Neenah Foundry Company manufactures cast iron infrastructure products including manhole covers, inlet frames, grates, and access covers for underground utilities and water systems. The company, now part of Charlotte Pipe and Foundry's infrastructure division, specialises in solutions for managing underground infrastructure with an emphasis on safety and security features. They operate distribution centres and foundries across multiple US locations and offer technical support through resources like case studies and lunch and learn sessions. Referrals suit companies needing reliable manufactured cast iron infrastructure components or looking to connect clients with established suppliers in the water, gas and public works sectors.