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ADDCO Manufacturing Company, Inc. produces the world's broadest line of automotive anti-sway bars and associated components. In addition to being the recognized leader in aftermarket suspension parts, we are a proven, high quality provider to the OEM market, offering the responsive and cost-effective service that only a lean, flexible, state-of-the-art manufacturer can provide.

With more than 52 years of experience in the suspension industry, ADDCO has achieved ISO 9001/QS-9000 certification, and has earned the unqualified confidence of both OEM and aftermarket manufacturers.

OEM production parts, service parts, and performance anti-sway bars and associated parts
After market high-performance anti-sway bar kits, encompassing more than 1,200 vehicle specific applications
Shift rods and other cold formed/forged components
Series III

First company to incorporate polymers into stabilizer bar bushings
First and only manufacturer to develop ��cold forming�� of pre-hardened bar stock to prevent heat treat deformation and to retain material specifications in extreme use
First and only manufacturer with the capability to produce both solid and tubular bars, top diameter of 2 1/8�� and 3�� respectively
First to develop and patent an ��in-cab�� disconnecting anti-sway bar system

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