Swearigen Aircraft Mfg. Co.

Licenses and Services
MD State Journeyman Licensed Plumbers
Medical Gas Certification
Backflow Prevention Certification
Certified Welders
MD State Master Plumber License #7401
Maryland State HVAC License #5531
Steam and hot water boiler installation
Design and build plumbing systems
Perform pipe and duct work insulation
Complete refrigeration installation service
MD State licensed sprinkler contractor






Swearigen Aircraft Mfg. Co.
In April, R.H. Lapp & Sons began the plumbing, heating and air conditioning systems at this facility located in Martinsburg, WV. Given a completion date of September, we finished the $2.2 million project within budget and on time.

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