BERLIN—Siemens has built the world’s largest rotor blades for wind turbines. With a length of 75 meters, the giant fiberglass will be installed on a wind turbine in Denmark.

ST. AUGUSTINE, FL—2G Cenergyis, a manufacturer of biogas furnaces and electrical generators, is opening a new assembly plant here. The facility plans to hire 125 people over the next four years.

ST. MARTIN, LA—Forum Energy Technologies is spending $19 million to build an assembly plant here to make drilling equipment for oil and gas. The plant will employ 125.

INDIANAPOLIS—Crosspoint Solutions plans to hire up to 75 people to work at its new assembly plant here. The company makes battery-powered auxiliary power units for trucks.

LEXINGTON, NE—Agricultural and industrial equipment company Orthman Manufacturing Inc. has broken ground on a new assembly plant here that will create 100 jobs.

CLARKSDALE, MS—HVAC equipment maker AirGuide Manufacturing is moving some factory jobs from Mexico to an assembly plant here.

COLUMBUS, IN—Supply chain management company The Phoenix Group has begun building a $15 million assembly plant here.

MAPLETON, ND—To accommodate significant growth, agricultural equipment manufacturer Horsch Anderson has begun building a new assembly plant here. The plant will employ at least 80 people within five years.

JOLIET, IL—Caterpillar Inc. has reached a tentative six-year deal with the union representing almost 800 striking workers at the company’s assembly plant here. The workers had been on strike since early May seeking better wages and health care benefits.