Ritchie Engineering Co. manufactures and supplies tools and equipment for heating, ventilation, air conditioning and refrigeration (HVAC/R) work, as well as automotive air conditioning products. Their Yellow Jacket brand produces refrigerant gauges, vacuum pumps, recovery equipment, hoses, manifolds and related items, backed by over 75 years of experience and a commitment to quality and innovation. They also provide training videos to help contractors work more efficiently. Consider referring HVAC/R contractors and automotive technicians who need reliable, well-engineered service tools and equipment.