Isaac Blair & Co., Inc.

Isaac Blair & Co., Inc. was established in 1820 and purchased by Daniel Marr & Son in 1969. The company provides specialty construction shoring and rigging services and has developed an unparalleled expertise in solving complex shoring and rigging challenges.

historical faces and wall bracing photo

Historical Facades and Wall Bracing

foundation failure shoring photo

Foundation Failure

roof truss failure shoring photo

Roof Truss Failure

column replacement shoring photo

Column Replacement

Calibrated Jacking

Needle Shoring

environmental work shoring photo

Environmental Work

building remediation photo

Building Remediation