In the never ending quest to identify companies that are hiring, get a boost from Forbes.

Here is Forbes‘ list of the 10 public U.S.-based companies whose headcount grew the most last year. Our list, based on data from FactSet, excludes companies whose increased headcounts are simply due to acquisitions. The data does not break out how many of the new jobs are domestic positions.

Cognizant Technology Solutions, Teaneck, N.J.
Computer Outsourcing
Hired: 16,700                                      Total Headcount: 78,400
The company built new computing centers in India–but also hired in its Phoenix delivery center.

Lowe’s, Mooresville, N.C.
Home Improvement Retailer
Hired: 10,000                                      Total Headcount: 238,000
This big box retailer opened 60 stores in the U.S. last year.

Tyson Foods, Springdale, Ark.
Meat Producer
Hired: 10,000                                      Total Headcount: 117,000
Chicken grower added poultry processing jobs in the U.S. and new international operations. » Read more: Job Opportunities: Top Hiring Companies in 2009