How to bid on a Services, Supplies, and Equipment contract. File a contracting disclosure form.Construction contractors interested in performing construction contracts with the department must first complete the Vendor Registration process. Have a public bid in the energy sector you are looking to fill? Contact us via phone or email us. The Instructions to Bidders document is attached following this page. Please download the RFP to fill out the required form to submit your proposal. You have reached the limit of daily search requests. Learn about current bid and contract opportunities available to consultants, service providers, contractors, vendors, or suppliers. Free and paid Proposals Bids classified ads.