Dividend-paying companies such as Agrium and Power of Canada can help grow your portfolio income through their sizeable dividend payouts. Great dividend payers create a safe bet to increase investors’ portfolio value as payouts provide steady income and cushion against market risks Dividends play a key role in compounding returns over time and can form a large part of our portfolio return. Here are other similar dividend stocks that could be valuable additions to your current holdings.

Agrium Inc. (TSX:AGU)

Agrium Inc. produces, markets, and distributes crop nutrients, crop protection products, seeds, and merchandise products primarily in the United States, Canada, Australia, and South America. Established in 1931, and headed by CEO Charles Magro, the company employs 15,200 people and with the market cap of CAD CA$19.13B, it falls under the large-cap group.

AGU has a good dividend yield of 3.21% and pays 87.50% of it’s earnings as dividends . Over the past 10 years, AGU has increased its dividends from $0.11 to $3.5. The company has been a dependable payer too, not missing a payment in this 10 year period. Analysts are optimistic about AGU’s near future, with expectations of an impressive triple digit earnings growth over the next three years.

Power Corporation of Canada (TSX:POW)

Power Corporation of Canada operates as a diversified international management and holding company with interests primarily in the financial services, communications, and other business sectors in Canada, the United States, and Europe. Established in 1925, and now led by CEO Paul Desmarais, the company now has 30,259 employees and with the market cap of CAD CA$15.31B, it falls under the large-cap category.

POW has an alluring dividend yield of 4.35% and distributes 41.83% of its earnings to shareholders as dividends , and analysts are expecting the payout ratio in three years to hit 44.47%. Over the past 10 years, POW has increased its dividends from $0.965 to $1.434. It should comfort existing and potential future shareholders to know that POW hasn’t missed a payment during this time. Power of Canada’s earnings growth over the past 12 months has exceeded the CA Insurance industry, with the company reporting an EPS growth of % while the industry totaled 0.20848%.

A&W Revenue Royalties Income Fund (TSX:AW.UN)

A&W Revenue Royalties Income Fund, a limited purpose trust, holds investment in A&W Trade Marks, Inc., which through its ownership interest in A&W Trade Marks Limited Partnership owns the A&W trade-marks used in the A&W quick service restaurant business in Canada. A&W Revenue Royalties Income Fund was started in 2001 and with the company’s market capitalisation at CAD CA$428.91M, we can put it in the small-cap category.