Johnstone Supply Niles is a leading HVAC/R Wholesale Distributor with access to over 70,000 locally stocked products and inventory so you can get it same or next day in most cases. Our product selection is continually growing to meet the needs of HVACR contractors to ensure we have the best brands and technology. Plus, our relationships with hundreds of the industry's top manufacturers give you access to a million special order parts. From equipment, to parts, to supplies you can be confident Johnstone has what you need today. Johnstone Supply: Making it Easier to do Business.

PermAlert has greatly improved its leak detection technology for the past 20 years. The latest PAL-AT series can effectively detect ANY liquid and remove the need for multiple types of sensors used for leak detection in a facility.

Lewis Spring & Mfg Company is a World Class high volume Supplier and Manufacturer of custom precision springs, wire forms, rings, and light metal stampings for OEMs & suppliers of any industry. We aim for 2 things here - To deliver top quality parts with zero defects to you on time, and to be your one stop need for all things spring, ring, metal stampings and wire form related (with as little hassle as possible). Services include extra in-house quality measuring & gauge making, 100% load testing, No-Tangle packaging, squeak-free coatings, small assembly services, engineering design evaluation and advice, scheduled purchase planning, and more! As part of our full service philosophy, we have accumulated the equipment, expertise, and relations over our 70+ years to provide you all sorts of material types, coatings, finishes, secondaries, inspections, and anything else a spring could need. So visit our website! Call or email for a free, non obligatory quote today! IATF:16949 certified for Automotive Quality