Balfour Beatty is a large British infrastructure and construction contractor. It is the 19th largest contractor in the world and the single largest fixed rail infrastructure contractor. Its construction division specializes in "building, design, construction management, refurbishment and fit-out, mechanical and electrical services, civil engineering, ground engineering and rail engineering" (Company Website).
"Amec, Kvaerner and Balfour Beatty were among the firms taken part in a high-profile trade delegation to Iran, led by construction minister Nick Raynsford." (Finacial Times. "Trade mission to Iran," 7/14/00)
Balfour Beatty has a UAE-based subsidiary called Dutco, which in turn has a subsidiary called Gulf Cobla LLC, which is described as having "major projects" in a list of countries including Iran.