McCar is the premier manufacturer and deliverer of aggregates in and around the Austin, Texas metroplex. Focused on the highest levels of material quality, customer service and safety. DISCLAIMER McCar Companies social media channels share information about our company, our products and our people. We welcome commentary expressing all points of view – positive and negative – but reserve the right to remove posts that are off-topic, offensive, promotional or illegal or contain inappropriate language, hate speech, proprietary information, personal data or personal attacks.