St. Clair Construction, Inc. owns a large fleet of construction equipment to include:
- 2009 Peterbilt Dump Truck & Trailer
- 2005 Peterbilt Truck w/Tadono Crane
- 2005 Kenworth T800B Tractor
- 2005 Kenworth W900 Tractor
- 2004 42' Beall Bottom Dump Trailer
- 2001 65 Ton Aspen Lo Boy Trailer
- 2001 30 Ton End Dump Trailer
- 2006 Ranco 32' End Dump Trailer
- 2006 Trail King Flatbed Trailer
- 2012 Trail Blazer Belly Dump Trailer
- 2010 PC270-8 Komatsu Excavator
- 2007 PC138USLC-8 Komatsu Excavator
- 2002 PX61EX-12 Komatsu Dozer
- Portable generators, compressors, compactors, cut-off saws, pumps, Optical level, Laserplane laser level, Laserplane pipe laser, and Multiquip Concrete Saw.
- 1996 D4 HXL Caterpillar Dozer
- 2000 SD650 Komatsu Grader
- 1999 D-115 Ingersoll-Rand Padfoot Roller
- 2003 SD-22 Ingersoll-Rand Roller
- 2007 SD25D Ingersoll-Rand Roller
- 1998 WA380-3 Wheel Loader
- 2005 WA380-5 Wheel Loader
- 2001 WB140 Komatsu Backhoe
- 1998 873 Bobcat Skid Steer
- 2005 Kenworth T300 Water Truck
- 2007 Utility Dropdeck Trailer