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Carroll Technologies Group has been servicing the mining and tunneling industry in North America for over 40 years. From its early history in the coalfields of West Virginia, Carroll Technologies Group has expanded to become the largest and best electronic services group in the USA, providing over 800 mines with advanced technology communications, employee and equipment tracking systems, safety monitoring systems and a broad range of other safety equipment.

Today Carroll Technologies Group and its two operating subsidiaries – Carroll Engineering Co. and Delta Electric Inc. – service the needs of mining and tunneling companies with a network of distribution centers and support offices strategically across the US.

Here is a quick overview of what we offer:

Mining and tunneling

To look at the range of competitively priced-items we have available for dispatch today, please visit our online store.

To speak to one of our sales representatives call 606-573-1000 or use the email contact form here.

You can also use the chat function on this website to speak to one of our agents.


Post a question using the form linked below or call our 24/7 MinerCare




7 distribution centers
& MinerCare 24/7™ support.

Offices strategically located in

5 states

  • Logan, WV 25601
    Delta Electric Inc. 911 Riverview Avenue P.O. Box 1497 Logan, WV 25601 (304) 752-4625 (304) 752-0948
  • Billings, MT 59102
    Carrol West/ Montana 1935 Lampman Drive Billings, MT 59102 406-794-0879 406-652-1038
  • Morgantown, WV 26508
    Delta Electric Inc. 116 Green Bag Road Morgantown, WV 26508 (304) 282-1115
  • Harlan, KY 40831
    Carroll Engineering Co. 227 Industrial Park Road Harlan, KY 40831 (606) 573-1000 (606) 573-4444
  • Morganfield, KY 42437
    Carroll Engineering Co. 424 E. Waverly St P.O. Box 149 Morganfield, KY 42437 (270) 389-3800 (270) 389-7777
  • Jasper, AL 35502
    Carroll Engineering Co. 11176 Highway 78 P.O. Box 1485 Jasper, AL 35502 (205) 483-9000 (205) 483-8888
  • Knoxville, TN 37912
    Carroll Engineering Co. 6822 Barger Pond Way Knoxville, TN 37912 (865) 859-9839 (865) 859-9841