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Carroll Technologies Group has been servicing the mining industry in North America for over 30 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 U.S.A., 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 tunnelling companies with a network of 13 distribution centers and support offices strategically located in 9 states.

Here is a quick look at what we offer:

Mining and tunnelling

Green Energy

Green Energy solutions help mining companies develop strategies to capture and process methane gases. Having a strategy for carbon mitigation helps the mines position themselves for future regulatory initiatives and enables them to become a player in the emerging carbon offsets markets.

Carroll Technologies Group serves customers. That’s why we drive our team to be on the spot with the right products at the right time, backed by miner’s support.


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