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Contractor license records in Buffalo Grove, IL

6 records with Buffalo Grove as their locality of record in CSLB's records, as of November 3, 2026. Statuses print as the board records them; a record listed as suspended is not a current credential.

Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.

By classification in Buffalo Grove

Glazing (3) · General Building (2) · Insulation and Acoustical (2) · Cabinet, Millwork and Finish Carpentry (2) · Electrical (1) · Fire Protection (1) · Warm-Air Heating, Ventilating and Air-Conditioning (1) · Concrete (1) · Parking and Highway Improvement (1)

• ADVANCED WINDOW SYSTEMS CLEAR
  License 1103927 · expires April 30, 2027
• HOMEWOOD BUILDING SUPPLY CLEAR
  License 1103508 · expires April 30, 2027
• MEEKS CLEAR
  License 1103507 · expires April 30, 2027
• MIXONSITE USA INC CLEAR
  License 912772 · expires March 31, 2028
• PREMIER DESIGN & BUILD GROUP LLC CLEAR
  License 1005104 · expires July 31, 2027
• SIEMENS INDUSTRY INC CLEAR
  License 758796 · expires February 28, 2027