One of Pasco County's largest private employers is expanding.Pall Aeropower Corporation, a subsidiary of Pall Corporation, is adding 56 jobs — a 10 percent increase in its workforce — at its 57-acre location off Ridge Road near New Port Richey. The company engineers and manufactures fluid equipment for aircraft and aerospace industries, including defense programs. The county said Pall Aeropower is considered the world’s largest aerospace and defense filtration company.“We are growing very, very fast. Everybody’s flying,’’ said Roberto Gregori, Pall Aeropower's vice president and general manager.As part of the expansion, Pasco County offered a $280,000 job-creation incentive. The new jobs will pay an average annual wage of $79,000, more than double the county's average salary.The company employs 518, according to the Pasco Economic Development Council. With the additional employees, the company will become the county's largest employer outside of health care, government and education.The expansion represents a $15 million capital investment from the company, according to the county. Gregori said that multi-year investment includes new precision machinery and a training facility.Contact C.T. Bowen at [email protected] or (813) 435-7306. Follow @CTBowen2.