Our portfolio of businesses include:



SIGCO has grown to be a preeminent architectural glass and metal fabricator and distributor in New England over the last three decades. Since inception, the company has expanded its manufacturing capabilities into new products and new territories while maintaining its commitment to service and craftsmanship. Today, from its glass fabrication facility and metal fabrication facility, SIGCO provides a large selection of architectural metal and glass, including tempered, laminated, and insulating as well as custom mirrors, glass shower doors and much more.

For more information, visit sigcoinc.com

Coral® Industries

Coral Industries offers a wide range of products for residential and commercial projects with a deep commitment to customer service. The company specializes in complete lines of made-to-order shower enclosures ranging from traditional framed, semi-frameless, and custom heavy-glass frameless shower door units and a full line of architectural aluminum and glass entrances, storefronts, window wall, curtain wall, and sun control systems for the commercial construction industry.

For more information, visit coralind.com


Holoform is a Division 10 interior demountable wall brand with premium design aesthetic from Oldcastle BuildingEnvelope®. The Holoform demountable wall system is the first US manufactured, sole-sourced and vertically integrated demountable wall product available in the interior architectural marketplace. Manufacturing facilities within 500 miles of all major U.S. metropolitan locations ensure an efficient delivery and staging process for every Holoform project. The product is sold through a closed distribution network to ensure consistent quality installation.

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C.R Laurence®

CRL is North America’s largest manufacturer and distributor of custom hardware products and supplies to the glass and glazing industry. The company has over a century of experience in the industry and is a premier supplier to the architectural, construction, and automotive industries. With locations in North America, Europe and Australia, CRL offers more than 60,000 hardware component products including: architectural railings, all-glass entrance hardware, storefront hardware, exit devices, commercial doors, custom cladding, balanced doors and frameless shower door hardware.

For more information, visit crlaurence.com

Graham Architectural Products

At Graham Architectural Products (GAP) “Your Vision. Our Experience.” is not just a slogan, it is a way of doing business. For more than 40 years, GAP has been producing, delivering and standing behind the highest quality and most innovative commercial and architectural grade products and services in the fenestration industry. GAP focuses on commercial and architectural grade window and window wall solutions that leading architects, building owners, installers, general contractors and dealers rely on when facing their most complex design projects. GAP has earned industry-wide respect for high quality and advanced technology, combining historic aesthetics with enhanced durability, safety, energy conservation and sound reduction. The GAP experience and expertise bring visions to life.

For more information, visit the GAP website

Affiliated Products

Shower Glass – Affiliated Products

Shower Glass

Residential Products – Affiliated Products

Residential Products