With health care reform, Congress is prepping to reshape roughly one-sixth of the economy. When a final health care bill emerges, it will almost certainly run hundreds of pages and could dictate the fortunes of everyone from hospitals to software companies.

Big pharmaceutical and insurance companies have poured millions of dollars into lobbying over the broad strokes of the legislation. But even the details will send shocks through smaller players across the country, and they’re spending money on K Street, too.