Coltrane Systems LLC

Has your electrical equipment been assessed in the last 5 years? Arc Flash risks can be a serious life safety issue and assessments are an essential part of maintaining a comprehensive electrical system.

Let our team of engineers help you keep your most valuable assets, your people, safe.

A humble excuse for us to brag on some of our awesome employees! Thanks for everything you do!

Coltrane offers fire alarm solutions with leading manufacturers to deliver safe, and reliable smoke detection and alarm monitoring to aid in giving your most valuable assets peace of mind.

Contact us for your commercial fire alarm coverage today!

Coltrane recently completed a security project at Holland Construction’s newly remodeled office in St Louis!

Holland Construction Services, we appreciate the opportunity and hope you are loving the new space and all of its secure features!

Meet Kay Westrich! Kay is a valuable member of our accounting and logistics team. She has a long history of working in the construction industry and we are so lucky she is a part of our team. Kay truly embodies the theme of ‘many paths, one mission.’ She has always approached difficult situations with a positive attitude and introduced a fresh perspective. Her contributions have been instrumental in our success!

Kay, thanks for all you do!

We've been busy traveling the country to create experiences for our customers that allow progressive technology to meet tailored collaboration. This room is equipped with a Cisco Room Kit Pro, and ceiling microphones and speakers to maximize our clients synergistic culture.

Here’s a sneak peak of our new website. Check out what we have to offer!

Homepage - Coltrane ELECTRICAL + TECHNOLOGY SYSTEMS INTEGRATORS Disrupt the Standard. Exceed Expectations. Coltrane is a complete design/build electrical integrator that combines leading-edge expertise across AV, security, electric, and infrastructure cabling in a single unified team. With offices in St. Louis, Philade...