Memphis, TN, region
Corporate Headquarters
Security One
3715 S. Perkins Rd, Suite 14
Memphis, TN 38118

Phone: 866-776-7851 toll-free
  901-346-7746
Fax: 901-332-3997

Jackson, MS, region
S.O.I. Security
201 Country Place Parkway
Pearl, MS 39208

Phone: 866-776-7851 toll-free

Miami, FL, region
S.O.I. Security
9700 NW 112th Ave.
Miami, Fla 33176

Phone: 866-276-7641 toll-free
  786-242-1628
Fax: 866-306-7641 toll-free
  786-242-1909

Tampa, FL, region
Phone: 866-276-7641 toll-free

Nashville, TN, region
Security One
336 Hill Avenue, Suite 201
Nashville, TN 37210

Phone: 615-256-6804
  866-776-7851 toll-free
Fax: 615-256-6808

St. Louis, MO/Illinois region
(includes Belleville and lower Illinois)
S.O.I. Security
10521 St. Charles Rock Road, Suite 1
St. Ann, MO 63074

Phone: 314-427-5700
Fax: 314-427-5705

Orlando, FL, region
S.O.I. Security
100 Park Place Blvd , Suite 200
Kissimmee, Florida 34741

Phone: 866-276-7641 toll-free
  407-344-SOI1
Fax: 407-344-7690