After graduate school, Jeffrey Brown joined Armstrong World Industries in Labor Relations/HR holding positions in Lancaster, PA; Pensacola, FL, Los Angeles, CA and back to Lancaster. After being there a year he was promoted to Manager Training and Development and conducted seminars for Armstrong customers around the country. Brown was named as one of six senior salesmen to a new division of Armstrong, Corporate Markets Sales Organization, based out of Dallas, TX respesenting all Armstrong products and services to all major home builders in the Southwest. During this time, he was named Salesman of the Year. In 1975, Brown was recruited by Milliken and Company and over a 6 year period had several promotions leading to Business Manager Contract.