We seek vendors who share our commitment to equal opportunity and affirmative action. Purchasing and Contract Services.This contracting guide is for providers who are contracting with or are interested in contracting with Hennepin. County Health and Human Services. Independent irrigation companies usually do free bids. New construction commercial service. Listed below are the contracts currently available to CPV Members. Application Instructions. Read ALL instructions carefully before filling out the application. Most construction projects require you to obtain permits before you start the work.