Sealmaster, 4600 Littlejohn St, Baldwin Park, CA 91706, US

NewBasis offers some of the highest quality, most durable plastic, fiberglass and polymer concrete enclosures in the industry. For this reason, the company has been a principal supplier to companies large and small for more than 50 years. From its principal manufacturing location, and a network of production facilities and distribution centers located strategically throughout the United States, Mexico, Central America and Asia, the company delivers a large selection of products directly to customers in their local markets throughout the world. NewBasis has one of the industry's most extensive lines of boxes, handholes, vaults, manholes and foundation support systems made from high-density plastic, fiberglass and polymer concrete. The company serves a variety of industries, including telecommunications, power and electrical, public works and transportation, water and landscaping and construction. NewBasis is headquartered in Riverside, Calif.