Design Build Olympia . The registered agent on file for this company is national registered agents, inc. If you have any questions please email us at contact@olympiaconstruction.net. Exhibition Services Royal Windsor Racecourse Olympia London Stand from www.pinterest.com The registered agent on file for this company is national registered agents, inc. We are a builder contractor located in alexandria, nsw in south sydney area, specialising in residential building design and construction.if you’re looking for a residential building contractor that offers competitive and reasonable pricing based on your budget, then we are here for you. The registered agent on file for this company is c t corporation system and is located at 711 capitol way s ste 204, olympia, wa 98501.