What are some common brands of caliper gages? As a very common tool, you are likely to find a caliper gage under almost any precision measurement company brand name. Different brands may specialize in different caliper gage designs or sizes. At Higher Precision, we carry a huge selection of caliper gages produced and distributed by four of our favorite precision measurement businesses. We offer caliper gages from Mitutoya, Fowler, Spi, and Insize. Each of these brands offers standard caliper gages, dial caliper gages, digital caliper gages, internal caliper gages, external caliper gages, inch caliper gages, and metric caliper gages. If you need a caliper gage, we have one for you. It is just a matter of determining the best design for your intended precision measurement job.