Established in 1932, Gurtz Electric Co. is the electrical contractor of choice for many of Chicago’s most prominent construction projects. Our reputation as a first-class electrical contractor is continually earned by providing high quality teams that bring solutions, before issues become problems.
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MidWest Interstate

Midwest Interstate Electrical Construction Company delivers best-in-class work in the simplest way possible and they've been doing it since 1961. Built on a strong family foundation, they keep their business practices professional, efficient, fair and honest because it's just the right way to do it.
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LiveWire Inc. is a general contractor that self performs full-service concrete and electrical work. We provide a wide range of electrical system solutions and concrete installations in the healthcare, educational, industrial and utility markets, in addition to serving customers in the private, public, and government sectors.
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Tyco SimplexGrinnell is protection in action. We help organizations protect their people and property from fire and life safety threats. We've combined a 200-year legacy of reliability with today's most advanced technology and services to support our customers' protection goals. Our people are committed to innovation and eager to use their expertise to find the best solution for every facility.
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Chicago Fire Detection System, LLC is an award winning Notifier brand fire alarm equipment supplier for the greater Chicago area market.  In business for over two years now, we are growing fast and are proud to be one of the biggest distributors in the area.  With a combined experience of well over 100 years, no job is too big or too small for us to tackle.
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Siemens' legacy of innovation spans more than 165 years. Our company started with a vision of improving the lives of others through technology, and we have remained true to that vision throughout our history.
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Wolf Electric prides itself on customer and vendor relationships. Its company has a blend of experience and comprehensive capabilities along with an attention to detail, hands-on management, and a willingness to do whatever it takes to get the job done. They are DBE, SBE and EDWOSB federally certified, and State/City of Chicago WBE certified.
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