Throckmorton PreCast Concrete Inc., proudly serving the sewer, water, and gas industries in the southeast since 1996. Initially dedicated primarily to the sewer manhole market TPC Inc. has expanded its knowledge and skill base to serve many infrastructure based business' and suppliers as well as manufacturers with its products and services. We now offer full fabrication services from the design stage to manufacturing of products. TPC also offers refurbishment of specialty equipment related to the sewer, water and precast concrete markets as well as consultation services for those markets.