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Layton E. Drayton
Delaware (Bridgeville) - Plumbing - Master Plumber
Active -
Larry Fellows
Delaware (Walkersville) - Plumbing - Master Plumber
Active -
Lawrence W. Gory
Delaware (Buckingham) - Plumbing - Master Plumber
Lapsed -
Larry L Hay
Delaware (Bear) - Plumbing - Master Plumber
Lapsed -
Louis S Haslup
Delaware (Pasadena) - Plumbing - Master Plumber
Lapsed -
Lawrence J. Lewandowski
Delaware (Lewes) - Plumbing - Master Plumber
Active -
Lawson J Losh, II
Delaware (Harrington) - Plumbing - Master Plumber
Active -
Louis John C. Mank
Delaware (Baltimore) - Plumbing - Master Plumber
Active -
Lawrence C McNutt
Delaware (Newark) - Plumbing - Master Plumber
Lapsed -
Leonard N Mele
Delaware (Wilmington) - Plumbing - Master Plumber
Lapsed -
Larry F. Mohr, Sr.
Delaware (Seaford) - Plumbing - Master Plumber
Lapsed -
Leonard E Nichols
Delaware (Denton) - Plumbing - Master Plumber
Lapsed -
Leonard E Nichols
Delaware (Denton) - Plumbing - Master Plumber
Active -
Louis G Perna
Delaware (Newark) - Plumbing - Master Plumber
Active -
Leon A Rapuano, Jr.
Delaware (Wilmington) - Plumbing - Master Plumber
Active -
Leon A Rapuano, Sr.
Delaware (Wilmington) - Plumbing - Master Plumber
Lapsed -
Louis A Raymond
Delaware (West Chester) - Plumbing - Master Plumber
Active -
Larry J Rickards
Delaware (Millsboro) - Plumbing - Master Plumber
Active -
Lockwood Richards
Delaware (Greenwood) - Plumbing - Master Plumber
Lapsed -
Lutz S Schulze
Delaware (Newark) - Plumbing - Master Plumber
Active