Top 8 Switchgear Manufacturers in Connecticut 2026

AMETEK - Solutions With Innovation

Naugatuck, Connecticut

AMETEK Level Measurement Solutions (LMS) operates from Naugatuck, Connecticut, as the level and flow measurement division of AMETEK. The unit focuses on designing and producing instrumentation for process industries.

Dufrane Technologies

Winsted, Connecticut

Today the company produces custom transformers, custom coils and windings, and precision machined parts from its 80,000-square-foot facility. Its manufacturing capabilities include CNC milling and turning with work envelopes up to 20 by 20 inches, 5-axis machining centers, and automatic pallet changers for continuous production.

Traver IDC

Waterbury, Connecticut50 employees

Traver IDC is based in Waterbury, Connecticut. The company has served the industrial marketplace for more than 75 years, though a precise founding year is not publicly disclosed.

Circuit Breaker Sales NE, LLC

Seymour, Connecticut

Circuit Breaker Sales NE, LLC operates from Seymour, Connecticut. The company traces its roots to Diversified Electrical Services, Inc., and has served commercial, industrial, municipal, and utility customers across the Northeast and mid-Atlantic for over two decades.

Connecticut Components Inc - CCIYES

Tolland, Connecticut

Connecticut Components Inc., doing business as CCIYES, is an instrumentation and industrial supplier based in Tolland, Connecticut. The company traces its roots to 1974 when it was founded as Components & Controls, Inc.

LQ Mechatronics

Branford, Connecticut365 employees

LQ Mechatronics operates from Branford, Connecticut, as the U.S. arm of the LQ Group, a German system supplier specializing in electromechanical complete solutions for machine and plant engineering.

National Breaker Services L.L.C.

Middlebury, Connecticut

National Breaker Services L.L.C. operates from Middlebury, Connecticut.

All Phase Electric Supply

Enfield, Connecticut

All Phase Electric Supply operates from Enfield, Connecticut, serving the Hartford/Springfield corridor and western Massachusetts. The company has been meeting regional electrical needs for over three decades, though a precise founding year is not disclosed.