My Tech Guy of RI, L3C is a socially driven technology and fabrication studio based in Warwick, Rhode Island. Founded and operated by John Tetreault, we bring over 30 years of hands-on experience in IT, systems integration, and digital fabrication. Our mission is simple: deliver expert tech solutions while giving back to the community.
We specialize in:
Wireless networking and home tech setups
Computer repair, virus removal, and system recovery
Custom firmware installs and mobile device optimization
Home media servers and affordable VoIP systems
Mortgage industry consulting for Black Knight’s LoanSphere Empower® LOS platform
Advanced 3D printing and laser engraving for custom parts, prototypes, and personalized products
Whether you're troubleshooting a network, launching a media server, or prototyping a new product, we offer scalable, reliable solutions tailored to your needs. Our fabrication shop produces high-performance 3D prints in materials like ASA, PETG, TPU, and Nylon—alongside precision laser engraving on wood, acrylic, metal, and glass. We serve hobbyists, contractors, and small businesses alike, with a focus on modular design and repeatable workflows.
As an L3C (Low-Profit Limited Liability Company), we operate with a social conscience. Our charter commits us to donating 10% of net profits to charity, and we prioritize services that empower individuals and small businesses. It’s tech with purpose—whether you're setting up a network or scaling a product line.
We’re not just tech experts—we’re problem solvers, makers, and community builders. If you’ve got a challenge, we want you saying what all our customers say: