TBS Construction has been operating for more than 25 years in Naperville, Ill. The company offers full-service concrete work for light commercial, industrial, shopping center strip malls and warehouse buildings. It has a staff of over 75 employees. TBS Construction has nearly 7 wall, approximately 8 flatwork and more than 4 excavating crews. The company offers excavation, water, sewer, foundation and flatwork services. Its products include Boman Kemp basement window units; Mar-Flex quick seal, concrete curing compound and brick sealers; and Mar-Koet waterproofing and Mar-Flex crack injection systems.