National Plant Services. About Us. National Plant Services, headquartered in Long Beach, California, with an office in Hayward, California. . offers a full line of high-tech robotic sewer condition assessment, rehabilitation, and repair services. As part of the Carylon Corporation, a nationwide collection of 14 best-in-class companies, we have vast resources, expertise, and decades of experience to get the toughest jobs done right. Having been in...
