One Source Security

One Source Security is a locksmith in Merrimack, NH providing master key systems, door replacement, and re-keying services. The business also offers handicap access solutions, serving commercial and residential clients with an in-house locksmith division.

Services Offered:

• Residential and Commercial: Master key systems, re-keying, door replacement, handicap access
• Security Systems: Access control, video surveillance, commercial security systems, security glass laminates

Service Areas:

• New Hampshire (NH)
• Massachusetts (MA)

Business Details:

• Hours: Monday–Friday, 8am to 4pm
• Address: 674 Daniel Webster Highway, Merrimack, NH 03054
• Owned by APi Group

Key Highlights:

• In-house locksmith division
• Also serves industrial/manufacturing, healthcare, and educational sectors