Pin Foundations, Inc. Gig Harbor-Washington-United States Share Post Facebook Twitter LinkedIn Pinterest Save Submit Review Listing Description Diamond Pier is a structurally-rated, code-compliant foundation system for decks, porches, pergolas and more. Show more Show less Exhibited GE25PSP Booth Number: 3448 EXHID: 2415 Visit Event Profile Be the first to review “Pin Foundations, Inc.” Cancel replyYou must be logged in to post a review. Be the first to review “Pin Foundations, Inc.” Cancel replyYou must be logged in to post a review.