4 manufacturers stood out as providing the worst technical support to ~200 integrators in new IPVM results. These integrators answered:
In the past year, what manufacturer has provided you the worst technical support? Why?
In this note, we examine the problems for these 4 manufacturers - 3 American companies and 1 from China - including detailed integrator commentary on the problems faced. Plus, we compare to 2018's Worst Manufacturer Technical Support results.