mechanical contractor services; general construction contracting; construction, service, and maintenance of plumbing, piping, heating, ventilation, and air conditioning systems

'air':17 'condit':18 'construct':5,7 'contract':6 'contractor':2 'general':4 'heat':14 'mainten':10 'mechan':1 'pipe':13 'plumb':12 'servic':3,8 'system':19 'ventil':15

engineering services provided in the fields of plumbing, piping, heating, ventilation, and air conditioning systems; engineering services, namely, design of plumbing, piping, heating, ventilation, and air conditioning systems

'air':13,26 'condit':14,27 'design':19 'engin':1,16 'field':6 'heat':10,23 'name':18 'pipe':9,22 'plumb':8,21 'provid':3 'servic':2,17 'system':15,28 'ventil':11,24

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