| 1948 | Established as Sultan Chinoy & Company. |
| 1949 | Incorporated as International Industries Limited & sponsored Pak Chemicals Limited, Pakistan. |
| 1953 | Sponsored Pakistan Cables Limited in a joint venture with BICC UK. |
| 1965 | Manufactured first high quality Electric Resistance Welded Steel Pipe. |
| 1983 | Launched Galvanized Pipe. |
| 1984 | Converted to a public limited company and quoted on Karachi Stock Exchange. |
| 1990 | Set up the country's first Cold Rolling Mill in the private sector. |
| 1992 | Turnover crossed Rs.1 Billion. |
| 1995 | Entered the international market with export of galvanized pipe. |
| 1997 | Achieved certification to ISO 9001:1994. |
| 1998 | Commemorated 50 years and awarded international credit rating. |
| 2000 | Achieved certification to ISO 9001:2000 (first company in Pakistan) and ISO 14001:1996. |
| | Merit Trophy for Export of Non-Traditional Items Galvanized Steel pipes. |
| 2001 | Achieved certification to API Q1 & 5L (2000) and completed phase 1 of a major expansion enhancing the pipe and tube manufacturing range. |
| | Best Exports Performance Trophy for export of Engineering Products-Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE. |
| 2002 | Best Exports Performance Trophy for export of Engineering Products-Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE. |
| 2003 | Crossed 100,000 tons in production and sales. |
| | Best Exports Performance Trophy for export of Engineering Products Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE. |
2004
| Best Exports Performance Trophy for export of Engineering Products-Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE.
|
| 2005 | Completed phase 2 of major expansion with the addition of four tubemills and a slitter. |
| | Crossed 150,000 tons in production and sales. |
| | Best Exports Performance Trophy for export of Engineering Products-Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE.
|
| 2006 | Commissioned 3 MW Co-generation Power Plant. |
| | Commenced Manufacture of Polyethylene Line Pipe. |
| | Best Corporate Report Award -- Second Position in Engineering Sector. |
| | Best Exports Performance Trophy for export of Engineering Products-Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE.
|
| 2007 | Added 1 MW to the existing 3 MW Co-generation Power Plant. |
| | Commissioned the 4th Galvanizing Plant. |
| | Addition of 3 tubemills and 1 Plastic extruder. |
| | Achieved Certification to OHSAS 18001:1999 |
| | Best Exports Performance Trophy for export of Engineering Products-Mechanical. |
| | Recipient of Top 25 Companies of Pakistan at KSE.
|
| 2008 | Commenced project to produce Cold Rolled & Galvanized Steel Flat Products. |
| | Commissioned 18 MW gas fired power plant for the new project. |
| | Turnover crossed Rs. 13 billion. |
| Won the Annual Environmental Excellence Award. |