Montco Locksmith 4 years ago ID: #274415 Listed In : Home & Lifestyle Home Appliances Household Products 8019 Old York Rd, Elkins Park 6106057737 locksmithsonline.com Business Description Montco Locksmith is a locksmith services company based in Montgomery County, PA. The company offers wide range of locksmith services: car locksmith service, residential locksmith service, commercial locksmith service etc. Reviews & Ratings Write a Review No Review. Please login / register to add your review.