LED retrofitting and installation

C-4 Group, LLC is a full service team of general facilities construction, upgrade, and repair professionals. Our mission is to provide government agencies and prime contractors cost effective solutions to a wide range of construction issues.

Asphalt maintenance, sealcoating, asphalt repair

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.

Veteran owned small business capable of doing construction, landscaping, barging, gravel hauling, remodeling, etc.

New construction plumbing, heating, air-condition, repairs (service calls) on any related work.

Drywall construction, including framing and finishing. Also, can do eifs and stucco work.

We provide anti-slip treatments and coatings to hard-surfase flooring to meet ADA and OSHA guidelines. Provide regular inspections to ensure proper cleaning and maintenance of floors.

Painting and Wall covering Contractor

Tree removal, tree trimming, cutting, logging, site prep, land clearing, brush removal, log hauling

Northern Minnesota and Eastern North Dakata area construction company, capable of doing all areas of construction, and an aggregate supplier.

HomeConstruction, Remodel, Lumber, Flooring, Carpet, Sheetrock, Doors, Windows, Siding, Roofing, Electrical, Pluming, Pipe, Fittings, PVC, CPVC, Copper, Paint Hardware, Rental, Power Tools, Hammer, Hand Tools, Drill Bits, Fencing, Post, Wire, Pole Shed, AirFilter, Cabinets,

Forestry logging, logging road construction, rental equipment, gravel work.

Electric company located in Northern Minnesota, dependable.

Soil testing labs, peat services, golf course const, landscaping, soil conservation, commercial turf & grounds, const sand & gravel

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

Third Generation Masonry Contractor providing brick, block, stone construction; masonry restoration, repair and cleaning; chimney repair and relining. Approved master Contract with State of Minnesota for masonry restoration and cleaning.

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

Excavation, asphalt, concrete, septic, material hauling, grubbing, paving, seal coating, stripping, bituminous paving