Experienced Locksmith Serving the Greenville Area. American Lock & Key Service has been serving clients in Greenville since 1971. In that time, we have established a reputation for being the most efficient and trustworthy company in town. We provide 24-hour services, and our wealth of experience ensures you can expect the job to be done correctly every time. We do both commercial and residential locksmith jobs, so don't hesitate to contact us for assistance at your home or office. We Offer a Wide Range of Services. In addition to residential and commercial locksmith services, we do industrial locksmith work for our clients. We do far more than fix locks in your house. Our services include the following: Lock and key services, Mailbox locks and keys, Key fabrication, Key less entries, Deadbolts, Safes Re-Keyed, Key-drop lock boxes, Re-key or master key system& Mechanical and electronic push-button locks & Re-keying for security, Break-in repairs & Lock installation, repair and replacement, Commercial-grade padlocks & Panic bars and door closer's, Files, desk and cabinet.