Fuel Systems Supply, Installation, Testing, Quality Control Management, Certification Fuel Systems Corrosion & Coatings Radon Testing, Mitigation Systems Installation Lab Hood Inspections & Repair

Guam Cornerstone Inc. is a woman-owned HUBZone small business merchant wholesaler of general industry and construction products, including crushed sand, aggregates, bulk cement, ready-mix concrete, precast concrete, asphalt & tile and safety equipment.

Founded in 1998.Specialize in Military Work.Certified Training, Warranties, Exclusive Distributor for United Coatings Roofmate, Kymax, EIFS. AkzoNobel Industrial Coatings for WaterWorks/Fuel Storage/Delivery Systems. 3rd Party Inspections, Maintenance Audits

Primarily a wholesaler/retailer of Electrical/Mechanical supplies and generators. Additionaly, we rewind/service electric motors/generators. On-site electrical trouble shooting. Electrical controls, shipboard/DC electrical control systems.

Interior Design, Furniture, Office Furniture & Kitchen Cabinet, Varnity and Hi-macs Counter Top.

custom made garage doors, typhoon shutters, decorative stones, np1 sealant

Wholesaler/Retailer of Electrical Apparatus & Equipment, Wiring Supplies and related Equipments, Electrical Contractors and other Wiring Installation Contractor.

Supply portable shelters and emergency housing. Thermo Imaging of Electrical

Whole supply of paints, fluid applied roofing, EFS and EIFS System, epoxy floor coatings, tank linings, and runway coatings

BUILDING MATERIALS, HARDWARE, PAINT

OSHA, D.O.T., ENVIRONMENTAL, HR, TRAININGS, CONSULTATIONS

WaterWorks Material

Construction and building materials supplies, Custom made butler type roofing panel. Chainlink fence, Hardware, Lumber and plywood,

retail, wholesale, building, construction, materials

All Other Miscellaneous Textile Product Mills, Hardware Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Power-Driven Handtool Manufacturing, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial

Furniture Merchant Wholesalers, Home Furnishing Merchant Wholesalers, Home Centers, Other Building Material Dealers

Other Building Material Dealers, Freight Transportation Arrangement, Packing and Crating

Brick, Stone, and Related Construction Material Merchant Wholesalers, Roofing, Siding, and Insulation Material Merchant Wholesalers, Other Construction Material Merchant Wholesalers, Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals), Paint, Varnish, and Supplies Merchant Wholesalers

Residential Electric Lighting Fixture Manufacturing, Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing, Roofing, Siding, and Insulation Material Merchant Wholesalers, Other Construction Material Merchant Wholesalers, Other Chemical and Allied Products Merchant Wholesalers

New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Electrical Contractors, Other Construction Material Merchant Wholesalers