All Industry companies in Holywood
- Alexander Marketing - Holywood
- All About People - Holywood
- Ambition Printing - Holywood
- Annett Engineering Ltd - Holywood
- Archem - Holywood
- Art & Home - Holywood
- Brian W Murray Ltd. - Holywood
- Building Design Services (Ni) Ltd - Holywood
- Business Micro Systems - Holywood
- Coastal Clear Water Ltd - Holywood
- Coastal Inustrial Ltd - Holywood
- Compton Communications - Holywood
- David Ferguson & Associates - Holywood
- Dbs Isherwood Ltd - Holywood
- Des Ewing - Holywood
- Dr D Lavelle & Associates Ltd. - Holywood
- Eddie Wier - Holywood
- Elizabeth Ballard Bookbinders - Holywood
- Extra Vision (Holywood) - Holywood
- Food Consultancy Services - Holywood
- Food Consulting Ltd. - Holywood
- Gbm Industrial Coatings - Holywood
- Gordon McKnight - Holywood
- Grainger Building Services Ltd. - Holywood
- Holywood Mortgage Centre - Holywood
- Ideachip - Holywood
- Kgb Design - Holywood
- Ljk Communications - Holywood
- M C Mageire - Holywood
- Marc Ballard Riba - Holywood
- McCaughan Associates - Holywood
- McCready Sailboats Ltd. - Holywood
- Ministry of Defence (Holywood) - Holywood
- Morrow Communications Ltd. - Holywood
- Mouchel Parkman (Ni) Ltd - Holywood
- Mountain Trail - Holywood
- Navajo Talk Ltd - Holywood
- Pentland Macdonald Ltd - Holywood
- Premiair Refrigeration & Air Conditioning Ltd - Holywood
- Priory Press - Holywood
- Proserve (Ni) Ltd - Holywood
- Putech Ltd - Holywood
- Remx Co. - Holywood
- Robert Allister - Holywood
- Rotor-Care Ltd - Holywood
- Royal Belfast Golf Club - Holywood
- Smarts (Ni) Ltd - Holywood
- Somers Recruitment Ltd. - Holywood
- Steria Ltd - Holywood
- Synergy Learning - Holywood
- The Crossle Car Co. Ltd. - Holywood
- The Internet Business Ltd - Holywood
- The Ulster Weaving Co. Ltd - Holywood
- Ulster Weavers Apparel Ltd. - Holywood
- Zapcat Ireland - Holywood