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Director of Purchasing Renee R. Shirley, 515-239-1578

Purchasing Agents and their assigned commodities

Mary Zimmerman, senior purchasing agent, 515-239-1298

• Building & general facility construction (non road)
• Communications equipment (towers)
• Hoop Storage Buildings
• Rest Area Lawn Care
• Rest Area Grasses and Forbs Seed
• Modular office systems
• Window treatments
• Above & below ground fuel storage tanks
• Rest Area Janitorial

Laurie Hoing, senior purchasing agent, 515-239-1168

• Computers & peripherals-desktop, laptop, tablets, projectors, servers, mainframes
• Software & software maintenance
• Software & accessories

• Mainframe telephone systems
• AVL/GIS systems
• IT consulting services & contracts
• Network Copiers, Fax machines

Zachary Gillen, senior purchasing agent, 515- 239-1347

• Automobiles, pickups, vans & light trucks
• Medium & heavy trucks
• Road maintenance equipment
• Mowing equipment, tractors & mowers
• Snow removal equipment
• Electronic Survey Equipment
• Trailers, all sizes
• Portable GPS devices
• Power equipment & power tools (large)
• Automotive test equipment
• Surveying equipment
• Fabricated parts & metal items
• Lab Equipment (large)

David Doolittle, purchasing agent, 515- 239-1374

•Commercial printing & printed items
• Copier, Fax machine supplies (consumables)
• Graphic & printing supplies
• Paper (copier,printing & engineering)
• Office supplies, machines (small) & accessories
• TV's & video supplies
• Photographic, small cameras & supplies
• Packaging supplies
• Safety and Environmental supplies
• Janitorial & housekeeping supplies, machines & trash bags
• Engineering & drafting equipment & supplies
• Publications & prerecorded tapes
• Transportation maps
• Hanicapped windshield placards
• Mechanics Uniform
• Lab Supplies (small)
• Engraving

Rhonda Ruark, purchasing agent, 515- 239-1285

• Highway road maintenance supplies
• Aggregate & calcium chloride
• Cement , fly ash, bituminous products,
& road oils
• LP gas
• Herbicides
• Traffic paint & reflectorizing spheres (paint beads)
• Traffic signals & supplies
• Guardrail, culverts & bridge railing
• Rock salt (bulk de-icing)

• Light poles, posts, fencing, steel and aluminum
• Plywood, and fabricated wood items
• Sign sheeting and sign shop supplies
• Enforcement Uniforms, clothing and protective apparel
• Weapons, ammo & related items
• Safety & environmental supplies
• Weapons, ammo & related items
•Specialized training

Jean Gustafson, purchasing agent, 515- 239-1173

• Repair parts & maintenance items (auto, truck, road & snow removal equipment, mowers)
• Parts & cutting edges for snow removal equipment
• Lubricants & fuel
• Tires & tubes
• Hardware items, electrical & general shop supplies
• Welding supplies & gases
• Small power & hand tools
• Lamps, automotive & house
• Paint & brushes (house, industrial & auto)
• License plates raw material
• Shelving & material handling devices
• Communication equipment & parts (cell phones & radios)


Purchasing Assistants

Laura Linduski, purchasing assistant, 515-239-1429
Web administrator, Internet applications, PCard coordinator, Purchase overflow, Contracts, TSB & Vendor orientations

Julie Brown, purchasing assistant, 515-239-1310
Invoice payments, Wright Express account & Vendor applications

Tiffany Stupp, purchasing assistant, 515-239-1572
Invoice payments, Office Max account & Vendor applications

Purchasing Home | Contact Us | State of Iowa
This page is maintained by Laura Linduski, Iowa DOT Purchasing