Hutt's Glass Co., Inc.
Glass and glazing contractor in eastern Pennsylvania serving residential and commercial clients.
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IPA Systems, Inc.
Manufacturer for concrete and masonry repair, restoration, new construction, corrosion protection, waterproofing, and coating.
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Irion Lumber Company
Provides a range of micro-lumber for small custom furniture projects, architectural millwork shops, and woodworkers.
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Irwin & Leighton, Inc.
Engages in corporate, educational, healthcare, pharmaceutical, and retail facilities projects in the Mid-Atlantic states.
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J.H. Greene & Son, Inc.
Offers design and building services for commercial, healthcare, industrial, and pharmaceutical projects.
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J.P. Self & Associates, Inc.
Offers new and used drilled shaft equipment. Distributors of Kennametal, Jiffy Products, Polymer Drilling Systems, Pengo, Hensley, and Soilmec.
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Jay J. Surkin Company
Manufacturers' representative for commercial HVAC equipment, serving Eastern and Central PA, Southern NJ, and DE.
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JD Clark Electric
Offers a full range of electrical, security, communications, and power generation services.
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JMD Company
Specializing in construction products for erosion control, drainage, stabilization, and reinforcement of problem soils.
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K & M Sales Inc.
Specializing in plumbing, heating, industrial, and welding supplies.
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Kalglo Electronics Co., Inc.
Manufacturer of infrared heaters and brooders, power and heater controls, dimmers, protection eqyuipment, and data line protectors.
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