Sumas Chamber of CommerceA Message From the Chamber President! Welcome to the Sumas Chamber of Commerce Web Site. Sumas is a small community located in Northwestern Washington …
City of Sumas - Sumas Washington WA - AmericanTowns.comJul 18, 2011 · History: Sumas, Washington has always been a bit different from other cities its size. The small city was out in front with an electrical light system at ...