• The Underground Co., Ltd.

    12245 Dakota Street

    Carlisle, IA

    Phone: (515) 282-8455

    Fax: (515) 282-8465

    The Underground Company is a medium size construction firm, specializing in sewer and water utility installations for private and municipal entities. Subsidiary work includes concrete form, grade and directional drilling, site grading and truck hauling.

    Staff

    • Burkhardt, Duane - Owner/President
    • Burkhardt, Chris - Vice President
    • Donahue, Brad - Safety Director
    • Burkhardt, Rhonda - Secretary/Treasurer
  • The Waldinger Corporation

    6200 Scout Trail

    Des Moines, IA

    Phone: (515) 284-1911

    Fax: (515) 323-5150

    Web address: www.waldinger.com

    102 year old company providing complete design and construction services of mechanical, electrical, plumbing and HVAC systems, including automation, controls, security and building maintenance and service. Additionally, the company provides architectural sheet metal work and commercial food service equipment and industrial ventilation, piping and maintenance throughout Iowa.

    Staff

    • Schlotfeldt, Tom - Executive Vice President
    • Miller, Dave - Sr. Vice President
    • Hagberg, Nate - Vice President, Mechanical Division
    • Hampton, Dan - PE / Vice President - Sheet Metal
    • Mass, Tom - Past President - Des Moines Division
    • Porepp, Joe - Iowa Division President
    • Roth, Matt - Vice President of Construction Administration
    • LADCO/Division of The Waldinger Corporation

      1035 Rockford Rd. SW

      Cedar Rapids, IA

      Phone: (319) 364-0231

      Fax: (319) 364-2690

    • The Waldinger Corporation

      1035 Rockford Road SW

      Cedar Rapids, IA

      Phone: (319) 393-1850

      Fax: (319) 393-9075

    • The Waldinger Corporation

      8802 South 121st Street

      La Vista, NE

      Phone: (402) 339-2666

      Fax: (402) 339-5824

    • The Waldinger Corporation / Industrial Refrigeration Division

      6200 Scout Trail

      Des Moines, IA

      Phone: (515) 284-1911

      Fax: (515) 964-4298

      Web address: www.waldinger.com

      In 1992, Rod Heston established Industrial Refrigeration Services (IRS), a leader in the Midwest for ammonia refrigeration systems. The company has expertise in the design build of ammonia systems, along with an excellent service department for the repair of existing systems. In 1999 Rod established, Innovative Mechanical Services (IMS), a complete electrical contracting department. This allowed IRS to supply its customers with a turnkey cost without going outside the company for an electrical cost.

      Staff

      • Lillegard, Shane - Service Manager
  • The Weitz Company

    611 5th Ave., Suite 300

    Des Moines, IA

    Phone: (515) 246-4700

    Fax: (515) 246-4799

    Web address: www.weitz.com

    At Weitz, we believe effectiveness is more important than mere efficiency. The latter gets the job done, the former gets it done right. Our charge isn't to simply assemble a structure, it's to build trusting relationships that stand the test of time. It all boils down to the right people. Smart ones. employees who are so engaged in their work that they go the extra mile and then some.

    Staff

    • Tousley, Mike - Executive Vice President
    • Gardner, Andy - Vice President
    • Babcock, Karmyn - Executive Vice President, Strategy Execution
    • Robinson, Krista - VP of Human Resources
    • The Weitz Company

      1161 63rd Ave. SW

      Cedar Rapids, IA

      Phone: (319) 247-7400

      Fax: (319) 247-7375

    • The Weitz Company

      611 5th Ave.

      Des Moines, IA

      Phone: (515) 698-4260

      Staff

      • Lamb, Ryan - General Manager - Mission Critical
    • The Weitz Company

      8715 South 121st Street

      La Vista, NE

      Phone: (402) 592-7000

      Fax: (402) 592-0015

  • Thompson

    2300 7th St.

    Sioux City, IA

    Phone: (712) 252-4221

    Fax: (712) 252-5344

    Web address: www.thompsonknows.com

    Tec-Corp holds Thompson Electric Company & Electric Innovations. With offices in Sioux Falls, SD, Sioux City, IA, and Omaha, NE, Tec-Corp acts in support of each of the operating companies and offers services not available individually. Some of these services are financial, loss prevention, information systems, fleet management, documentation and training. Tec-Corp represents quality in the electrical industry.

    Staff

    • Olson, James - President
    • Hunold, Wes - Executive Vice President
    • Beaulieu, Renee - President/Treasurer/CFO
    • Thompson

      3505 S. 61st Ave. Circle

      Omaha, NE

      Phone: (402) 891-9480

      Fax: (402) 891-9463

      Staff

      • Spader, Brian - President
  • Tjaden Electric Company LLC

    114 1st St. SE

    Badger, IA

    Phone: (515) 570-4867

    Founded in 1978 Tjaden Electric has served Fort Dodge and surrounding communities for 45 years practicing residential, industrial, and commercial electrical projects of varying size and type. In 2021 Tjaden Electric also began serving the Des Moines Market and surrounding communities for Commercial and Industrial projects. Our company motto is simple; "Do Better". We employ this in every aspect of our business to help better service our community, customers, and employees day in and day out.

    Staff

    • Harrison, Cody - President
    • Harrison, Cassandra - Vice President
  • TNT Tuckpointing & Building Restoration LLC

    202 Iowa St.

    Stockton, IA

    Phone: (563) 785-0120

    Fax: (888) 461-7027

    Web address: www.tnttuckpointing.com

    TNT Tuckpointing's goal is to be a leading contractor in masonry restoration by providing high quality craftsmanship, professionalism, as well as superb customer service and satisfaction at all times. We have experience working on public and private projects and on commercial and residential properties. TNT was established in 1993. We are a targeted small business that's family owned and operated, and we are licensed, bonded, and insured.

    Staff

    • Smyser, Joshua - Owner
    • Smyser, Megan - Owner
  • Todd & Sargent, Inc.

    2905 SE 5th Street

    Ames, IA

    Phone: (515) 956-4805

    Web address: www.tsargent.com

    Staff

    • Sargent, Jon - President/CEO
    • Mohlke, Christie - Vice President of People
    • Sylvester, Scott - Vice President Business Development
    • Watson, Brian - VP of Project Management
  • Tometich Engineering, Inc

    10501 Buena Vista Court

    Urbandale, IA

    Phone: (515) 280-8022

    Tometich Engineering is a full service structural engineering company that provides design, drawing, analysis, inspections, forensic investigations and expert witness testifying. TE engineers are registered in 15 states including all of the states that surround Iowa plus Colorado, Texas, North Carolina and Arizona. TE has been in business for 30 years.

    Staff

    • Tometich, Jim - President
  • Tony's Plumbing & Heating LLC

    102 Dean Lee Dr.

    Cedar Falls, IA

    Phone: (319) 277-2750

    Fax: (319) 277-3311

    Web address: www.tonysphc.com

    Tony's Plumbing & Heating Company is a full-service commercial and residential contractor for plumbing, also working with our sub-contractors for HVAC. The Company's experienced employees are our greatest asset who ensures that work is done right the first time.

    Staff

    • Halterman, Tony - Owner/President
    • Caswell, Mike - Owner/Estimator
  • Tri-City Group

    6225 N. Brady Street

    Davenport, IA

    Phone: (563) 322-7181

    Web address: www.tricitygroup.com

    Tri-City Group has evolved from its roots as an electrical contractor to include low voltage technology, power testing solutions, engineering & integration services, renewable energy, structural steel erection, fire protection systems, automated solutions & robotics, millwright services, masonry & restoration, concrete and more. Expanding awareness of Tri-City’s full breadth of capabilities established the organization as a trusted, reliable partner to whom clients can turn for a variety of needs and projects. With more than 2,800 employees, Tri-City has proudly contributed to projects in 46 states, two U.S. territories and six countries.

    Staff

    • Palmer, Douglas - President/CEO
    • Keeney, Travis - Vice President of Risk Management
    • Vonderhaar, Tom - V.P. Strategic Development
    • B&B Masonry & Restoration

      2723 N. Clark Street

      Davenport, IA

      Phone: (563) 388-6790

      Web address: www.bbmsnry.com

      B&B has been serving customers since 2013 and offers new and add-on building construction, CMU, brick and stone, tuckpointing, decorative stone patching, concrete patching, and restoration. Whether you need to nail a new construction project, or make your vision come to life with restoration, the B&B team is ready to deliver.

      Staff

      • Treiber, Brad - President
      • Putman, Rodney - Operations/Estimator
    • Industrial Steel Erectors

      2723 N. Clark Street

      Davenport, IA

      Phone: (563) 355-7202

      Web address: www.industrialsteelerectors.com

      Industrial Steel Erectors is proud to offer Structural Steel Erection, installation of Precast and Pre-Engineered Metal Buildings, Reinforcing Steel, along with Fabrication and Welding Services.

      Staff

      • Treiber, Brad - President
    • Paramount Millwright Services

      6225 N. Brady St., #102

      Davenport, IA

      Phone: (563) 332-7361

      Web address: www.tricitymws.com

      Paramount Millwright Services has been serving customers since 2003 and with years of experience and top safety training, the team installs and services machinery, offers fabrication and welding, lifting, and rigging in a wide variety of industries ranging from agricultural and medical to industrial and mining.

      Staff

      • Harvey, Mitch - Vice President
      • Ortega, Mike - Manager of Industrial Construction
    • Treiber Construction Company Inc.

      2728 N. Clark Street

      Davenport, IA

      Phone: (563) 386-5151

      Web address: www.treiberconstruction.com

      Treiber Construction is an industry-leading concrete contractor with decades of experience. Since 1929, the team has led with quality and skill to deliver the very best concrete and excavating services possible. From foundations to structural concrete and beyond, our dedicated team delivers quality products with skilled, union craft workers for the best project outcomes.

      Staff

      • Treiber, Brad - President
      • Treiber, Brett - Vice President
      • Ryan, Jeff - Controller
      • Garrett, Jim - Project Estimator
      • Weiman, John - Estimator/Project Manager
    • Tri-City Electric Co.

      1821 Ingersoll Ave.

      Des Moines, IA

      Phone: (515) 288-7181

      Web address: www.tricityelectric.com

      Established in 1895, Tri-City Electric began as an electrical contractor and supplier. Over the course of more than a century, the Tri-City name has grown while continuing to deliver confidence across all services. Today, ranked 25th among the leading electrical contractors in the country, as well as a top-rated specialty contractor, delivering 24-hour services in commercial and industrial electrical construction, renewable energy, power testing solutions, engineering & integration, low voltage structured cabling, security cameras & card access, audio/visual, business telecommunications, electrical & residential services, and IT solutions.

      Staff

      • Schwaller, Cody - Business Development Manager
      • Dayton, Nocona - Client Relations Manager
      • Irving, John - President - Central Iowa Division
    • Tri-City Electric Co.

      6225 N. Brady St.

      Davenport, IA

      Phone: (563) 322-7181

      Web address: www.tricityelectric.com

      Staff

      • Palmer, Douglas - President/CEO
      • Keeney, Travis - Vice President of Risk Management
      • Daily, Todd - Vice President of Engineered Solutions
      • Honts, Dale - Vice President of Industrial Electrical
      • Huskey, Mike - Vice President of Commercial Estimating
      • Jones, Jeff - Vice President Commercial Electrical
      • Palmer, Andrew - Executive Vice President of Electrical Construction
      • Palmer, Ben - Executive Vice President of Procurement & Logistics
      • Palmer, Ryan - Executive Vice President of Technologies
      • Vonderhaar, Tom - V.P. Strategic Development
    • Tri-City Fire Protection

      1821 Ingersoll Avenue

      Des Moines, IA

      Phone: (515) 650-4522

      Web address: www.tricityfp.com

      Tri-City Fire Protection has been serving customers since 2020 and is proud to offer a full line of sprinkler services – from inspections to completed contract sales, and 24/7 ongoing emergency support.

    • Tri-City Fire Protection

      6225 N. Brady Street

      Davenport, IA

      Phone: (563) 441-8350

      Web address: www.tricityfp.com

      Tri-City Fire Protection has been serving customers since 2020 and is proud to offer a full line of sprinkler services – from inspections to completed contract sales, and 24/7 ongoing emergency support.

      Staff

      • Harvey, Mitch - Vice President
      • Watters, Bill - Division Manager
    • Tri-City Ironworks

      1821 Ingersoll Ave.

      Des Moines, IA

      Phone: (515) 644-6200

      Web address: www.tricityironworks.com

      Tri-City Ironworks has been serving customers since 2019 and is proud to offer Structural Steel Erection, installation of Precast and Pre-Engineered Metal Buildings, Reinforcing Steel, along with Fabrication and Welding Services.

    • Tri-City Ironworks

      6225 N. Brady Street

      Davenport, IA

      Phone: (563) 441-8340

      Web address: www.tricityironworks.com

      Tri-City Ironworks has been serving customers since 2019 and is proud to offer Structural Steel Erection, installation of Precast and Pre-Engineered Metal Buildings, Reinforcing Steel, along with Fabrication and Welding Services.

      Staff

      • Harvey, Mitch - Vice President
      • Ortega, Mike - Manager of Industrial Construction