GENERAL in Frederick, MD

4 records with this specialty and Frederick as their locality of record, from L&I's records, as of November 3, 2026.

Source: Washington State Department of Labor & Industries (L&I) — records as of November 3, 2026. Records change; the board’s own L&I Verify a Contractor is the current source.

LYNGSOE SYSTEMS INC ACTIVE
License LYNGSSI797MG · expires October 26, 2027
MARK YOUNG CONSTRUCTION LLC ACTIVE
License MARKYYC803NL · expires September 10, 2028
NEW ENERGY STRUCTURES COMPANY ACTIVE
License NEWENES746CR · expires February 23, 2028
WINDOW INST SPECIALISTS INC ACTIVE
License WINDOIS019R9 · expires October 21, 2027