LONDON -- We've already had a look at three FTSE 100 companies scheduled to bring us news next week. But we're heading into a busy period for companies with quarters ending in March, and we quite have a few more to come during the month. Here are three more companies from the top-tier index due to report next week:

Land Securities Group
We've seen that British Land Company is set to reveal its full-year results next Tuesday, and fellow Real-Estate Investment Trust Land Securities Group (LSE:LAND) is due to do the same on Wednesday. Land Securities shares are up nearly 25% over the past 12 months, having been on a bit of a surge since the beginning of April.

Expectations are modest, with a small fall in earnings predicted -- and with a current price of 920p, the shares are on a relatively lofty price-to-earnings (P/E) ratio of around 25. But forecasts for the following two years suggest rises in earnings, and the current valuation of the shares is surely based on expectations for longer term gains in property prices.

Thursday will bring us a first-quarter statement from Aviva (LSE:AV) (OTC:AVVIY), a constituent of the Fool's Beginners' Portfolio. The insurance firm's dividend was famously slashed for the year to December 2012, from unsustainable yields of more than 8%, and that led to a big dip in the share price.

But even after the fall, analysts are still forecasting a dividend yield for the year to December 2013 of around 4.5%, based on the current share price of 325 pence. And that's not bad, especially as it should be well covered.

And after recent falls, the shares are on a forward P/E of under 8. Does that sound like a bargain to you? Hopefully we'll have more insight next week.

It's no secret that mining shares have been suffering this year, and Antofagasta (LSE: ANTO) has had a particularly tough time -- since 2 January, the share price has slumped by a third to today's 940 pence, although it has blipped up a bit over the past week or so.

We had an update from the copper miner on 1 May, telling us that production of the metal was up nearly 13% to 183,000 tonnes during the first quarter, and we'll get full figures for the period next Thursday.

Forecasts are currently suggesting a fall in earnings of about 15% to 75 pence per share, valuing the shares at 12.4 times earnings, and there should be a dividend yield of around 3%. That may not look a screaming bargain right now, but metal prices are depressed at the moment, and a return to worldwide economic growth can't be too far ahead -- can it?

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.