Alan D Blanchard
Sentinel Investigations, LLC
President

Business Phone: 616-835-5574 
[email protected] 

PO Box 983
Marion, IN
46952

 Julia R Brunkel
Tri-Force INC
President

Business Phone: 574-259-3100 
[email protected] 

55850 Currant Road
Mishawaka, IN
46545

 Eugene H Butler
Eugene Butler, Private Investigator

Business Phone: 8105311579 
[email protected] 

1027 Church St.
Flint, MI
48502

 Chad T Butts
CSI Investigative Services
CEO

Business Phone: (317) 886-7526 
[email protected] 

7915 S. Emmerson Avenue, Suite B114
Indianapolis, IN
46237

 Carl D Caldwell
Carl Caldwell Investigations
Owner

Business Phone: 765.623.6902 
Cell Phone: (765) 552-1957
[email protected] 

PO Box 16
Elwood, IN
46036-

 Michael J Cook
Signature Investigations Group
LPI, CEO

Business Phone: (616) 466-4274 
[email protected] 

2920 Fuller Ave NE - Suite 109
Grand Rapids, MI
49505-

 Steven C Crane
Asset Control Services, Inc.

Business Phone: (248) 363-1360 
Cell Phone: (248) 706-2017
[email protected] 

PO Box 477
Keego Harbor, MI
48320-

 Sean Dees
Advanced Investigative Services, Inc.

Business Phone: 6187135145 
[email protected] 

232 E. St. Louis Street
Nashville, IL
62263

 Michael DeLong
SWORN PROTECTION
President/CEO

Business Phone: 2607486600 
[email protected] 

5714 Saint Joe Rd
Fort Wayne, IN
46835

 Paul M. Drake
Investigative Support Unit, Inc.
Investigator

Business Phone: 888.733.3009 
Cell Phone: 219.929.8858
[email protected] 

PO BOX 10231
South Bend, IN
46680