Keystone Interior Systems Inc

Oct 28, 2025 4:18 AM

2200 North 11th Street
Reading, PA (Pennsylvania) 19604-1206
(610) 898-5****

Business Details

32 years Since 1983 Jim Williams (Owner) (610) 921-2727 (Fax) (610) 921-8600 (Primary Phone)

Products:	Ceilings, Drywall, Exterior Components, Frames, Insulation, Metal Studs, Paneling
Services:	Corporate Services, Home Services, House Services
Brands:	Armstrong, Celotex, Hunter Douglas, Usg, Usgypsum
Specialties:	Acoustical Ceilings, Commercial, Exterior Work, Industrial, Residential, Business, Homebuilding
Location Features & Amenities:	Showroom
General Content:	049280Attr:acoustical Ceilings, 077380Attr:drywall, Acoustic Ceiling, Ceiling Contractors, Dry Wall Contractors, Drywall Services, Framing
Credit Rating:	Excellent
Sales Volume:	5M - 10M
Employee Size Range:	20-49
Franchise/Chain:	Headquarters
Number of PC's:	2-9
Square Footage:	2500-9999
Fortune 500:	No

Additional Categories

Keystone Interior Systems Inc is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Acoustical Contractors
Acoustical Materials & Treatments
Ceiling Materials
Dry Wall Contractors

North American Industry Classification System (NAICS) Categories:

Drywall And Insulation Contractors > Acoustical & Ceiling Contractors > Acoustical Contractors
Drywall And Insulation Contractors > Drywall Contractors
Other Building Material Dealers > Ceiling Materials > Acoustical Materials & Treatments

Standard Industry Classification (SIC) Categories:

Plastering, Drywall & Insulation > Acoustical & Ceiling Contractors > Acoustical Contractors
Plastering, Drywall & Insulation > Drywall Contractors
Lumber & Other Building Materials > Lumber & Other Building Materials, Nec > Acoustical Materials & Treatments
Lumber & Other Building Materials > Lumber & Other Building Materials, Nec > Ceiling Materials

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