Our Company

A Timeline of Our History

The following timeline provides just a glimpse of our historical growth and development. Click on a year below for more information about Whelan Security during that time period.

  • Whelan Named Top Military Employer for 2016

    For the fifth consecutive year, Whelan Security is named to the CivilianJobs.com list of Most Valuable Employers (MVE) for Military.

  • Jason Gonzalez | Whelan Security

    Jason Gonzalez, current Vice President, joins Whelan Security.

  • Whelan Security is named to the CivilianJobs.com list of Most Valuable Employers (MVE) for Military

    For the fourth consecutive year, Whelan Security is named to the CivilianJobs.com list of Most Valuable Employers (MVE) for Military.

  • 2014-(civilianjobs)

    For the third consecutive year, Whelan Security is named to the CivilianJobs.com list of Most Valuable Employers (MVE) for Military.

  • 2014-Luke-Hutsell-Whelan-Security

    Luke Hutsell, CPP, SPHR, current Vice President, joins Whelan Security.

  • 2014 -(robert Langrel)

    Robert Langrel, current Vice President, joins Whelan Security.

  • 2014 - (SteveSomers)

    Steve Somers, CPP, CHS-V, current Vice President, joins Whelan Security.

  • 2013-(civilianjobs)

    For the second consecutive year, Whelan Security is named to the CivilianJobs.com list of Most Valuable Employers (MVE) for Military.

  • Jack Serpas | Whelan Security

    Jack Serpas, CPP, current Vice President, joins Whelan Security.

  • 2013-(Inc5000)

    For the sixth consecutive year, Whelan Security is named to the Inc. 5000 list of America’s Fastest Growing Companies.

  • 2012-(civilianjobs)

    Whelan Security is named to the CivilianJobs.com list of Most Valuable Employers (MVE) for Military.

  • whelan-security-inc-5000

    For the fifth consecutive year, Whelan Security is named to the Inc. 5000 list of America’s Fastest Growing Companies.

  • whelan-security-top-10

    Whelan Security is ranked within the Top 10 contract security companies operating within the United States.

  • 2011 - 1 (Inc)

    For the fourth consecutive year, Whelan Security is named to the Inc. 5000 list of America’s Fastest Growing Companies.

  • whelan-security-guy-stiebing

    Guy Stiebing, current Senior Vice President, joins Whelan Security.

  • whelan-security-begins-operating-in-georgia

    Whelan Security begins operating in Georgia.

  • whelan-security-begins-operating-in-florida

    Whelan Security begins operating in Florida.

  • whelan-security-begins-operating-in-nevada

    Whelan Security begins operating in Nevada.

  • 2010 - 1 (Inc)

    For the third consecutive year, Whelan Security is named to the Inc. 5000 list of America’s Fastest Growing Companies.

  • whelan-security-begins-operating-in-oregon

    Whelan Security begins operating in Oregon.

  • 2010 - 3 (Washington)

    Whelan Security begins operating in Washington.

  • 2010 - 2 (Ohio)

    Whelan Security begins operating in Ohio.

  • 2010 - 1 (Kentucky)

    Whelan Security begins operating in Kentucky.

  • 2009 - 1 (Inc)

    For the second consecutive year, Whelan Security is named to the Inc. 5000 list of America’s Fastest Growing Companies.

  • whelan-security-mike-basler

    Michael Basler, current Chief Financial Officer and Senior Vice President – Finance & Administration, joins Whelan Security.

  • 2009-event-services

    Whelan Security launches Special Services Division.

  • 2009 - 3 (Arizona)

    Whelan Security opens office in Arizona.

  • 2009 - 2 (California)

    Whelan Security opens offices in California.

  • 2008 - 1 (Inc)

    Whelan Security is named to the Inc. 5000 list of America’s Fastest Growing Companies.

  • whelan-security-top-15

    Whelan Security is ranked within the Top 15 contract security companies operating within the United States.

  • Mark Porterfield | Whelan Security

    Mark Porterfield, CPP, CHS-III, current Senior Vice President of Human Capital & Field Support Services, joins Whelan Security.

  • 2008-pennsylvania

    Whelan Security begins operating in Pennsylvania.

  • 2008 - 2 (Wisconsin)

    Whelan Security opens office in Wisconsin.

  • 2007 - 5 (Denver)

    Whelan Security opens office in Denver.

  • Detroit, Michigan

    Whelan Security opens office in Detroit.

  • Albuquerque skyline and mountains

    Whelan Security opens office in Albuquerque.

  • 2007-oklahoma

    Whelan Security begins operating in Tulsa and Oklahoma City.

  • 2007-little-rock

    Whelan Security opens office in Little Rock.

  • 2005_top20

    Whelan Security is ranked within the Top 20 contract security companies operating in the United States.

  • 2005-tsa

    Whelan Security is approved by the Department of Homeland Security and TSA as a qualified vendor in the Screening Partnership Program.

  • whelan-security-begins-operating-in-iowa

    Whelan Security begins operating in Iowa.

  • whelan-security-begins-operating-in-tennessee

    Whelan Security begins operating in Tennessee.

  • 2006 - 1 (Minneapolis)

    Whelan Security opens office in Minneapolis-St Paul.

  • 2005 - 2 (Mississippi)

    Whelan Security begins operating in Mississippi.

  • 2005-whelan-sfi

    Whelan Security partners with Security Forces, Inc. and invests in the formation of Whelan SFI, a joint venture company operating in the Mid-Atlantic. Whelan SFI opens an office in Washington DC and begins operating in Washington DC, Maryland, Delaware, and Northern Virginia.

  • 2004 - 1 (Chicago)

    Whelan Security opens office in Chicago.

  • whelan-security-greg-twardowski

    Greg Twardowski is appointed President of Whelan Security.

  • whelan-security-prentice-robertson

    Prentice Robertson, Principal and Chief Operating Officer, joins Whelan Security.

  • 2003-truth-report

    Whelan Security introduces the Truth Report and Whelan Warranty Program.

  • whelan-security-james-schwartz

    James Schwartz, current Vice President, joins Whelan Security.

  • 2000 - 1 (Topeka)

    Whelan Security begins operating in Wichita and Topeka, Kansas.

  • 1997-nsg

    Whelan Security invests in the establishment of TransNational Security Group LLC, a national partnership of leading regional security companies combined to form one of the top five contract security companies operating in the United States.

  • 1993 - 2 (Houston)

    Whelan Security opens office in Houston.

  • 1993 - 3 (Baton Rouge)

    Whelan Security opens office in Baton Rouge.

  • 1993 - 1 (Dallas)

    Whelan Security opens office in Dallas.

  • Dan Twardowski | Whelan Security

    Dan Twardowski, current Principal and Vice President, joins Whelan Security.

  • 1990 - 1 (Kansas City)

    Whelan Security opens office in Kansas City.

  • whelan-security-greg-twardowski

    Greg Twardowski, current President, joins Whelan Security.

  • whelan-security-patrick-twardowski

    Patrick Twardowski is elected President of Whelan Security.

  • whelan-security-pat-twardowski

    Patrick Twardowski joins Whelan Security at the request of Mrs. Whelan upon the death of James T. Whelan. Twardowski invests in the company and assumes management responsibility.

  • whelan security founded

    Whelan Security is founded in St. Louis, Missouri by James T. Whelan, uncle of current Chairman, Patrick Twardowski.