Citadel Lock & Security Co.
Oswego, IL 60543
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Our Story
Citadel Lock & Security Co. was founded in 2004 by David T. Donnelly Jr. to meet the locksmith needs in the Midwest Region. Citadel has over 30 years of experience in the industry. Our staff is fully trained and licensed by the State of Illinois. IL License #192-000260.
Our experienced team of security professionals provide the highest quality of services specializing in commercial, industrial, healthcare, transportation, and multifamily housing markets. We use only products that meet our rigorous standards for security durability and affordability.
Regions & Counties Serviced
- Chicago, N.W. Indiana
Illinois 11
- Cook
- Dekalb
- Dupage
- Grundy
- Kane
- Kankakee
- Kendall
- La Salle
- Lake
- Mchenry
- Will
Indiana 1
- Lake
Wisconsin 1
- Kenosha
Preferred Brands
Medeco
Medeco Keymark x4
Mul-T-Lock
A & B Safe Corporation
Abus Lock
ABH (Architectural Bldrs. Hardware)
Arrow Lock & Door Hardware
Corbin/Russwin Hardware & Lock Systems
Dorma
Emtek Assa Abloy
Emtek Hardware
HES Assa Abloy
LCN Door Closers
Maiman Company
McKinney
Pemko
Rockwood
Sargent
Schlage
Von Duprin
Yale Locks & Hardware
Adams Rite
Norton Door Controls
Securitron