American Signal Company (AMSIG) is a manufacturer of a comprehensive line of programmable changeable message sign products, both stationary and portable, suited to a variety of informational and traffic control applications. Additionally, AMSIG manufactures signs, signals, and systems for traffic control and congestion mitigation for situations or incidents that recur frequently or at cyclical intervals (i.e. reversible lane usage, school zone speed limits, weigh station operations, etc.).

AMSIG's changeable message sign products, while manufactured with individual and unique features and characteristics, share a common background with respect to parts, programming protocol, and operational features. This commonality among products assures that quality and cost-effectiveness are never compromised regardless of which AMSIG product best meets pertinent operational requirements and purchasing constraints.

For additional information about specific AMSIG products and services, click on a button to the left, or contact us. We trust you will find this web site interesting and informative. Thank you for visiting and for providing us the opportunity to tell you about our products.