Northwich Victoria and Weymouth are due to play in the Conference National next season after both secured top spot in Conference North and South.
Garry Hill and Steve Burr have both guided their teams to promotion
However, Weymouth's promotion may be subject to a possible investigation into an alleged ineligible player row.
Midfielder Soloman Taiwo played two games for the Terras in the autumn, in which they collected four points.
It has been claimed he did not have international clearance when he joined Maidenhead, before joining Weymouth.
However, the Conference are yet to rule on the matter.
Northwich beat their nearest rivals Stafford Rangers 3-1 to clinch the title in Conference North.
Weymouth made sure of top spot in Conference South after winning 2-0 at Bishop's Stortford on Saturday.
A second team will be promoted from each regional division after the teams finishing second, third, fourth and fifth take part in a play-off.
Stafford and Nuneaton have already booked their places in the Conference North play-offs, while St Albans, Farnborough and Lewes will definitely finish in the top five of Conference South.