Trusted Partners
40 Years of Construction Service
Join a network of elite contractors building the future with sustainable, recycled materials.
40+
Years Experience
500+
Projects Completed
TN
State Recognized
Senate
Resolution 176
Senate Recognition
Recognized for Excellence in Construction
Tennessee State Senate
Greenwood Building Materials and its preferred contractor network were formally recognized by the Tennessee State Senate for outstanding contributions to sustainable construction, affordable housing, and community development.
This recognition reflects the dedication of our contractors to building stronger, healthier communities through innovative, eco-friendly building practices.
Featured Contractor
Willie Nelson
Nelson and Nelson Inc.
Lead Preferred Contractor
40+ Years Experience
With over four decades in the construction industry, Willie Nelson has built a reputation for excellence, integrity, and innovation. As one of Greenwood Building Materials' founding preferred contractors, he brings unmatched expertise in ICCF block construction, sustainable building practices, and community-focused development.
40+
Years Experience
500+
Projects Completed
TN
State Recognized
Willie Nelson
Nelson and Nelson Inc.
40+ Years Experience
Our Network
Meet Our Preferred Contractors
Hand-selected for their craftsmanship, professionalism, and shared commitment to sustainable building.
Willie Nelson
Nelson and Nelson Inc.
Lead Preferred Contractor
With over four decades in the construction industry, Willie Nelson brings unmatched expertise in ICCF block construction, sustainable building practices, and community-focused development.
30 years of experience in residential and commercial construction, specializing in accessory dwelling units and sustainable building solutions.
Visit WebsiteJerome Lawrence leads AOP Service with a commitment to quality craftsmanship and community-focused construction projects across the region.
Visit WebsiteWhy Join
Contractor Benefits
Certified Materials
Access to GBM's full catalog of ICCF blocks, recycled glass aggregate, and green concrete mix at preferred contractor pricing.
Referral Network
Get connected with GBM's growing network of developers, homeowners, and community organizations actively seeking green builders.
Brand Recognition
Display the GBM Preferred Contractor badge on your marketing materials, website, and job sites.
Training & Support
Ongoing technical training on ICCF installation, grout pour techniques, and sustainable building best practices.
Priority Projects
First access to GBM-sponsored affordable housing and community development projects across the Southeast.
Community Impact
Be part of a movement building healthier, more resilient communities through sustainable construction.
How It Works
3 Steps to Join
Apply Online
Submit your contractor application with your license, experience, and project history.
Get Certified
Complete GBM's ICCF installation training and certification program.
Start Building
Access materials, referrals, and project opportunities as a certified GBM Preferred Contractor.
Built on trust
A Network Built on Quality & Community
Our preferred contractors aren't just vendors — they're partners in the mission to make sustainable, affordable housing a reality for every community. Each one is hand-selected for their craftsmanship, professionalism, and shared commitment to building a greener future.
- Licensed & insured in their state
- Trained in ICCF block installation
- Committed to sustainable practices
- Active in their local community
Contractor voices
What Our Contractors Say
Working with Greenwood Building Materials has transformed how I approach sustainable construction. The ICCF blocks are exceptional quality and the support from the GBM team is unmatched.
Marcus Johnson
General Contractor, Atlanta GA
The preferred contractor program opened doors I never expected. The referral network alone has brought in more projects than I can handle — all focused on green building.
Denise Carter
Licensed Builder, Nashville TN
GBM's training program gave me the confidence to take on ICCF projects. The certification is recognized across the Southeast and has elevated my business significantly.
Robert Williams
Construction Manager, Birmingham AL
Ready to Build with Purpose?
Join Greenwood Building Materials' preferred contractor network and be part of the sustainable construction revolution.
Apply today