The company specialised in iron castings including lamp-posts, manhole covers, ornamental ironwork and agricultural machinery. William Grafton became a partner and in 1830 Carter moved to the Eagle Foundry in Leamington Hastings, Warwickshire.
The company's expertise lay in creating iron castings for everyday objects like lamp posts, sewer covers, decorative metalwork, and farm machinery. William Grafton became a business partner, and two years later, Carter relocated to the Eagle Foundry in Leamington Hastings, Warwickshire.