> J. D. MEDICAL DISTRIBUTING COMPANY INC. Arizona Since: 1979 J. D. MEDICAL DISTRIBUTING COMPANY INC.
> JANSEN'S AIRCRAFT SYSTEMS CONTROLS, INC Arizona Since: 1991 JANSEN'S AIRCRAFT SYSTEMS CONTROLS, INC
> J2 ENGINEERING & ENVIRONMENTAL DESIGN, LLC Arizona Since: 2002 J2 ENGINEERING & ENVIRONMENTAL DESIGN, LLC
