Master Mechanical Insulation Personnel

Mary Jo Pethke

President

Mary Jo founded the company in 1990 and has 20 years experience in the industry.


Jeff Pethke

Vice-President

Jeff has been with Master Mechanical Insulation since June of 1990. Prior to MMI he spent 21 years with Johns Manville Detroit Contracting Unit starting as superintendent and ending out as the unit manager.

Gerard Kulka

Estimating Manager

Gerard has been with the company for 13 years with 30 years experience in the industry.

Justin Pethke

Construction Manager

Justin is a recent graduate of Western Michigan University and joined the company in 2005.

Bill Dupart

Material Manager

Bill has been with the company for 18 years with 22 years in the industry.

Robin Dillon

Office Manager

Robin has been with the company since 1999.
Call (248) 581-0033 or click for industrial insulation or HVAC services.

Master Mechanical Insulation | Insulation Contractors, Troy, Michigan

Serving the entire state of Michigan, but primarily Southeastern Michigan, including: Troy, Ann Arbor, Sterling Heights, Warren, Royal Oak, Southfield, Dearborn, Wyandotte, Warren, Clinton, St. Clair Shores, Detroit and the surrounding areas.