Menlo Systems' Optical Frequency Combs are robust, turnkey systems for 24/7 operation, ranging from portable and compact to ultrastable laboratory systems for the most demanding applications at the 10-18 level. These combs are being used in laboratories all over the world in applications such as optical clocks, mid-infrared spectroscopy, atomic physics, laser calibration, and microwaves with world-record low phase noise. Menlo Systems' frequency combs can range from the UV into the mid-IR spectral region.