Power conditioning and automation solutions under the PEQVI brand, servo voltage stabilizers (single-phase air-cooled, three-phase oil-cooled), oil test sets (BDV testers for transformer oil), isolation transformers, buck-boost transformers, and embedded systems, are the specialty of Piyush Electronics and Electricals (P) Ltd, an ISO 9001:2008-certified, MSME-registered, UDYAM-recognized Delhi company. Established in 1992 and located in Patparganj, it serves embassies, hospitals, industrial complexes, and commercial venues, and also offers electronic design, PCB designing, prototyping, and embedded consulting, providing end-to-end solutions from concept to manufacturing.