Following are the entities with the highest assessments on the new 2012 Grand List, which goes into effect in July.

R.D. Scinto Inc.

$238,973,300

Pitney Bowes Inc.

$52,019,100

United Illuminating Co.

$48,264,270

Aquarion Water Co.

$37,020,740

Health Net of Calif. Real Estate Holdings

$33,303,990

Blakeman Construction LLC

$25,690,050

RA710 Bridgeport Ave. LLC

$18,473,850

AvalonBay Communities Inc.

$17,773,060

Shelton Square Limited Partnership

$16,756,050

Bic Consumer Products Manufacturing

$15,438,690