LED retrofitting and installation

At Castle Communications, LLC, our goal is to implement any technology you can dream of. We??l guide you through the decisions, providing fresh options and then stand back while you choose your favorites.

Electric company located in Northern Minnesota, dependable.

Audio/Video Specialists for Residential/Commercial Design and Installation. Also offering lighting control systems, small business/residential networking, security and monitoring, central vacuums.

Nortel PBX Equipment and Peripherals for Nortel PBXs

Transmission Planning & Network Analysis Studies (feasibility, SIS, contingency, thermal, voltage & dynamic stability), protective relaying Industrial - instrumentation, controls, electrical engineering, short circuit & fault analysis, arc flash studies

Residential and commercial wiring

Polycom, Northern Telecom, Plantronics, CISCO

Alarm, Communications, Fire, Burglar, Access Control, CCTV, Cameras, Recorders, Digital, Monitoring, Sound, Audio, PA, Intercom, Network, Phones, Phone System

Electrical Contractor

WOMAN OWNED Electrical Contractor

Electrical contracting services for new or existing residential or commercial buildings. Telephone/Computer/TV cabling.

Electrical Contractors primarily for commercial/industrial. Builds, remodels, new machines, etc. Lighting maintenance.

Painting, Drywall, framing, concret, roofing, siding, electrical, plumbing, flooring, finish carpentry, site preparation, tile, heating, air-conditioning, wall coverings, glass and glazing, commercial building, new housing, insulation, masonary.

Contractor, Construction, Contractors

ELECTRICAL, CONTRACTOR

electrical, electronic, wiring, cable, solar, module, modules, PV, panel, panels, inverter, installer, installation, design, consulting, services, antenna, satellite, dish, computer, software, hardware, repair, maintenance, equipment

UninterruptiblePower, UPS, Batteries, Rectifiers, Inverters, PDU, Power Source

Low Voltage

low voltage, fire alarm, cctv, security, electrical, installation, cable, wire, fiber optics, data, telephone, area of rescue, card access, access control, fire safety, service call, audio, PA, public address, intercom, sound mask, flow and tamper, f/s da