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NAICS INSIGHTS 

We are registered under multiple NAICS codes that reflect our range of services and capabilities. Our primary code is [236220], with additional classifications below.

These codes align with our expertise and support our work across both government and commercial sectors.

236116 - 

New Multifamily Housing Construction

236117 - 

New Housing For-Sale Builders

236118 - 

Residential Remodelers

236210 -

Industrial Building Construction

236220 -

Commercial and Institutional Building Construction

237110 - 

Water & Sewer Line & Related Structures Construction 

238210 - 

Electrical Contractors and Other Wiring Installation Contractors

238220 - 

Plumbing, Heating, and Air-Conditioning Contractors

332321 - 

Metal Window and Door Manufacturing 

541310 - 

Architectural Services

541320 - 

Landscape Architectural Services

541330 - 

Engineering Services 

541340 -

Drafting Services

541350 - 

Building Inspection Services 

561990 - 

All Other Support Services

561210 - 

Facilities Support Services

713930 -

Marianas 

Contact Us

1(671) 637 - 7321

Business Hours

Main Office | Lee Building, 2014 16 #202, Liguan, 96929, Guam

Monday - Friday | 7:30AM - 3:30PM 

© 2023 by Tri-Spec Construction • (671) 637 7321• Lee Building, 2014 16 #202 Liguan, GU 96929 • 

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