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Director of Purchasing: Renee R. Shirley

Phone: 515-239-1578
Email: Renee R. Shirley


Purchasing Agents and assigned responsibilities

Jody McNaughton

Senior purchasing agent
Phone: 515-239-1298
Email: jody.mcnaughton@dot.iowa.gov
• Above and below ground fuel storage tanks
• Building and general facility construction (non road)
• Communications equipment (towers)
• Hoop Storage Buildings
• Modular office systems

Carrie May

Senior purchasing agent
Phone:515-239-1168
Email carrie.may@dot.iowa.gov
• Computers and peripherals-desktop, laptop, tablets, projectors, servers, mainframes
• GIS sysystems
• IT consulting services and contracts
• Network copiers, fax machines
• Software/accessories
• Software maintenance

Zachary Gillen

Senior purchasing agent
Phone: 515- 239-1347
Email: zachary.gillen@dot.iowa.gov
  • Automobiles, pickups, vans, and light trucks
    • Automotive test equipment
    • Event planning
    • IT consulting services and contracts
    • Lab equipment (large)
    • Medium and heavy trucks
    • Mowing equipment, tractors, and mowers
  • • Portable GPS devices
    • Power equipment and power tools (large)
    • Road maintenance equipment
    • Snow removal equipment
    • Snow removal/mowing services
    • Survey Equipment
    • Trailers, all sizes

    Rhonda Ruark

    Senior purchasing agent
    Phone: 515- 239-1285
    Email: Rhonda Ruark
    • Aggregate
    •Building and general facility construction (non road)
    • Calcium chloride road materials
    • Cement, fly ash, bituminous products, and road oils
    • Enforcement uniforms and clothing
    • Highway road maintenance supplies
    • Herbicides
    • Roadside vegetation/seeds
    • Rock salt (bulk de-icing)
    • Specialized training
    • Traffic paint and reflectorizing spheres (beads)
    • Weapons, ammo, and related items

    Jean Gustafson

    Senior purchasing agent
    Phone: 515- 239-1173
    Email: Jean Gustafson
    • Auction services
    • Cell phones/two-way radios
    • Hardware items, electrical, batteries, and general shop supplies
    • Lamps, automotive and house
    • License plates raw material
    • LP gas
    • Lubricants and fuel
    • Parts and cutting edges for snow removal equipment
    • Repair parts and maintenance items (auto, truck, road, and snow removal equipment, and mowers)
    • Tires and tubes
    • Traffic signals and supplies

    David Doolittle

    Purchasing agent
    Phone: 515- 239-1374
    Email: David Doolittle
    • Commercial printing and printed items
    • Engineering and drafting equipment and supplies
    • Engraving
    • Hanicapped windshield placards
    • Janitorial and housekeeping supplies, machines, and trash bags
    • Lab supplies (small)
    • Office supplies, machines (small) and accessories
    • Packaging supplies
    • Parts washers
    • Photographic, small cameras and supplies
    • Publications
    • Safety and environmental supplies and PPE
    • TV and video supplies
    • Transportation maps
    • Uniform rentals (mechanics)

    Laura Linduski

    Purchasing agent
    Phone: 515-239-1429
    Email: Laura Linduski
    • Communication equipment and accessories
    • Guardrail and culverts
    • Janitorial and lawn care services — Rest areas and DL stations
    • Light poles, posts, fencing, steel, and aluminum
    • Paint and brushes (house, industrial, and auto)
    • Welding supplies & gases

    Julie Brown

    Purchasing agent
    Phone: 515-239-1310
    Email:Julie Brown
    • Central inventory warehouse and miscellaneous items

    Tiffany Stupp

    Purchasing agent
    Phone: 515-239-1572
    Email: Tiffany Stupp
    • Central inventory warehouse and miscellaneous items



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