Stimulation services are used in the completion of new oil & natural gas wells and in remedial work on existing wells, both onshore & offshore. Stimulation services comprise fracturing, acidzing, sand control, nitrogen, coiled tubing and service tools.

Stinger impact bits consists of lead screw, hardened steel cutting spur and carbide cutting tip. The stinger bores a very clean and smooth hole in all poles. Lead screw, hex shanks and cutters can be rebuilt.

The function of a stirrer is to agitate liquids for speeding up reactions or improving mixtures. It is constructed of various types of exotic metals. It operates by generating a rotating electromagnetic field in the stirring heads.

Stirrups are the foot supports of the saddle, usually made of wood, sometimes bound in iron, brass, or rawhide, but often all iron or brass. Stirrups are at the end of the broad leathers that hand from the bar of the saddletree, called stirrup leathers. The vertical, wide leather shield sewed at the back of the stirrup leathers are called rosadero. The heavy leather shields sewed on the outside of the stirrup leathers are fenders. It is a footrest for a person using a riding animal and used as a support for the foot of a rider when seated in the saddle and as an aid in mounting. It greatly increases the rider's ability to stay in the saddle and control the mount.