I believe SOG was issued by SAF in the past. SOG has the best pliers.
As for serrations - you need to understand the mechanics behind sharpening serrations. At the factory, the serrations are ground in by using a wheel with the serration pattern ground in the wheel - so some have the spyderco type serrations some have the cold steel type etc. In order to sharpen serrations properly, you need to be able to get into the edge of the serrations which means that the contact point of the abrasive has to be similar or smaller in diameter to each 'serration'.
Most serrations sharpeners are either a rod type (conical) (DMT) so that you only need one rod to get into each serration. Some use the corners of a stone to 'slide' in and out of each serration (spyderco sharpmaker, gatco etc).
I like the sharpmaker as it is versatile - you can sharpen both the serrations and the plain edge in one stroke. To strop the serration (if you want to polish it a little, although it kinda defeats the point), just use a small diameter shoelace, rub some stropping compound in it and slide it up and down each serration.
[I hate serrations but they have their place for cutting nylon rope]. Personally I would send it back to factory - I've never seen anyone sharpen serrations better than factory, although a lot of steel is removed at factory.
Or in the case of SOG, you should be able to buy a replacement blade. In that case, you might even be able to choose the plain edge instead to save you trouble for future sharpening.