Technology borne of 100 years of American ingenuity and integrity.

NCLAMP clamping mounts are a trademark brand of our company, S. H. Pierce & Co., founded in 1989 in Cambridge, Massachusetts. We hand assemble and test each clamp to ensure your satisfaction.

Our clamping mounts represent an integration of a number of components manufactured by two iconic American companies, the Adjustable Clamp Company of Chicago, Illinois, and RAM Mounting Systems, Inc. of Seattle, Washington.

stern light with jam cleat and tension cable

The Adjustable Clamp Company, founded in 1903, manufactures clamps and tools, including the JORGENSEN® and ADJUSTABLE® brandnames and the PONY® — a spring clamp renown worldwide for its strength and durability. The PONY is used exclusively in our nClamp spring-clamp products. ACC products are made in the U.S.A. For more info visit

stern light with jam cleat and tension cable

RAM Mounting Systems, Inc., founded in 1994, is the premiere manufacturer of mounts, cradles and holsters deployed for use in harsh outdoor environments and challenging applications. RAM Mount's marine-grade, ball-and-socket system outperforms all competitive mounting solutions. RAM products are made in the U.S.A. For more info visit

stern light with jam cleat and tension cable

At S. H. Pierce & Co. we add our own premium-grade components to each NCLAMP including a nylon-coated bungee tether, a plated steel breech clip to secure your valuable electronic devices, as well as industrial bushings, washers and jam nuts.

Twice as rugged at half the price.

We've worked with our suppliers to produce a clamping mount that is rugged, reliable and affordable. PONY clamps are nickel-plated steel and our RAM components are marine-grade composite and anodized aluminum.

For a list of competitive spring-clamps, visit our Frequently Asked Questions. Our track record of service and quality, and that of our partners, is unsurpassed. For further information, please contact us.

NCLAMP brand products and the component parts of our suppliers are manufactured and assembled in the U.S.A.

Proudly made in the U.S.A.