Southern Industrial employs over 1,000 skilled project managers, field superintendents, craftsmen, equipment operators, estimators, engineers, administrators, and safety professionals that have performed projects ranging in size from $500 to $40 million.
- Earl Johnson, Jr. starts Carolina Crane Corporation in Raleign, NC.
- First Crane - a Lorain Crane MC 325.
- First job erection of an asphalt plant in Wilson, NC.
- Second job erection of a new Ralston Purina plant.
- Carolina Crane adds a Bucyrus-Erie H-5 15-ton Hydro-Crane.
- Another Bucyrus-Erie H-5 15-ton Hydro-Crane is added to the fleet along with a 40-ton Lorain. a Lorain MC-545 and a Lorain MC-550.
- Carolina Crane has eight cranes ranging in size from 15 to 50 tons. The fleet is comprised of six hydraulic cranes, one 25-ton Northwest dragline crawler, and one 30-ton Bucyrus-Erie crawler. Carolina Crane is still the only crane company from Raleigh to the coast of North Carolina.
- Earl Johnson, Jr. buys out his original partner and Carolina Crane joins the Specialized Carriers and Rigging Association.
- John Wilson joins the company.
- Johnson is elected president of the Specialized Carriers and Rigging Association.
- Carolina Crane Corporation's name is changed to Southern Industrial Constructors, Inc.
- A new branch is opened in Wilmington, NC.
- Earl Johnson, III joins the company.
- John Wilson and Earl Johnson, III become owners in Southern Industrial and Carolina Crane.
- Wilson becomes president of Southern Industrial.
- Earl Johnson, III becomes president of Carolina Crane and eventually Southern Crane.
- Earl Johnson, Jr. takes the title of chairman.
- Southern Industrial's crane services operations begin doing business as Southern Crane.
- Southern Industrial opens a branch operation in Columbia, South Carolina.
- Southern Industrial Constructors, Inc. is acquired by EMCOR Group, Inc to add to EMCOR's growing industrial services capabilities.