Wendt starts on the 5th of December 2000 with a branch in the USA and on the 14th of March 2001 in the UK. . If the only tool you have is a hammer you tend to see every problem as a nail. Paul Watzlawick . North America Headquarter. WENDT USA LLC. 259 Chicago Street Buffalo New York 14204. SUPPORT 1 716 972 - 0333 Toll Free 1 866 .