Main Line Supply

300 North Findlay St.
Dayton, OH 45403
937-254-6910 | Website


Main Line Supply Company Inc. is a distributor of Pipe, Valves, Fittings, and Industrial products. For over 65 years, Main Line has been providing an extensive range of mechanical and industrial commodities to a wide range of markets and supply bases including OEM and Food Service Equipment Companies. Establishing three wholesale branches in Ohio, we’ve grown to service needs regionally, nationally, and internationally. Main Line Supply strives to provide competitive pricing and high-quality product. This allows us to attain our goal of customer service satisfaction. We take pride in the products and services we offer; thus, our customers can always be assured that only the most experienced and knowledgeable individuals are working with them.


– Bagging and Tagging

– Barcoded Product for Inventory Control

– Customized Labeling

– CNC / Saw Cutting and Threading

– Pipe Kit Assembly

– Real-Time Shipment Tracing

– On Time Delivery


Main Line offers a wide array of products including black malleable, galvanized, forged, brass, copper, stainless, PVC/CPVC and stainless-steel weld fittings and flanges. Need something custom? Our state-of-the-art fabrication facility can cut and thread nipples to order. We have full lines of valving, including ball valves, gates, globes, checks, regulators, relief and many more to service OEM and industrial markets. We also represent full lines of sanitary pipe, valves, and fittings.


Main Line is committed to the continual improvement of our people, our suppliers, and our processes to benefit our customer relationships.


ISO 9001:2015

AS9120 2016 REV B

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