What We Do

Let's Build Together

GbOSS brings partners to the table to formulate general construction and construction management solutions. Our senior strategic knowledge and federal experience instills confidence in both daily operations and scheduled plans with the flexibility to adjust as the mission changes.

Our solutions are well-covered and efficient, meeting both your needs and budget. Our technical expertise enables us to deliver quality projects above and beyond our clients’ expectations.

Our Specialized Skills:

New Construction
Renovations and Alterations
Modernizations
Design-Build
Design-Bid-Build

SCIF construction
Research & Development Labs
M/E/P Upgrades and Replacement
Pre-engineered Metal Buildings
LEED/Sustainable

IDIQ MACC Contracts
Bonding Capacity:
$50 MM single/$175 MM aggregate

NAICS Codes

Primary NAICS: 236220 – Building Construction
Secondary NAICS:
236210 – Industrial Building Construction
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures
237130 – Power and Communication Line and Related Structures Construction
238110 – Poured Concrete Foundation and Structure Contractors

238120 – Structural Steel and Precast Concrete Contractors
238130 – Framing Contractors
238140 – Masonry Contractors
238190 – Other Foundation, Structure, and Building Exterior Contractors
238290 – Other Building Equipment Contractors
238310 – Drywall and Insulation Contractors
238320 – Painting and Wall Covering Contractors
238330 – Flooring Contractors
238350 – Finish Carpentry Contractors
238390 – Other Building Finishing Contractors