Map for Mon Yough Area Chamber of Commerce Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Chamber of Commerce Mon Yough Area Chamber of Commerce 4304 Walnut StreetSuite 2McKeesport , PA 15132 | directions 412-678-2450 | fax: 412-678-2451 Visit Site If your business isn't here, contact us today to get listed!