And they have pursued new customers in unlikely places.

But the marketing companies can sell the updated addresses to other businesses, enabling catalogue companies, for example, to pursue potential customers from one address to another.

Fingerhut is making large profits pursuing customers whom most cataloguers would not waste postage on.

"We're reserving our right to pursue customers for payment," Ms. Schulz said.

Should they pursue lost customers?

Toyota ultimately decided to pursue customers it calls "true truckers."

In 1996, the company started pursuing customers beyond the D&B fold.

He plans to pursue younger customers by making the store more service oriented and by adding more designers.

He said the company would contin ue to pursue large commercial and industrial customers in California.

But the Fingerhut Companies is making large profits pursuing customers that most cataloguers would not waste postage on.