Twenty-six of the school's seniors were among signees.
Ten seniors earned top marks from their employers.
The Morning Call, WFMZ and other media covered the ceremony.
The new facility will double the size of Lehigh Career & Technical Institute's current welding program lab.
Lehigh Career & Technical Institute has hundreds of students on co-op with dozens of Lehigh Valley companies.
Northampton Community College hosted the annual American Welding Society event.