The National Association of Manufacturers, a trade group representing 14,000 small and large companies, said 93% of members surveyed last month were positive about the economic outlook -- the highest in the survey's 20-year history.
Jay Timmons, the organization's president and chief executive, said members have responded strongly to Trump's plans to cut the corporate tax rate to 15%.
"He went directly at the problem we have. We are simply not as competitive because of how our tax are structured," said Timmons. "Frankly, we were pretty proud that he stood up for us."