Swimming Pool Design & Construction. We design pools which are artistic yet functional, thus giving you the best! Learn More Alderete Pools is an Orange County Pool Builder specializing in custom pool designs in Southern California. Call 800-492-7289 to schedule an appointment. Penguin Pools is the #1 swimming pool builder in WI and MN for vinyl, fiberglass and concrete inground pools, and above ground pool or hot tub installation. Coral Stone is an exclusive importer and distributor of luxury coral stone tiles, pavers and pool coping for pool decking, interior flooring, wall veneer and pieces of craftsmanship. Awarded Best Choice Natural Luxury Pool Stone. .