One stop shopping
Optimum Building Systems is your one-stop shop for all commercial construction products, providing everything you need to complete your project efficiently and effectively. From high-quality building and waterproofing materials to specialty products and finishes, we offer a comprehensive selection to meet the demands of any construction project.
Need something special?
We provide solutions for even the most unique commercial construction needs. Whether it’s a hard-to-find material, a custom product, or specialized equipment, we’ve got you covered. Need something special? Call us first—we’re committed to sourcing exactly what you need to keep your project on track and ensure your success.
We go anywhere
OBS is committed to serving your commercial construction needs wherever they may be. From large-scale industrial facilities to small retail spaces, no project is too big or too small. We proudly go the extra mile—literally—ensuring that no matter the location, we deliver quality, reliability, and professionalism on every job.
Scopes
What We Do Best
Gallery
Photos Of Our Recent Projects
USG Barz® Baffles
Alucobond
Riverwalk at Loon Mountain
Morin, Reynobond
ACM used over emergency department entrance
Cembrit Fiber Cement Panels and Morin Metal Panels
TopAkustics Type 28/4m
Cloud soffit lighting
Carlisle Coatings Waterproofing
Essi ceiling tiles and wall panels
Custom trusses made with MiTek Ultraspan cold formed steel
BSB_lower_resolution_portrait
Eagles landing 800×950
Barz® Baffles by USG
blog
Our Latest News & Insights
AVALT and VantEdge Launch Wall Works Holdings, Acquire Optimum Building Systems
On Monday, May 5, 2025, AVALT and VantEdge announced the formation of WallWorks Holdings, which partners with leading regional construction contractors. WallWorks Holdings announced the acquisition of Optimum Building Systems (OBS) of Litchfield, New Hampshire, one of...
Spotlight: Fire Resist Barrithane™ VP
Quick Cure for Cold: Fire Resist Barrithane™ VP When Optimum Building Solutions began work last July on Washington Place, a mixed-usedevelopment in Newton, MA, Project Manager Linda Tardiff was already planning for winter. TheNew England native is no stranger to...
Optimum acquires Landry & Sons Acoustics, Inc.
In May 2024, Optimum Building Systems (OBS), headquartered in Litchfield, NH, announced a strategic acquisition of Landry & Sons Acoustics, located in Lewiston, Maine. Established in 1986, Landry & Sons Acoustics has built a strong reputation for serving...
