About Us » Superior Manufacturing SUPERIOR Manufacturing designs and manufactures the broadest range of pipeline, construction and renewable equipment on the market. Skip to main content; Menu. Products. Pipelayers. Superior Pipelayer SUPERIOR Manufacturing designs and manufactures the broadest range of pipeline, construction and renewable equipment on the market. Skip to main content; Menu. Products. Pipelayers. Superior Pipelayers. All Models; SX-260; SX-460; SX-660; SX-70VG; SPX-960/960 SV; SX-100RT; Converted Pipelayers. All Models; SP-561; SP-572; SP-583;