Jensen MetalTech designs, engineers, and manufactures steel and aluminum access hatches, doors, covers, and grates for utilit ... y applications including: Electric Distribution & Transmission Pullbox, Manhole, Trench, & Vault Covers Telecom & Fiber Optic Pullbox, Manhole, & Vault Covers Water Meter Vault Access Covers Pressure Reducing Station Access Hatches Backflow Preventer Vault Covers Fire Service Vault Access Hatches Natural Gas Distribution Vault Hatch Covers Steam Trench Covers Each Year, we manufacture thousands of access hatches, doors, covers, and grates for utility companies and agencies. Jensen MetalTech provides our customers with industry leading engineering designs and load testing to insure maximum service life and minimize problems. Jensen MetalTech will custom build to any specified design or requirement. We also have a vast array of standard products and sizes available. read more