At the show, Terra Chips introduced its Terra Blues, made from blue potatoes.

Over the last three years alone, he has acquired half a dozen companies, with brands like Terra Chips and Health Valley cereals.

While Terra Chips has a distinctive name, product and package, the campaign's goal is to increase sales.

Terra Chips were in the mainstream; now they had to be mass-produced.

Since Terra Chips started being produced on an industrial scale, Mr. Acree said, sales have doubled every year.

The story of Terra Chips underscores what some economists say is an end to the retreat of manufacturing in the city.

In recent months, Terra Chips have gone on sale in single-flavor bags.

For their part, the owners of Terra Chips say they are weighing alternatives and have made no major decisions.

Terra Chips, a brand of mixed vegetable chips, are on sale for $3.99 for 6.5 ounces.

On a recent visit, a bag of Terra Chips, the potato-chip alternative that usually retails for $4 and up, cost $2.81.