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Corporate Office (314) 644-3227
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State Licenses: B 1300212, B1700208, BB1800013, PSC002179, PSC002432, 1596583, PPO 16344, 00011963, 2223, 13265
*Licensed in some jurisdictions as Whelan Security Co., Whelan Security of Illinois, Inc., Whelan Security Mid-Atlantic LLC, Whelan Security Protection Services, Inc., Whelan Security of California, Inc., Whelan Event Staffing Services, Inc., and Whelan Security Management Company, Inc.