Thermal Devices - Mount Airy, MD (Serving Virginia)
Distributor, Custom Manufacturer
Distributor of electric & frequency converters.
www.thermaldevices.com/products/line_card.a...

Kaeser Compressors, Inc. - Fredericksburg, VA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 and 14001:2004 certified. Custom manufacturer of variable speed drives including frequency converters. Suitable for controlling blower's motor speed to regulate air flow.
us.kaeser.com/Products_and_Solutions/Rotary...

Mu-Del Electronics, Inc. - Manassas, VA
Manufacturer, Custom Manufacturer
Manufacturer of amplifiers, multiplexers, filters & converters.

Universal Power Systems, Inc. - Fairfax, VA
Distributor, Manufacturer, Custom Manufacturer
Intelligent Uninterruptible Supplies For Military, Industrial, Telecommunication Applications. Rackmount, Transportable, SNMP Compatible, On-Line, 650VA-6KVA With Universal Input. Network Interface Software

Aggreko Inc. - Richmond, VA
Distributor, Service Company
Distributor Of Temporary Power, Temperature & Air Equipment

Georator Corp. - Manassas, VA
Manufacturer, Custom Manufacturer
Custom manufacturer of frequency converters available in various models & configurations. Specifications of converters include 7.1 in. W x 12.1 in. D x 381 in. H dimension, 1 kVA capacity, single-phase 100/240 VAC, 47/63 Hz power supply, plus/minus 1 percent voltage regulation, power factor up to 1 lag, distortion up to 3 percent, 3:1 crest factor, overload capacity up to 150 percent, efficiency up to 85 percent, 0 degrees C to 140 degrees C operating temperature, 45 dB audible noise & 90 percent humidity. Features include auto shutdown over temperature, current limited & cut-off fuse & breaker output short circuits & over/under voltage alarms & surge & lighting protection lightening/EMC filters.