Nearly 93 percent of manufacturers are projecting further expansion for their businesses, and positive sentiment among smaller companies is up to 91.3 percent, according to a quarterly survey from the National Association of Manufacturers. It's one of the best outlooks the group has seen in the 20 years it has conducted the survey among its 14,000 members.

"We used to be happy when that number would get up to the mid- and high 50s," Chief Executive Officer Jay Timmons told the Washington Examiner.

Many of the Trump administration's largest achievements have been overshadowed by simultaneous controversies, but the strength of the U.S. economy has earned accolades even outside of the conservative base. While only 38 percent of voters approve of President Trump, 70 percent say the U.S. economy is "excellent," according to a Quinnipiac University poll released in September.