Our Clients

Hanna Consulting Group, Inc. has provided services in the area of construction claims analysis, project tracking, construction management training, alliance development, and design-build selection to more than 100 clients including private owners, government, general contactors, specialty contractors and national and international organizations. Most recent clients include:


Alliant Energy (Cedar Rapids, Iowa)
American Transmission Company (Waukesha, Wisconsin)
Enbridge Inc. (Calgary, Alberta)
John Deere (Davenport, Iowa)
The Construction User Roundtable (CURT) (Cincinnati, Ohio)
Wisconsin Department of Transportation (Madison, Wisconsin)

Law Firms

Carey, Scott, Douglas, PLLC (Charleston, West Virginia)
City, Hayes & Dissette, P.C. (Boston, Massachusetts)
Cousineau, McGuire Chartered (Minneapolis, Minnesota)
Fraser, Milner, Casgrain (Montreal, Canada)
Fryberger, Buchanan, Smith & Fredrick (Duluth, Minnesota)
Gould & Partner LLP (Chicago, Illinois)
Hendrick, Phillips, Salzman & Flatt (Atlanta, Georgia)
Law Firm of Coleman, Hull & Van Vliet, L.L.P. (Minneapolis, Minnesota)
Law Firm of Greenfelder, Hemer & Gale (St. Louis, Missouri)
Sigman, Janssen, Stack, Sewall & Pitz (Appleton, Wisconsin)
Stein, Ray & Harris LLP (Chicago, Illinois)


ACE Electric (Minneapolis, Minnesota)
Air Systems, Inc. (Oakland, California)
Black and McDonald (Ontario, Canada)
Bodine Electric of DeCatur (DeCatur, Illinois)
Brandt Engineering Co. (Dallas, Texas)
Brint Electric Inc. (Toledo, Ohio)
Broadway Electric (Boston, Massachusetts)
California Drywall Co. (San Jose, California)
Campbell and Kennedy Electric (Concord, Ontario)
Collins Electric Company Inc. (Stockton, California)
Con. J. Franke Electric Inc. (Stockton, California)
Construction Industry Resources (CIR)
CSI Electrical Contractors (Santa Fe Spring, California)
Dynaelectric (Miami, Florida)
Dynalectric Corporation (Los Alamitos, California)
E.S. Boulos (Westbrook, Minnesota)
E.S. Fox (Niagara Falls, Ontario)
Floor Daniel Inc. (South Carolina)
Forest Electric Corp. (Edison, New Jersey)
Foster – Jacob, Inc. (Peoria, Illinois)
Henkels & McCoy Inc. (Philadelphia, Pennsylvania)
Herman Goldner Co. (Philadelphia, Pennsylvania)
Illingworth Corporation (Milwaukee, Wisconsin)
J. C. Cannistraro (Watertown, Massachusetts)
J. F. Ahern Company (Fond Du Lac, Wisconsin)
Kleinknecht Organization (New York, New York)
Maron Elecrtic (Chicago, Illinois)
Massachusetts Electric (Newton, Massachusetts)
McCarl’s Company, Mechanical Contractors and Energy Services
Metropolitan Construction Inc. (San Francisco, California)
Morrow — Meadows Corporation (City of Industry, California)
Newkirk Electric (Flint, Michigan)
Peter Kiewit Construction (Omaha, Nebraska)
Pieper Power (Milwaukee, Wisconsin)
Pipe and Pilling Supplies (Quebec)
Revay and Association Limited (Montreal, Quebec)
RMF-Nooter (Dayton, Ohio)
Rogers Electric Inc. (Atlanta, Georgia)
S & T Electrical International Inc. (Sault Ste. Marie, Michigan)
Sims Electric Incorporated (Roseburg, Oregon)
Spark Electric (Springfield, New Jersey)
S & C Electric Company (Chicago, Illinois)
The Plan Group (Ontario)
Veca Electric (Seattle, Washington)
Walker Communication (Fairfield, California)

National and International Organizations

Canadian Mechanical Contracting Education Foundation (Ottawa, Canada)
Electrical Contractors Association of British Columbia (Burnaby, British Columbia)
Electrical Contractors Association of Canada (Ottawa, Canada)
Electrical Contractors Association of Ontario (Toronto, Ontaria)
MCA of Metropolitan Washington, Inc.
Mechanical Contractors Association of America (MCAA) (Rockville, Maryland)
Mechanical Contractors Association of Canada (Ottawa, Canada)
National Association of Construction Boilermaker Employess (NACBE)
(Geneva, Illinois)
National Electrical Contracting Association (NECA) (Bethesda, Maryland)
New Horizon Foundation (Chantilly, Virginia)
Plumbing Heating Cooling Contractots Association of Greater Bay Area
Sheet Metal and Air Conditioning Contractor’s National Association
(Chantill, Virginia)
South Nevada Chapter of NECA