• Grosse Steel Co., Inc.

    PO Box 788

    Cedar Falls, IA 50613-0788

    Phone: (319) 277-5900

    Fax: (319) 277-5902

    Staff

    • Grosse, Robert - Founder & President
    • Grosse, Shane - Owner & Vice President
  • GTG Construction

    PO Box 917

    Johnston, IA 50131

    Phone: (515) 528-8178

    Fax: (515) 528-8299

    Web address: www.gtgcompanies.com

    At GTG Construction & Architects, we specialize in providing comprehensive design and construction solutions that seamlessly integrate architectural creativity with construction expertise. As a trusted partner in creating spaces that inspire and perform, we take pride in delivering projects that balance aesthetic appeal, functionality, and efficiency. Our collaborative approach ensures that every project reflects our clients' unique vision while meeting the highest standards of quality. From initial concept to final construction, we are committed to transforming ideas into exceptional spaces tailored to the needs of each client.

    Staff

    • Reynolds, Jessica - Owner
  • Hanna Plumbing & Heating, Inc.

    1155 3rd Ave.

    Marion, IA 52302

    Phone: (319) 377-2809

    Fax: (319) 377-7305

    Web address: www.hannaplumbingheating.com/

    Staff

    • Hanna, Tim - Manager/Owner
  • Harger's Acoustics, Inc.

    2245 State Street

    Ely, IA 52227-9602

    Phone: (319) 848-4000

    Fax: (319) 848-4190

    Harger's Acoustics, Inc. specializes in acoustical and specialty ceilings and wall panels. We have been in business for 47 years. Many of our employees have been with the company for over 25 years. We take great pride in the work we do and strive to make every customer happy.

    Staff

    • Zbanek, Kelly - President
  • Hart-Hammer Inc.

    PO Box 65517

    West Des Moines, IA 50265

    Phone: (515) 277-6305

    Fax: (515) 277-3069

    Web address: www.harthammer.com

    Hart-Hammer Inc is an Iowa based company with offices in Des Moines and Davenport. We are a manufacturer's representative for approximately 30 companies, offering engineering support for the HVAC products. Our customer base is Iowa, Nebraska, and Western Illinois.

    Staff

    • Hart, Kevin - President
    • Hammer, Jeff - Vice President
    • Happel, Renee - VP-AD
    • Hart-Hammer Inc.

      5547 Carey Ave.

      Davenport, IA 52807-2634

      Phone: (563) 823-0474

      Fax: (563) 388-7848

  • Hawkeye Paving Corporation

    4241 W. 83rd St.

    Davenport, IA 52806

    Phone: (563) 529-0287

    Fax: (563) 359-6266

    Web address: www.hawkeyepaving.com

    Hawkeye Paving Corp is a heavy highway contractor with expertise in concrete paving, patching, bridge deck overlays, bridge approaches, underground utilities, excavation and demolition. Family owned and established in 1983.

    Staff

    • Perkins, Beau - Owner
    • Hawkeye Paving Corporation

      110 E. School St.

      Carlisle, IA 50047

      Phone: (563) 355-6834

  • Hawkeye Ready Mix, Inc.

    PO Box 1367

    Cedar Rapids, IA 52406

    Phone: (319) 395-7061

    Fax: (319) 393-2507

    Hawkeye Ready Mix Inc is a ready mix concrete producer serving primarily Linn and Johnson County. We also produce miscellaneous precast items, sills, curbs, bunker and retaining wall blocks, etc.

    Staff

    • Sauter, James - President
    • Becker, Jim - Location Manager
    • King, Jarod - Location Manager
    • Dakota Red Corporation

      650 12th Ave. SW

      Cedar Rapids, IA 52404

      Phone: (319) 364-4144

      Fax: (319) 364-4147

    • Hawkeye Ready Mix, Inc.

      410 First Avenue North

      Mount Vernon, IA 52314-1407

      Phone: (319) 895-8801

      Fax: (319) 895-8802

      Hawkeye Ready Mix Inc is a ready mix concrete producer serving primarily Linn and Johnson County. We also produce miscellaneous precast items, sills, curbs, etc.

    • Hawkeye Ready Mix, Inc.

      617 Ingleside Drive SW

      Cedar Rapids, IA 52404

      Phone: (319) 395-7061

      Fax: (319) 393-2507

    • Hawkeye Ready Mix, Inc.

      PO Box 5068

      Coralville, IA 52241-0068

      Phone: (319) 354-5440

      Fax: (319) 354-9304

      Hawkeye Ready Mix Inc is a ready mix concrete producer serving primarily Linn and Johnson County. We also produce miscellaneous precast items, sills, curbs, etc.

      Staff

      • Kirk, Klint - General Manager
  • Hay Construction Services, Inc.

    16 South 18th Ave.

    Marshalltown, IA 50158

    Phone: (641) 752-3551

    Fax: (641) 752-3657

    Web address: www.hay-construction.com

    For 20 years, Hay Construction has been an industry leader in the construction business in central Iowa. As general contractors and builders, we provide superior service to all of our clients in the areas of commercial, institutional, and industrial construction. Our focus on employee development enables our qualified team to employ the latest technology and strive for continuous improvement in order to best serve our customers and contribute positively to our suppliers and our community. At Hay Construction, we approach every project with the highest standard of ethics, while providing quality service and products to each client.

    Staff

    • Mahlstede, John - President
    • Hoy, Jordan - Vice President
  • Henkel Construction Co.

    208 E. State St.

    Mason City, IA 50401-3406

    Phone: (641) 423-5674

    Fax: (641) 423-9244

    Web address: www.henkelconstruction.com

    Henkel Construction Company, the second oldest construction company in Iowa, builds healthcare, commercial, industrial, retail, institutional and heavy-highway projects. Current projects include work on several healthcare campuses, theatre projects, preservation of Frank Lloyd Wright's Park Inn Hotel, two community college activity centers, industrial projects, retail stores, and bridges for the Iowa DOT. Projects range in value from $500,000 to $30 million. Half of our work is design-build or construction management and the other half is competitively bid.

    Staff

    • Brcka, Kent - President
    • Watson, Steve - Vice President of Preconstruction Services
    • Hubbard, Cheryl - VP of Operations, North Iowa
    • Henkel Construction Co.

      2500 Ford Street

      Ames, IA 50010

      Phone: (515) 232-7072

      Fax: (515) 663-9644

      Web address: www.henkelconstruction.com

      Staff

      • Knipp, Jason - VP of Operations, Central Iowa
  • Henning Companies

    PO Box 394

    Johnston, IA 50131

    Phone: (515) 253-0943

    Fax: (515) 253-0942

    Web address: www.henningcompanies.com

    Third-generation, family owned and operated, Henning Companies celebrates over 95 years in the construction industry. Henning Companies provides solutions that positively impact a wide range of customers. Their continued expansion into commercial and industrial construction industries now includes commercial offices, retail, tenant improvements, warehouses, manufacturing, hospitality, and multi-family markets.

    Staff

    • Walker, Kevin - President
    • Koch, Alan - Chief Executive Officer
    • Ellerbusch, Mark - Executive Vice President
    • Henning, Jeff - Co-Chief Executive Officer
    • Sparks, James - Vice President Preconstruction
    • Voggesser, Chris - V.P. of Business Development