7NT Engineering, LLC
531 E Third St
Dayton, OH 45402
www.7nteng.com

All Locating Services
PO Box 670302
Northfield, OH 44067
216-299-7711
www.alllocating.com

Arrowmark LLC
PO Box 80703
Canton, OH 44708
330-268-5330
www.arrowmarkllc.net

Buckeye Utility Line Locating Service
PO Box 475
Ashley, OH 43003
614-364-0733

Bloodhound Underground Utilitiy Locators
300 E Business Way, Ste 200
Cincinnati, OH 45241
888-858-9830
www.bhug.com

Fishel Company
1810 Arlingate Ln
Columbus, OH 43228
614-274-8100
www.teamfishel.com

Geosearches
200 Industrial Pkwy, Ste 6B
Chagrin Falls, OH 44022
440-893-0642
www.geosearches.com

Ground Penetrating Radar Systems
7540 New West Rd
Toledo, OH 43617
419-843-9804
www.gp-radar.com

Gudenkauf Corporation
2679 McKinley Ave
Columbus, OH 43204
614-488-1776
www.gudenkauf.com

H A D Inc.
9797 Benner Rd
Rittman, OH 44270
330-925-1000
330-925-1105 Fax

Master Locators Inc.
2426 E Helms Manor
Boothwyn, PA 19061
610-358-0172
www.masterlocators.com

Pinpoint Utility Inspection Services
4768 Matthew Pl
Fairfield, OH 45014
513-839-0383

S & N Locating Services
636 Gralin St
Kernersville, NC 27285
336-992-5420
www.sncomm.com

South Shore Utility Locating Inc.
21 A Whitetail Way
Norwalk, OH 44857
419-326-2757

Stake Center Locating Inc.
2920 W Directors Row
Salt Lake, UT 84104
801-364-1063
801-974-3030 Fax
www.sctrl.com

Turn-Key Network Solutions Inc.
2 84th St, Ste C
Byron Center, MI 49315
616-455-7870
616-455-9845 Fax
www.tkns.net

The Underground Detective
9192 Colerain Ave
Cincinnati, OH 45251
513-681-1222
513-681-1498
www.undergrounddetective.com

USIC LLC - Damage Prevention
5090 Nike Dr, Ste A
Hilliard, OH 43026
800-778-9140
www.usicllc.com
 

USIC LLC - Utility Services/Private Locating
5090 Nike Dr, Ste A
Hilliard, OH 43026
800-262-8600
www.usicllc.com
 

Utility Resource Group LLC
6808 19 ½ Mile Rd
Sterling Heights MI 48314
586-803-3516
www.utilityresourcegroup.com
 

Utiliquest, LLC
374 Wetsdale Ave
Westerville OH 43082
614-591-4195
www.utiliquest.com