Doble Engineering

The company pioneered high

voltage insulation diagnostics and has evolved into a global engineering powerhouse.

Crafts advanced diagnostic instruments and testing systems for transformers, relays, breakers, cables and more.

Blends data

rich insight with expert consulting, offering signature services such as factory audits, condition assessments, failure analysis, and laboratory services across high

voltage systems.

Projects range from substation health checks and oil diagnostics to complex relay protection designs, serving utilities, heavy industry, and governments.

Maintains a global footprint with purpose

built labs—from Massachusetts to Houston and Scotland—supporting worldwide clients.

passion for service

integrity

collaboration

innovation

quality

safety

coaching and mentoring program ensuring employees reach their full potential

holistic employee support & work‑life balance through mental health sessions, financial planning, fitness reimbursements, flexible arrangements