Quest Diagnostics (DGX -0.86%) has diagnosed that its shareholders deserve another payout. The company declared a quarterly dividend of $0.30 per share of its stock, to be dispensed on July 17 to shareholders of record as of July 2. This amount matches each of Quest Diagnostics' preceding two quarterly payouts, the most recent of which was distributed in April. Prior to that, the firm handed out $0.17 per share.

The company is a reliable dividend payer. Since early 2004, its quarterly distribution has ranged from $0.09 per share to the current level.

The just-declared dividend annualizes to $1.20 per share. That yields 1.9% at Quest Diagnostics' current stock price of $61.56.