For a decade, CustomerLink Systems Inc. has been sending postcards and e-mails on behalf of auto repair shops to customers to remind them it’s time for an oil change or that 60,000-mile checkup.

With more than 3,000 auto repair shops as clients nationwide and revenue of about $10 million, the Roseville company has succeeded in its small niche.

Now, CustomerLink is rolling out new technology that will allow the company to expand beyond auto repair shops