Yesterday, Donald Trump's White House threw a potential scare in the state's and the national recreational marijuana use businesses when it said the administration may get tougher with enforcing recreational pot laws.

"I do believe you'll see greater enforcement of it," White House Press Secretary Sean Spicer said at a Thursday press conference, adding that it's "something the Department of Justice will be further looking into."

That didn't set well with national marijuana advocates, who said "a federal crackdown on recreational cannabis could cost industry billions and thousands of jobs."

"Legal cannabis has been one of the fastest growing industries in the country for the past three years and any disruptions would substantially impact the economic activity stemming from this industry," said Giadha Aguirre De Carcer, CEO of marijuana data company New Frontier Data of Washington, D.C., in a statement.

In Colorado, marijuana advocates also reacted with concern.

"We do not believe the Trump Administration will take significant action to shut down the recreational cannabis industry in states like Colorado, where the cannabis industry employs tens of thousands of people and contributes more than $100 million in taxes annually, mainly towards state education systems," said Isaac Dietrich, CEO of Denver-based marijuana technology platform MassRoots Inc., in a statement.

Read more at the Denver Business Journal: The article has been updated with more local voices.