What We Do

Full-Service General Contracting

From ground-up commercial builds to complete residential renovations, NASGI Construction delivers quality craftsmanship and reliable project management across Central Indiana.

Two Sectors. One Standard.

We bring the same level of precision and accountability to every project — whether it's a 50,000 sq ft commercial facility or a single-family home addition. Our licensed team handles every phase from pre-construction planning through final walkthrough.

Commercial

Commercial Construction

Office buildings, retail centers, warehouses, and more

NASGI Construction has the experience and resources to deliver complex commercial projects on time and on budget. We work closely with owners, architects, and engineers to keep every phase coordinated.

New Commercial Construction

Ground-up builds for office, retail, industrial, and mixed-use developments.

Commercial Renovation

Interior and exterior upgrades that minimize downtime and keep your business running.

Tenant Improvements

Custom buildouts tailored to your tenant's specifications and timeline.

Design-Build

Single-source delivery from concept through completion — one team, one contract.

Pre-Construction Services

Budgeting, scheduling, and constructability reviews before a single nail is driven.

Project Management

Dedicated superintendents and project managers on every job site, every day.

Residential

Residential Construction

Custom homes, additions, and full renovations

Custom Home Builds

New construction tailored to your vision, lot, and budget.

Home Additions

Seamless additions that match your existing structure and expand your living space.

Full Home Renovations

Whole-house remodels that modernize your home from top to bottom.

Kitchen & Bath Remodels

High-impact upgrades with quality materials and expert installation.

Basement Finishing

Transform unfinished space into livable, functional square footage.

Exterior Work

Roofing, siding, windows, decks, and curb appeal improvements.

We treat every home like it's our own. NASGI's residential team guides homeowners through the entire process — from initial design conversations to the final punch list.

How We Work

A straightforward process built around your project

01

Initial Consultation

We meet to understand your goals, timeline, and budget — no obligation, no pressure.

02

Scope & Estimate

We develop a detailed scope of work and transparent cost estimate for your review.

03

Pre-Construction Planning

Permits, scheduling, subcontractor coordination, and material procurement handled by our team.

04

Construction

Daily on-site supervision, regular progress updates, and strict quality control throughout.

05

Final Walkthrough

We don't consider a project done until you're completely satisfied with every detail.

Ready to Start Your Project?

Tell us what you're building and we'll put together a quote.