Koppers Inc

JDC Heating & Cooling provides expert HVAC repair, maintenance, and installation services for residential and commercial customers. Based in Pittsburgh, PA, we have been delighting our customers with our fast, friendly, and professional service since day 1. And we're always happy to explain the pros, cons, and technical reasoning for all of our recommendations. As an HVAC Contractor and Comfortmaker Elite Dealer, we only install reliable, energy-efficient equipment. We are also licensed, bonded, insured, BBB accredited, and rated highly by our customers. Give us a call if you need help with your furnace or air conditioner and we'll be sure to provide you with best-in-class service at a fair price.

We do Metal Processing! Some of our services include Abrasive cutting, Band saw cutting, Belt grinding, CNC lathe services, Flame cutting, Heat treating and water quench, Mill machine services, Mdiwest grinding, Plate leveling and press flattening, Shot blasting, Vertical boring services and wate...

Clark Testing has been providing product qualification testing and design verification for manufactures for over 50 years. We provide our clients with independent, objective, and competitively priced solutions to their testing needs. You will find that we are dedicated to delivering premium value to clients through superior technical expertise, advanced technology, and a deeply felt commitment to customer satisfaction. Our experience and dedication to testing helps assure that our customers in industries around the world qualify their products in an efficient manner. Clark’s comprehensive catalog of testing services provides a foundation for our commitment to product quality. We look forward to providing that service to you.