The George L. Throop Company is a producer of building materials. It specializes in concrete services, with capabilities in on-site concrete, grout production, mobile batch plants, color matching on grout and concrete, custom concrete, grout mix designs, filter media and emergency response. It also has capabilities in hardware and lumber. The George L. Throop Company serves clients in freeway and highway repair, airport, city concrete repair, marine, nuclear and filter media industries.