Nearly 200 new jobs are coming to Marshalltown after a company named Marshalltown, which is based in Long Beach, California, acquired Wal-Board Tools. The two companies competed in the drywall industry for more than 75 years.All of Wal-Board's nearly 300 products will be incorporated into the Marshalltown catalog.Marshalltown recently expanded its location by 60,000 square feet. The company has been in business for decades.