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Department of Roads


JoAnna Strizic, Assistant Purchasing Manager, oversees purchasing for the Macomb County Department of Roads. She and her staff are responsible for all general purchases from the receipt of the requisition to the delivery of the item. We strive to purchase the best quality product at the most competitive rate. 

Current Bid Lists and Final Tabulations 

To submit a bid, download, print and submit all documentation. Proposals must be received in a sealed envelope clearly marked with the proposed item and bid number to: Macomb County Department of Roads, 34592 Nova Dr., Clinton Twp., MI  48035, ATTN: JoAnna Strizic, c\o Sara Lozen. Final tabulations will be posted upon availability. 


Important Information

Tax Exemption Certificate

Minimum Insurance Requirements 

Non Collusion Affidavit 

Purchasing Department Contact Information


Vendor Registration Process

Macomb County has joined the Michigan Inter-governmental Trade Network (MITN). The County will be posting proposals on the MITN website.

To register as a vendor, complete the following steps:

1. Go to

2. Click on "Vendor Registration"

3. Proceed to vendor registration

4. Start filling out online form

This website provides detailed instructions on how to fill out the form and offers vendor support.



Purchasing Thresholds: 

$500 - $1,000 Informal Quote 

$1,000 - $5,000 Formal Quote 

$5,000+ Bid


Purchasing Contacts

JoAnna K. Strizic
Assistant Purchasing Manager

Sara Lozen
Stock and Inventory Foreman

Les Durr

Department Secretary
Phone: 586-791-3373
Fax: 586-791-5860



​​​​MITN Bidder Registration