OS Mats is a product of Premier Concrete Products, Inc. Premier Concrete was established in 1986 in Houston, TX starting with ... block and ready mix products. In 2000, a new block and ready mix plant was built in Denham Springs, LA, and is now our main manufacturing location. OS Mats are commonly used for pipeline protection, separation, spanning, & ballasting. We offer the following: • 4.5", 9” and 12” Mats • Both 8'x20' and 8'x40' with single or double side pipeline protection coating • ROV operable lifting frames that can deploy anywhere from 2 to 18 mats per lift • Onsite support during mobilization and offshore • Lunch and Learn opportunities so you can meet our team and better understand the product and services We can also mobilize closer to your MOB site to accommodate larger mat quantities, and easier MOB out. Please contact us for all of your mat needs, both onshore and offshore. read more