I noticed a couple of times that they drag out the time when they are working, show up late and over bill hours. I have to use them because they did all of the electrical in the business I manage and seem to be the only ones who stock and understand the complicated light fixtures we have. (Which always have problems, not their fault I think).
Pros: seem to have the right materials in supply
Cons: overbill for hours, show up late
more