In the FM's "Ugly Duckling" column in the May 22 edition, Buildmax was recommended "if you're looking for a small construction company that is heavily exposed to the booming coal mining sector". There was a R255m impairment, but with more than 20 coal mines planned, there is a lot of upside. Buildmax says the level of general investment in coal mining in SA looks set to continue and it expects continued revenue and earnings growth.