About Yarnell Security Systems: LOCALLY OWNED & OPERATED. ADDTL PHONE: YORK (717)699-2211.

Yarnell Security Systems is located at 131 Elmwood Rd Lancaster, PA 17602. Please call Tom Arnold at (717) 399-3900 for more information about their service, office hours, warranty and license.

Yarnell Security Systems began to serve the community in 1967. The areas it serves include CENTRAL PA. The towns and cities it serves include Lancaster. Camp Hill, Lancaster - Downtown, Lititz, Neffsville, Palmyra, Rohrerstown.

Its office number is (717) 399-3900. You could learn more information about Yarnell Security Systems at its website: www.yarnellsecurity.com/.

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