SANDY, UT—Spectrum Plastics Group doubled the size of its manufacturing facility for vascular technology here to 100,000 square feet as part of an expansion expected to create 100 jobs.

OGDEN, UT—Northrop Grumman Corp. recently broke ground here on the future headquarters for its Ground Based Strategic Deterrent program, which is slated to add 2,500 jobs.

PROMONTORY, UT—One person was injured as a result of an explosion late Thursday afternoon at Autoliv’s air bag assembly plant here.

SALT LAKE CITY—For a fourth straight year, Utah posted a significant gain in manufacturing employment. Utah manufacturers added 3,798 jobs from September 2013 to September 2014, a 2.2 percent increase.

SALT LAKE CITY—Varian Medical Systems, a manufacturer of X-ray equipment, broke ground Wednesday on a new expansion project at its assembly plant here and create 1,000 new full-time jobs in the state over the next 20 years.