E Source Cos. LLC, a data-science company that serves the utility industry, has acquired power systems engineering firm CF Power Ltd.

LYNNWOOD — When everyone was looking in wonder a few years ago as the first 777 came down Boeing Co.’s moving production line, the folks at Nova-Tech Engineering were marveling at the factory floor.

Peoria, Ill., without Caterpillar (CAT)? Benton Harbor, Mich., without Whirlpool (WHR)? Columbus, Ind., without Cummins Engine (CMI)? One of America’s under-appreciated relationships is the one ...