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Coffman Electrical Equipment Co. is a supplier to the Federal Government. We are a GSA contractor in several different categories of Generators and related power equipment. We proudly serve our government agencies with great products and exemplary service. If you don’t find it on the schedule, contact us and we will find it for you.

Since 1977, Yamaha has been one of the most trusted names in generators. And that reputation has allowed Yamaha to become one of the world’s largest manufacturers of generators. From the super quiet EF1000iS inverter model to the EF12000DE workhorse, Yamaha has a model to fit your needs.

Yamaha generators come loaded with many value-added features like quiet mufflers, low oil warning, cast iron cylinder linings, and spark arrestors. For quiet, reliable performance check out the complete line of Yamaha products featured on our site.

Winco has been in the Generator business since 1927. Winco provides high quality, high value products. Products Include Packaged Standby, Portables, PTO Generators, Two Bearing Generators, Mobile Diesels, Mobile Lighting, Emergency Series, and Automatic Transfer Switches Winco offers an extremely broad product line.

Winpower is one of the oldest names in PTO Generators. We carry the complete line of these fine generators from 15 to 160kW. They offer a diverse product line of single and three-phase units. There is also an extensive line of accessories available.

SML Industries, located in Melrose Park, Illinois manufactures VOLTmaster generators, welders and pumps. The company offers an extensive line of portable two bearing generators, gasoline, LP, NG, and diesel powered generator sets. They also offer welder/generator sets, tractor driven PTO generators and engine driven trash pumps. VOLTmaster is the most extensive line of portable electric generators available in the North American market.

At Steadypower.com we carry the entire line of Reliance Controls products – Manual Transfer Switches, Manual Transfer Panels and accessories. Take a look at this extensive line of products. Our website contains the specifications for each of these products and the fair pricing that we charge.

Reliance Controls offers the Home Protector product line. This line includes an excellent group of reasonably priced products to protect your home. They offer sump pump/flood alarms and flood/freeze alarms with a choice of flasher or audible warnings. Reliance also offers their popular PhoneAlert™ system with dial out capabilities. This system monitors power failure, freeze and flood conditions and automatically calls up to three phone numbers when a situation occurs.

Home Protectors by Reliance Controls provide a great deal of protection for very little cost.

Steadypower.com has combined the most extensive UPS product selection available with products from APC, Powerware, and Kohler. With these offerings we can provide the necessary technology to meet your needs in any type of power environment. Steadypower.com offers the UPS buyer the advantage of factory trained sales representatives along with factory trained service personnel.

LEA International provides Transient Voltage Surge Suppression systems from home units to series units for the most critical applications. They have been producing only the highest quality Transient Voltage Surge Suppression (TVSS) for almost 30 years. By working on only one product line and by having their own UL certified testing center, LEA can provide customers with the right answer for any problem.

Coffman Electrical Equipment Co. is the oldest Kohler Power Systems Distributor – since 1948. We have extensive experience in solving our customer’s power problems. We carry the complete line of Kohler Generators and Transfer Switches. We have extensive experience working with manufacturing plants, hospitals, schools, government agencies, and utility companies among others to answer their critical power needs.