Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.
2016 Currently trading.'Group consists of HDM Steel Pipe Inc, (HDM Celik Pipe Inc), HDM Spirally Welded Pipes Inc, HDM Tubes Ltd UK, HDM Foreign Trade Inc. HDM Quality Control Ltd. HDMs driving force is steel pipe production. Group owns and operates 3 pipe mills, 2 in Turkey and 1 in UK reaching to 150,000 mtons/year of production capacity.'