Interstate Electrical Services Corporation Email Format

ConstructionMassachusetts, United States201-500 Employees

Interstate Electrical Services Corporation is a construction company focused on electrical services, based in North Billerica, Massachusetts. It is described as the largest privately held electrical services firm in greater New England, supported by a network of eight offices and a sizeable service-vehicle fleet. Founded in 1966, the company specializes in installing and supporting the electrical systems required for existing infrastructure and today’s modern buildings.

Its client base includes owners and operators of existing facilities and modern buildings that require electrical installation and ongoing system support. Within the construction industry, the firm operates as a regional provider of electrical services from eight offices. In 2026, it participated in National Construction Safety Week and endorsed Prevention through design.

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