You deserve an electrical contractor who gives you confidence they will have the right people, services and experience to help you with all your electrical needs. With more than 128 years of experience, you can have confidence in Tri-City Electric Co. Our experienced team of nearly 1,500 employees is ready to handle any job - from residential services to large-scale electrical construction projects. At Tri-City Electric Co., we have the experience and in-depth knowledge for all electrical projects, from electrical engineering and integration to structured cabling, security solutions, telecommunications, audio/visual, IT solutions, drone services, disaster recovery, power testing, generators, residential services and electrical construction. Why Tri-City Electric Co.? You can look at all the specs, schematics and proposals in the world. But the most important thing you need from your electrical contractor is the confidence they'll get the job done right. That's what Tri-City Electric Co. has been doing for our customers for years. And it's exactly what we will do for you. As one of the oldest and largest family-owned electrical contractors in the country, we offer you a breadth of services that are unmatched in the area. This broad range of experience means that you can rely on one contractor for all of your electrical system needs. From residential services to renewable energy projects to audio and visual installations, we're here when you need us.

Timberline Manufacturing provides electrical contract manufacturing with a specialization in wire harness assembly, control panels and circuit board assembly. Since 1993 we have offered timely and accurate quotes, competitive pricing, on time delivery, quality controlled production facilities, and the philosophy of "the right product, on time, every time."​ We are Marion's largest manufacturer and 100% Employee-Owned. Awards: Rockwell Collins President's Award Winner 2013- Best Annual Supplier Supplier Alliance Advisory Council- Supply Chain Management Award for Rockwell Collins- 2013-2017 CONTROL PANELS Our experienced panel shop can handle everything from your large, low-volume box builds to your high volume electro-mechanical sub-assemblies. Timberline’s staff engineers and technicians will work with you to ensure we provide you the best solution. WIRING HARNESSES From lead wires and wiring sets to complex off-road, power, and PLC/machine harnesses; we do it all! From high volume to prototypes, Timberline Manufacturing has the knowledge, equipment, and capabilities to cover your wiring application. ELECTRONIC ASSEMBLY From soldered leads and D-subs to surface mount soldering and board design, Timberline Manufacturing has the skills to supply your circuit! By supplying your control panel, circuit board, and harness; Timberline ensures effective integration. VALUE-ADD SERVICES Timberline is more than just manufacturing! Our design, prototyping, and reverse-engineering services have helped both small companies developing their very first products and larger companies in a crunch to get to market. Let us value engineer some of the cost from your assemblies, and JIT them to your door!

Electrical construction. Electrical budgeting, cost analysis, and alternates and options analysis. Lighting and lighting controls auditing. Renovations and modifications. Service and maintenance. Troubleshooting. Commercial, industrial, schools, health care facilities, municipal and government facilities.