | Bbavi | N/A | N/A | N/A | N/A | YES | YES |
| 00996WB | B. Braun Medical Ltd | YES | YES | | YES | YES | YES | YES | YES | Reg-Pending |
| 01102W | B.G. Salon Sales Ltd | YES | NO | | YES | N/A | N/A | YES | YES | YES |
| 00289W | B.H.C. Coding Systems Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01584WB | B.J. Fitzpatrick Ltd | YES | YES | | N/A | N/A | N/A | N/A | N/A | YES |
| 01190WB | B.S. Lewis Ltd | YES | YES | | N/A | N/A | N/A | YES | YES | YES |
| 00855W | Ballyneety Manufacturing Services Ltd | YES | NO | BMS Ireland | YES | YES | YES | YES | YES | YES |
| 00772W | Bandwidth Telecommunications Ltd | YES | NO | | N/A | YES | YES | YES | YES | YES |
| 00935WB | Banner Business Services (Ireland) Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00269WB | Bard Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00966WB | Barker Photographic Ltd | YES | YES | | YES | YES | YES | YES | YES | Reg-Pending |
| 00675W | Baro Lighting (Ireland) Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01217B | Battery Services (Ireland) Ltd | NO | YES | | N/A | N/A | N/A | YES | Reg-Pending | NO |
| 01333WB | Batteryman Distribution Ltd | YES | YES | | N/A | N/A | N/A | N/A | YES | YES |
| 00922W | Bausch & Lomb Ireland | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00588WB | Baxter Healthcare Limited | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00949W | Bayesker Ltd | YES | NO | | N/A | N/A | YES | YES | YES | NO |
| 00848WB | Bayfield Supplies Ltd | YES | YES | Discount World | YES | YES | YES | YES | YES | YES |
| 01613B | BDI Batteries Ltd | NO | YES | | N/A | N/A | N/A | N/A | N/A | YES |
| 01041W | Beam Vacuum Systems Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00116WB | Beaumark Ltd | YES | YES | | YES | YES | YES | YES | YES | NO |
| 00535W | Beaumex | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01177WB | Bechtle Direct Ltd | YES | NO | | N/A | N/A | N/A | BATT Reg-Pending | Reg-Pending | Reg-Pending |
| 00398W | Becton Dickinson U.K. Limited | YES | NO | | YES | YES | YES | YES | YES | Reg-Pending |
| 01123WB | Beechill Enterprises Ltd | YES | NO | Richer Sounds Belfast | N/A | N/A | YES | WEEE YES | Reg-Pending | NO |
| 00341WB | Beko PLC | YES | YES | Beko Ireland | YES | YES | YES | YES | YES | YES |
| 00951W | Bell Microproducts Limited | YES | NO | | N/A | N/A | YES | YES | YES | YES |
| 00592WB | Beltronics Computers Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00736W | Bercar Welding Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01338W | Berkel (Ireland) Ltd | YES | NO | Avery Weigh-Tronix | YES | YES | YES | YES | YES | YES |
| 00284WB | Betterware UK Limited | YES | NO | Betterware Ireland | YES | YES | YES | WEEE YES | Reg-Pending | Reg-Pending |
| 00825W | Bewley's | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00310WB | Beyond 2000 Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00538WB | BHT Group Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 01489WB | Big Bear Sound Ltd | YES | YES | | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending |
| 00496W | Bijur Delimon International | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01445WB | Bio- Sciences Ltd | YES | YES | | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending |
| 00189WB | Bio-Medical Research Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00598W | Bitech Engineering | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00938 | Bizmart Ltd | YES | NO | | YES | YES | YES | NO | NO | NO |
| 00415WB | Black & Decker (Ireland) | YES | YES | | YES | YES | YES | YES | YES | YES |
| 01195WB | Blackbird Data Systems Ltd | YES | YES | Zetes Ireland | YES | YES | YES | YES | YES | YES |
| 01542W | Blackchurch Leisure Co. Ltd | YES | NO | | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending |
| 00797W | Blackhall Pharmaceutical Distrubutors Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00066WB | Bluestone Sales and Distribution Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 01089W | BMC Digital Ltd | YES | NO | | N/A | YES | YES | YES | YES | Reg-Pending |
| 01264WB | BMW Automotive (Ireland) Ltd | YES | YES | BMW Group Ireland | YES | YES | YES | YES | YES | YES |
| 01459WB | BNR Ltd | YES | YES | | N/A | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending |
| 01021WB | BOC Gases Ireland Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00587W | Bodel Distributors Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00241WB | Boots Retail (Ireland) Ltd | YES | YES | Boots | YES | YES | YES | YES | YES | YES |
| 00326WB | Bose GP | YES | YES | | YES | YES | YES | YES | YES | YES |
| 01175WB | Bose SMS Limited | YES | YES | | N/A | N/A | N/A | YES | YES | Reg-Pending |
| 01440W | Bowe-Systec (Irl) Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00346WB | BPI Telecom Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00975WB | Brandon Marketing Ltd | YES | YES | | YES | YES | YES | YES | YES | Reg-Pending |
| 00741WB | Brett Supplies Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00451W | Brighter Image Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01503WB | Broadway Incentives | YES | YES | Brand Addition | N/A | N/A | N/A | N/A | YES | YES |
| 01014W | Broderick Bros Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00079WB | Brother International Corporation (Ireland) Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00452W | Brown Thomas & Co. Ltd | YES | NO | | YES | YES | YES | YES | YES | Reg-Pending |
| 00500W | Bryan S. Ryan Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 01311W | BSH Home Appliances Ltd | YES | NO | | N/A | N/A | N/A | N/A | YES | YES |
| 00331WB | BT Communications Ireland Ltd | YES | YES | BT Ireland | YES | YES | YES | YES | YES | Reg-Pending |
| 01161W | BUA International Ltd | YES | NO | | YES | YES | YES | YES | YES | Reg-Pending |
| 01031W | Buggy Refrigeration Services | YES | NO | | N/A | N/A | YES | YES | YES | YES |
| 01303W | Bunzl Ireland Ltd | YES | NO | Irish Merchants | NO | NO | NO | N/A | YES | Reg-Pending |
| 00404WB | Burke Brothers Son & Company Ltd | YES | YES | Burke Bros and / or Ashtown Trading | YES | YES | YES | YES | YES | YES |
| 00620W | Bushell Interiors Ltd | YES | NO | | YES | YES | YES | YES | YES | YES |
| 00477W | Business & Scientific Services Ltd | YES | NO | Business & Scientific Services Ltd | YES | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending | Reg-Pending |
| 00107WB | Business Electronic Equipment Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00932WB | Business Improvement Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 00423WB | Business Management Systems Ltd | YES | YES | | YES | YES | YES | YES | YES | YES |
| 01412W | By-Tek Office Systems Ltd | YES | NO | | N/A | N/A | N/A | N/A | YES | YES |
| 01141WB | Byrne's World of Wonder | YES | YES | | YES | YES | YES | YES | Reg-Pending | Reg-Pending |