Columbia Machine is a company that offers “complete equipment lines to customers in more than 100 countries,” according to their website. McCauley said the scene remains active, but that there is no threat to the community. CNN contacted additional authorities for more information. The Baltimore Office of Alcohol, Tobacco, Firearms and Explosives Office posted on Twitter that special agents were assisting the sheriff’s office with the incident. This is a story that is evolving and will be updated.