TerraTherm Inc., a Gardner-based toxics remediation firm, has won a government contract to clean up an organic pollutant that has accumulated at a Vietnam airport, it announced.
Gardner-based Precision Optics Corp. increased its sales in the second quarter by 1 percent, but its losses nearly doubled due to several settlements with investors, it reported this week.
GFA Federal Credit Union's acquisition of a New Hampshire bank will be completed Friday, nearly 10 months after the Gardner institution announced it would buy the bank for about $6.4 million in cash.
New Hampshire-based Unitil Corp., which provides electricity and natural gas to a handful of communities in northern Worcester County, said it has issued rebates for 25 municipal energy efficiency projects over the past 20 months.