Kantex Subsurface Inc.

National Agreements:

• National Pipeline Agreement
• National Distribution and Utilities and Maintenance Agreement
• National Maintenance Agreement

Local Agreements:

Colorado:

• Operating Engineers Local 9
• Laborers Local 720

California:

• Operating Engineers Local 3; Northern California Construction Agreement
• Operating Engineers Local 12

Illinois:

• Local 520; Building and Heavy Construction Agreement
• Local 150; Building Agreement
• Construction and General Laborers District Council of Chicago and Vicinity
• Twelve Counties Southwestern Illinois Laborers Local 338; Building and Heavy Highway
• Laborers Local 477; Heavy and Highway and Utility Construction

Indiana:

• Mid Central Engineers Local 841 and 649
• Local 120 LIUNA and the Highway, Heavy and Utility Division
• Northwest Indiana Contractors Association Local 41 and 81

Iowa:

• IUOELocal 234; Heavy Highway construction Agreement
• IUOE Local 234; Energy, Chemical, and Heavy Industrial Agreement
• IUOE Local 234; Building Construction Agreement

Missouri:

• Operating Engineers Local 513; Building Agreement
• Operating Engineers Local 513; General Contractors of St. Louis
• Eastern Missouri Laborers District Council Local 42, 53, 110; Site, Building and Highway Agreement