piping supervisor

plant worker

plumbing foreman

power plant mechanic

principal architect

public works director

remodeler

rig welder

right of way agent

roofing laborer

roughneck

safety professional

safety specialist

sandblaster

scaffolder

senior solutions architect

shipfitter

shop foreman

siding installer

site acquisition specialist

site manager

site superintendent

skilled laborer

steel fabricator

storage architect

structural designer

structural fitter

structural welder

sub contractor

survey party chief