company logo

John M. Jacobs Plumbing & Heating, Inc.


American Society of Heating, Refrigerating, and Air Conditioning Engineers

American Society of Mechanical Engineers

American Welding Society

Great Lakes Safety Training Center

Mechanical Contractors Association of America

Mechanical Contractor License - Michigan Deparment of Labor

Michigan Plumbing & Mechanical Contractors Association

Michigan State Plumbing Board

United Association of Plumbers & Pipe Fitters of the United States and Canada

All Employees and Owners Annually Drug Tested

Michigan Occupational Safety and Health Administration (Representative Certified)

Management and Unions Serving Together (M.U.S.T.)

Jacobs Plumbing Homepage

John M. Jacobs Plumbing & Heating, Inc. / Webmaster: Tim Jacobs / Updated 2/06