Hot Dip Galvanizing and Paint Systems, Access Covers and Drainage Systems. Galco have been at the forefront of the galvanizing industry in Ireland for the past 50 years. Through this time we have built up a core understanding of what is required by our customers. With a wealth of experience and our strategically placed state of the art plants located around the country the quality and turn around we offer are of the highest standard. Galco are also a leading provider of surface water management solutions for modern urban landscapes. We supply a wide range of Access Covers and Drainage Systems. With an in-depth understanding of the market and technical support we can provide the complete drainage package for all needs and applications.