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GRUNAU COMPANY TIMELINE

1920 – Grunau Company is established by Paul J. Grunau. The company offers plumbing
              and repair services to local clients.

1923 – To address industry changes and meet client needs, Grunau increases its services
              to include heating system installation.

1929 – Grunau continues to expand its services, adding fire protection to its list of
              specialties. The new service helps building owners protect their facilities and meet
              state codes.

1929 – Paul E. Grunau joins his father to help manage the rapidly developing business.

1960 – Grunau expands its already diversified business by offering sheet metal services
              to a growing list of clients.

1962 – Gary Grunau joins the company, representing the third generation of family leadership.

1967 – Grunau explores new markets, opening a shop in Indianapolis—its first shop
              outside Wisconsin.

1977 – Grunau adds specialty metal engineering, fabrication and installation services to its
              expanding list of capabilities by creating a separate division of the company.

1980 – Grunau expands eastward and begins operations in Pittsburgh.

1982 – Continued growth and development allow Grunau to push south and establish an
              office in Orlando, Fla.

1990 – Paul W. Grunau joins the company as a project manager to continue the tradition of
              service and workmanship that preceded him. His addition marks the fourth generation
              of family leadership. He is later promoted to Milwaukee branch manager.

1992 – Grunau modifies the company's vision to place an emphasis on performance and culture.

1994 – Grunau incorporates its Youngstown, Ohio, office to establish a presence in
              the central U.S.

1995 Paul W. Grunau takes the helm of the company when he becomes president after
              serving one year as executive vice president.

1999 – Grunau begins branding its specialty metal division, calling it Grunau Metals.

1999 – Paul W. Grunau purchases the company.

2003 – Grunau begins implementing lean construction techniques, business practices that               were first employed in the manufacturing industry. When used consistently, these               philosophies save time, materials and costs.

2006 – Paul W. Grunau sells Grunau Company to APi Group, Inc., of St. Paul, Minn. APi               Group is a family of best-in-class independently managed specialty contractors across               the United States and Canada.
2009 – Larry Loomis assumes the position of President of Grunau Company.



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