Natural Resources Wales is looking for contractors to supply chemical spraying and respacing.
It wants to establish a framework agreement in 12 lots across Wales and expects to appoint five companies to the framework.
The four-year deal is worth up to £3 million.
Contact Huw Evans on 02920466019 or firstname.lastname@example.org or visit http://www.sell2wales.gov.uk/search/Search_AuthProfile.aspx?ID=AA0110 for more information.
The time limit for receipt of requests for documents or for accessing documents is 10 March and the deadline for receipt of tenders is 17 March at 1pm.