- J&J Worldwide Services (Bethesda, MD)
- …and Responsibilities** + Inspect, repair, maintain and install - commercial and industrial HVAC/R equipment and associated components, at a Journeyman's level of ... hydronic) pumps, motors, motor starters, variable frequency drives (VFD's) motor control centers (MCC's), electrical disconnects, air compressors, air driers, … more