Swank Construction Company, LLC
632 Hunt Valley Circle, New Kensington PA, 15068 United States
T.O.P. Drilling & Excavation Services Inc
24 Lindsay Street PO Box 845, Fenelon Falls ON, K0M 1N0 Canada
Terra Engineering & Construction Corporation
2409 Vondron Rd, Madison WI, 53718 United States
Terra Engineering & Construction Corporation
2409 Vondron Rd, Madison, WI 53718, United States
Sustaining Member
The Quikrete Companies
8530 Delaware Ave, North Huntingdon PA, 15642 United States
Sustaining Member
Thorcon Shotcrete & Shoring LLC
10900 Chatfield Lake Road, Littleton CO, 80125 United States
Ultimate Shotcrete & Steel LLC
3309 Damascus Road, Brookeville Maryland, 20833 United States
UNICOM ENGENHARIA
4353 Eng. Antonio Francisco de Paula Souza, Campinas São Paulo, 13.045-137 Brazil
US Concrete Products LLC
16 Greenmeadow Dr, Ste 202, Timonium, MD 21093-3231, United States
Valley Crew Contracting Ltd
21375 Old Yale Road, Langley British Columbia, V3A 4M6 Canada
Sustaining Member

Valme North America Inc.
2701 Nicholas Rd., Franksville WI, 53126 United States
Vancouver Shotcrete & Shoring Inc
#105 – 10185 199B Street, Langley, BC V1M 3W9, Canada
Webber LLC
1725 Hughes Landing Blvd., Suite 1200, The Woodlands, Texas, 77380 United States
Western Grater Contracting LTD
Unit # 2095 – 2015 Millstream Rd., Victoria British Columbia, V9B 6E2 Canada
Sustaining Member
Western Shotcrete Equipment
3026 S Scott Ln # 5096, West Haven, UT 84401-3397, United States
Sustaining Member
William Emfinger Construction Inc.
212 Beverly Dr., Lafayette LA, 70503 United States