A & K Mackay Building Company Pty Ltd Home ›› Local Listings ›› NSW ›› Beresfield ›› A & K Mackay Building Company Pty Ltd NSW Construction Beresfield, NSW 2322 Allan MacKay02 4022 8777https://mackaygroup.com.au A & K Mackay Building Company are a reputable business, servicing the Newcastle and Hunter Valley regions. We specialise in residential and commercial developments including: multi-unit developments, duplexes, large residential homes and industrial complexes. With a trusted reputation in the area, we complete all projects to the highest quality