According to our records, this business is located at 4400 N 32nd St # 105 in Phoenix (in Maricopa County), Arizona 85018, the location GPS coordinates are: 33.5010051 (latitude), -112.01332 (longitude). One Source Employer Service is categorized under Aviation Pilot Services (SIC code 7363). Known organization manager is Steve Klaproth. Current estimates show that the unit has a sales volume of $600,000 and staff of approximately 12 people. You can contact the company by phone at (602) 553-8300; the following fax number is also provided: (602) 553-8308.