Philadelphia-based LIGHTGLASS makes simulated windows and skylights that recreate the light quality and spatial experience of daylight in windowless spaces. Its compact architectural lighting elements use dynamic LED illumination to shift in color and intensity like sunlight, bringing a biophilic design approach to offices, residences and healthcare facilities. Designed and manufactured in Philadelphia, LIGHTGLASS has been used in more than 100 built projects and is Red List Approved.
Red List Approved
Compliance program
Declare Label
Compliance program
Buy America Act Compliant
Compliance program
Build America Buy America
Compliance program
UL DAMP, DRY, NON-FERROUS, ANTI-LIGATURE
New York Office of Mental Health Approval
Compliance program
AIA Continuing Education Provider
UL
Quality certification
LightlyFrom its Pennsylvania facility, Lightly makes architectural LED lighting fixtures that replace conventional metal housings with a lighter, lower-carbon approach built around wood and wool felt. Its linear systems and recessed Veil troffers are assembled by hand with locally sourced components, while hidden light sources provide low-glare illumination. Lightly’s sustainability claims are backed by Environmental Product Declarations and Declare labels, and its products are Buy American Act and Build America, Buy America compliant.BOOTHWYN, PA
Indoor Sky, LLCFounded in 2013, family-run Indoor Sky designs and supplies window-treatment systems that bring usable daylight into homes and workplaces while controlling glare and solar heat. Based in Williamsport, Pennsylvania, the company developed its Dayliter and Skyliter systems by combining fabric lightshelves with roller shades, and provides commercial design support plus measurement and installation in Central Pennsylvania.WILLIAMSPORT, PA
ARON Lighting LLCFamily-owned ARON Lighting has been building American-made interior LED lighting in Conshohocken since 2016. From its 30,000-plus-square-foot Pennsylvania facility, the company designs and manufactures each luminaire in-house, working directly with design and construction professionals on tailored lighting for architectural spaces.CONSHOHOCKEN, PA
LUXTECH LLCBased in Philadelphia, LUXTECH designs and manufactures LED light engines for architectural and specialty lighting fixtures. Its engineering-led team supports both standard modules and custom components, including purpose-built solutions for globe and cylindrical fixtures. The company emphasizes direct customer collaboration, working with lighting manufacturers and designers from concept through production.PHILADELPHIA, PA