Oil City Iron Works is an established American foundry, pattern-maker and machine shop based in Corsicana, Texas, specialising in grey and ductile iron castings. They offer a complete in-house service, including prototype development, precision machining, pattern-making, metal coating and heat treatment across their 25-acre facility. The company holds ISO 9001:2015 certification and maintains an impressive rejection rate of less than 1% annually. Referrals work well for businesses needing custom iron castings or precision machining, or those seeking a single supplier to consolidate multiple manufacturing stages.